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Wyświetlanie 1-100 z 453
Tytuł:
Notes on species of Lecanora (lichenized Ascomycotina) from the Antarctic
Autorzy:
Śliwa, Lucyna
Olech, Maria
Powiązania:
https://bibliotekanauki.pl/articles/2052119.pdf
Data publikacji:
2002
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctic
Lecanora
taxonomy
distribution
Źródło:
Polish Polar Research; 2002, 23, 2; 117-133
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cluster Analysis – Symbolic vs. Classical Data
Analiza skupień – dane symboliczne a dane klasyczne
Autorzy:
Wilk, Justyna
Pełka, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/904587.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
cluster analysis
symbolic data analysis
classification
numerical taxonomy
symbolic taxonomy
Opis:
Clustering problem is addressed in many contexts and disciplines. Although there are numerous studies on cluster analysis, there is a lack of a review to complete and systematize knowledge of research approach depending on data form. The paper presents a concept of clustering, classifications of cluster analysis methods, comparison of numerical and symbolic taxonomy, specificity of symbolic data as regards classical data, methods of numerical and symbolic data analysis applicable in clustering procedure.
Celem artykułu jest usystematyzowanie wiedzy na temat analizy skupień w zależności od rodzaju danych empirycznych opisujących problem badawczy. W artykule zaprezentowano cele analizy skupień, dokonano klasyfikacji metod analizy skupień, porównano metody taksonomii numerycznej i symbolicznej. Omówiono także specyfikę danych symbolicznych w odniesieniu do danych w ujęciu klasycznym oraz ich źródła w badaniach ekonomicznych. Wskazano metody statystyczne, jakie mają zastosowanie w analizie danych klasycznych i symbolicznych na każdym etapie procedury klasyfikacji.
Źródło:
Acta Universitatis Lodziensis. Folia Oeconomica; 2013, 286
0208-6018
2353-7663
Pojawia się w:
Acta Universitatis Lodziensis. Folia Oeconomica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A new subspecies of Bulbophyllum (Orchidaceae, Bulbophyllinae) from The Society Islands
Autorzy:
Margonska, H.B.
Powiązania:
https://bibliotekanauki.pl/articles/58533.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
new subspecies
Bulbophyllum tahitense
Orchidaceae
Bulbophyllinae
Society Islands
taxonomy
plant taxonomy
French Polynesia
Opis:
A new subspecies of the Bulbophyllum tahitense (Orchidaceae), from The Society Islands (French Polynesia) is proposed. A new subspecies is described and illustrated. Keys to taxa of Society Islands genus Bulbophyllum, is added.
Źródło:
Acta Societatis Botanicorum Poloniae; 2012, 81, 1
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rozvoj psychomotorickej zložky asobnosti žiaka vo vyučovani technických predmetov prostredníctvem taxonómie pimkat
Autorzy:
Bajtoš, Ján
Powiązania:
https://bibliotekanauki.pl/articles/2140987.pdf
Data publikacji:
2011
Wydawca:
Instytut Studiów Międzynarodowych i Edukacji Humanum
Tematy:
psychomotorics skills
valuation of psychomotorics skills
technical education
taxonomy
taxonomy psychomotorics aims PIMKAT
Opis:
The functions objects bearing for the development of psychomotor crafts is teaching children and young people feel tasks and problems in association with high industrialized society, create their relationship to technic how part professional education. Contribution oneself dealt formation psychomotor crafts pupil from the view modern access in pedagogic at the same time introduce planning taxonomy PIMKAT. Research confirmed substantiality proposition taxonomy psychomotor aim PIMKAT and its efficiency in school praxis.
Źródło:
Humanum. Międzynarodowe Studia Społeczno-Humanistyczne; 2011, 2(7); 95-105
1898-8431
Pojawia się w:
Humanum. Międzynarodowe Studia Społeczno-Humanistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electrophoretic seed globulin patterns and species relationships in Vicia section Faba [Fabaceae]
Autorzy:
Zimniak-Przybylska, Z
Przybylska, J.
Powiązania:
https://bibliotekanauki.pl/articles/2047727.pdf
Data publikacji:
1995
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Vicia faba
globulin
elektrophoresis
taxonomy
Opis:
This work presents electrophoretic seed globulin data obtained for 173 accessions representing nine Vicia species of the section Faba, which were already investigated for electrophoretic seed albumin patterns (PRZYBYLSKA, ZIMNIAK-PRZYBYLSKA, in press). Electrophoretic analysis of seed globulins was performed using sodium dodecyl sulphate - polyacrylamide gel electrophoresis (SDS-PAGE). In the examined material totally 38 well-defined polypeptide bands, in the relative molecular mass range of 19-61 kDa, were distinguished. The presence/absence of particular bands was recorded for each analysed individual. The electrophoretic data were used for hierarchical grouping of the examined taxa, based on calculated Bhattacharyya distances. V. bithynica proved to be the most distinctive member of Vicia section Faba. In turn, V. faba was clearly different from species of the V. narbonensis complex. Taxa of this complex formed two clusters: one consisting of V. narbonensis varieties and another - of the remaining species. In the latter group, V. serratifolia appeared to be rather distantly related to V. eristalioides, V. galilaea, V. hyaeniscyamus, V. Johannis and V. kalakhensis. The obtained results are compared with the corresponding seed albumin data and discussed with reference to taxonomie relationships in Vicia section Faba.
Źródło:
Journal of Applied Genetics; 1995, 36, 4; 299-312
1234-1983
Pojawia się w:
Journal of Applied Genetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The hepatics of King George Island, South Shetland Islands, Antarctica, with particular reference to the Admiralty Bay region
Autorzy:
Ochyra, Ryszard
Váňa, Jiři
Powiązania:
https://bibliotekanauki.pl/articles/2053143.pdf
Data publikacji:
1989
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctica
bryology
Hepaticae
taxonomy
distribution
Źródło:
Polish Polar Research; 1989, 10, 2; 183-210
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przegląd systematyki rodzaju Populus L.
A review of systematics of Populus L.
Autorzy:
Korbik, Mateusz
Powiązania:
https://bibliotekanauki.pl/articles/1196159.pdf
Data publikacji:
2021-04-27
Wydawca:
Polskie Towarzystwo Dendrologiczne
Tematy:
poplar
cottonwood
aspen
taxonomy
Opis:
Populus is a genus that contains numerous taxa that are often difficult to identify. They are grouped into six sections which are mainly based on the differences in the structure of flowers and leaves. Nevertheless, other features are also of great importance in identifying individual sections. In this paper, individual sections are characterized. Two subsections within the Populus section (syn. Leuce Duby) are distinguished, due to the clear differences between white poplars and aspens. The sections are as follows: sect. 1. Abaso Eckenw. (mexican poplar), sect. 2. Turanga Bunge (arid and tropical poplars), sect. 3. Leucoides Spach (bigleaf poplars), sect. 4. Aigeiros Duby (cottonwoods and black poplar), sect. 5. Tacamahaca Spach (balsam poplars), sect. 6. Populus, with two subsections: 6a. Populus (white poplars) and 6b. Trepidae (Dode) Tamm (aspens).
Źródło:
Rocznik Polskiego Towarzystwa Dendrologicznego; 2020, 68; 77-90
2080-4164
2300-8326
Pojawia się w:
Rocznik Polskiego Towarzystwa Dendrologicznego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
RAPD markers and black pine [Pinus nigra Arnold] intraspecies taxonomy - evidence from the study of nine populations
Autorzy:
Liber, Z
Nikolic, T.
Mitic, B.
Satovic, Z.
Powiązania:
https://bibliotekanauki.pl/articles/59270.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
classification
Mediterranean Basin
botany
taxonomy
distribution
black pine
population
intraspecies taxonomy
Pinus nigra
Opis:
Although intraspecies researches within the black pine (Pinus nigra Arnold) have a long tradition, the intraspecies taxonomy, classification and chorology are still unclear. Among the numerous reasons that have caused this situation the most important are: the absence of a study that would completely cover the whole range of this species, the impossibility of connection of results of the existing detailed studies of certain areas, and the high variability of traits which have been used so far. Since the characteristics of the molecular systematic techniques could make possible the research free of the mentioned shortages, the intention of this study was to determine the relationships among nine populations of black pine using the random amplified polymorphic DNA (RAPD). The obtained results were compared to the recent results of the morphological and anatomical analysis of the leaves of the same populations. The RAPD results clearly divided the Croatian populations from populations of Austria (subsp. nigra) and Turkey (subsp. pallasiana), while among Croatian populations, as in previous study, the existence of several groups (subsp. illyrica, subsp. dalmatica and transitional population between them) was noticed. It is assumed that the optimisations conducted in this study will finally make possible estimating the relationships on the level of the whole range of the black pine and the classification based on molecular traits that are probably less dependent on environmental influences than it has been the case with the characteristics mostly used so far.
Źródło:
Acta Societatis Botanicorum Poloniae; 2003, 72, 3
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
BRINGING THE KNOWLEDGE COMPONENTS OF PHYSICAL ACTIVITY EDUCATION (INCLUDING SPORT) TO THE PRACTICING PHYSICAL ACTIVITY EDUCATOR
Autorzy:
Zeigler, Earle F.
Powiązania:
https://bibliotekanauki.pl/articles/449208.pdf
Data publikacji:
2013
Wydawca:
Politechnika Opolska. Wydział Wychowania Fizycznego i Fizjoterapii
Tematy:
field
discipline
profession
principle
taxonomy
generalization
Opis:
The field of physical (activity) and health education, or whatever it is called in any one of the world’s countries, has undergone a “determined” but often “confused” development in the 20th century. After Sputnik went up in 1957, the field sought help from a variety of disciplines (e.g., kinesiology) and professions (e.g., management) in an attempt to truly define itself. Building on what Arthur Steinhaus (George Williams College) stated were its four “principal principles” in the early 1950s, the author asserts that some 14 “principal principles” of the field can now be affirmed. Searching for consensus, a proposed taxonomy for “developmental physical activity in exercise, sport, and physical recreation” is offered here for consideration as the field moves along in the 21st century. The author argues that the field also needs to make available to the professional practitioner a computerized inventory of generalizations that represents a distillation of the field’s scientific and scholarly literature.
Źródło:
Journal of Physical Education & Health - Social Perspective; 2013, 2, 4; 5-18
2084-7971
Pojawia się w:
Journal of Physical Education & Health - Social Perspective
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Re-discovery of Lieberkuehnia wageneri Claparède et Lachmann, 1859 (Rhizaria, Foraminifera): Taxonomical and Morphological Studies Based on a Slovak Population
Autorzy:
MRVA, Martin
Powiązania:
https://bibliotekanauki.pl/articles/763670.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Alpha taxonomy, Foraminifera, nomenclature, moss, amoebae
Opis:
Lieberkuehnia wageneri Claparède et Lachmann, 1859, a poorly known freshwater foraminiferan, was re-discovered after 38 years in a moss sample from an oak-hornbeam forest in Malé Karpaty Mts. (Western Slovakia). The species was taxonomically revised, re-described using light microscopical observations, and its occurrence and ecology were reviewed. Its locomotive form is typical with membranous and flexible ovoid test having a single terminal aperture from which a broad pseudopodial network emerges on a pseudopodial peduncle. Additional data and details are described, illustrated and discussed. Lieberkuehnia wageneri is known from various freshwater, soil and marine habitats in Western and Middle Europe, suggesting a high ecological tolerance and wide distribution. It is hoped that the observations reported in this paper will aid the identification of this species based on the locomotive morphology at the light microscopical level.
Źródło:
Acta Protozoologica; 2009, 48, 2
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Thecamoeba aesculea n. sp. (Amoebozoa, Thecamoebidae), a Terrestrial Amoeba with Affinities to Th. sphaeronucleolus (Greeff, 1891)
Autorzy:
KUDRYAVTSEV, Alexander
HAUSMANN, Klaus
Powiązania:
https://bibliotekanauki.pl/articles/763696.pdf
Data publikacji:
2009
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Amoebae, morphology, morphospecies, taxonomy, Thecamoeba, ultras
Opis:
Thecamoeba aesculea n. sp. was isolated and described from the surface of the bark of Aesculus hippocastanum and from terrestrial mosses growing on it. This amoeba is superficially similar to Thecamoeba sphaeronucleolus, but comparison of the newly isolated strain with the photographs and video records of the type strain of this species reveals differences which show that the two strains do not belong to the same morphospecies. The data obtained indicate the necessity of further comparative studies on the diversity of thecamoebian ‘morphospecies’ to outline clearer borders between them.
Źródło:
Acta Protozoologica; 2009, 48, 2
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Redescription of Strombidium coronatum (Leegaard, 1915) Kahl, 1932 (Ciliophora, Spirotricha) based on live observation, protargol impregnation, and scanning electron microscopy
Autorzy:
Agatha, Sabine
Powiązania:
https://bibliotekanauki.pl/articles/763730.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Marine waters, morphology, Oligotrichida, stomatogenesis, taxonomy
Opis:
The oligotrichid ciliate Strombidium coronatum (Leegaard, 1915) Kahl, 1932 is redescribed from plankton samples taken in the Irish Sea, using live observation, protargol impregnation, and scanning electron microscopy. The species is characterized by a conspicuous, uniquelly shaped peristome, which is flat and roughly triangular and extends in the sagittal plane. The Irish Sea specimens measure ~ 45 × 25 µm in vivo and ~ 40 × 24 µm after protargol impregnation. The girdle kinety is equatorial, ostensibly continuous, and composed of ~ 100 dikinetids. The ventral kinety extends longitudinally on the posterior fifth of the cell and is composed of about five dikinetids. The adoral zone of membranelles is widely open and composed of ~ 18 collar and ~ 12 buccal membranelles; the collar portion is disconnected from the buccal portion. The shape and orientation of the opisthe’s adoral zone of membranelles are apparently extraordinary, i.e., the membranelles form an inverted L-shaped stripe extending longitudinally in the elongated posterior cell portion of dividers.
Źródło:
Acta Protozoologica; 2014, 53, 4
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Scale Structure of Cochliopodium actinophorum (Auerbach, 1856) (Amoebozoa, Cochliopodiidae) and a New Diagnosis of this Species
Autorzy:
Kudryavtsev, Alexander
Powiązania:
https://bibliotekanauki.pl/articles/763732.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Amoebozoa, Cochliopodium, morphology, scales, taxonomy, ultrastructure
Opis:
Cochliopodium actinophorum (Auerbach, 1856) is one of the oldest and most frequently mentioned species of the genus, yet the structure of scales comprising tectum of these amoebae has never been described, and the strain previously used to re-define this species based on light microscopic characters was lost. A new strain identified as C. actinophorum using light microscopy was isolated recently, and molecular sequence data of this strain were published, yet without any morphological data. Here, the results of light and electron microscopic study of this strain are presented that confirm its identification as C. actinophorum and allow a proposal of a new diagnosis of this species thus linking morphology, scale ultrastructure and available gene sequence data. The newly isolated strain deposited with CCAP (accession number 1537/10) is designated as a neotype.
Źródło:
Acta Protozoologica; 2014, 53, 4
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Earliest Triassic (Induan) megaspores from Moscow Syneclise, Russia : taxonomy and stratigraphy
Autorzy:
Karasev, E.
Turnau, E.
Powiązania:
https://bibliotekanauki.pl/articles/191706.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
megaspores
taxonomy
palynostratigraphy
Triassic
Induan
Russia
Opis:
This study describes the megaspore assemblages from the Ryabinsk Member of the Vokhma Formation of the Moscow Syneclise. The genus Otynisporites is emended, three new species, Maexisporites meditectatus, M. rugulaeferus and Otynisporites maculosus, are erected, and one new combination, Maexisporites grosstriletus, is proposed. Megaspore descriptions relate the gross morphology and fine structure of the exine surface of thirteen taxa. From the appearance of the exine surface and ornamentation processes, it appears that some forms currently included in certain genera according to their morphological features do not belong to them. The assemblage from Sholga is evidently of low diversity at the generic level, possibly reflecting the end-Permian biotic crisis. The composition of the megaspore assemblages indicates their Induan age.megaspores taxonomy palynostratigraphy Triassic Induan Russia
Źródło:
Annales Societatis Geologorum Poloniae; 2015, 85, 1; 271-284
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mesozoic gastropods from Siberia and Timan ( Russia ). Part 1: Vetigastropoda and Caenogastropoda (exclusive of Neogastropoda)
Autorzy:
Kaim, Andrzej
Beisel, Alexander L.
Kurushin, Nikolai I.
Powiązania:
https://bibliotekanauki.pl/articles/2052047.pdf
Data publikacji:
2004
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Siberia
Timan
Mesozoic
paleontology (gastropods)
taxonomy
Źródło:
Polish Polar Research; 2004, 25, 3-4; 241-266
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The discovery of the South Georgian endemic species Schistidium urnulaceum (C. Muell.) B. G. Bell (Musci: Grimmiaceae) in the Antarctic
Autorzy:
Ochyra, Ryszard
Powiązania:
https://bibliotekanauki.pl/articles/2052903.pdf
Data publikacji:
1990
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
South Georgia
Antarctica
bryology
taxonomy
Schistidium
Źródło:
Polish Polar Research; 1990, 11, 1-2; 133-146
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
First record of the bivalve species Parvamussium fenestratum (Forbes, 1844) from the Middle Miocene of the Paratethys
Autorzy:
Studencka, B.
Prysyazhnyuk, V. A.
Ljul’eva, S. A.
Powiązania:
https://bibliotekanauki.pl/articles/2059411.pdf
Data publikacji:
2012
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Bivalvia
Pectinoidea
taxonomy
palaeobiogeography
Badenian
Paratethys
Opis:
This is the first Paratethyan record of a minute scallop species Parvamussium fenestratum (Forbes, 1844). The species was found in Middle Miocene (Upper Badenian) clayey deposits in the Surzha borehole, the Ukrainian Carpathian Foredeep Basin. Examination of other Parvamussium specimens stored in the Museum of the Earth in Warsaw and in the Hungarian Natural History Museum in Budapest revealed further Paratethyan records of Parvamussium fenestratum. These specimens, previously referred to Parvamussium felsineum (Foresti, 1893), were identified in the Middle Miocene faunas of Poland (Monastyrz and Długi Goraj, Roztocze Hills) and Hungary (Makkoshotyka, Tokaj Mts.). In the Mediterranean Neogene this extremely rare species has been reported from the Lower Miocene (uppermost Burdigalian) of Italy and from the Lower Pliocene (Zanclean) of Spain. Research on the Oligocene-Miocene succession in the Paratethys has shown representatives of Parvamussium Sacco, 1897 to be moderately abundant in clayey facies in different basins and the genus is regarded as biostratigraphically important. Data on the distribution of other Paratethyan and Neogene Mediterranean Parvamussium species viz., Parvamussium bronni (Mayer, 1861), P. duodecimlamellatum (Bronn, 1831), P. felsineum (Foresti, 1893) and P. miopliocenicum (Ruggieri, 1949) are reported. Finally, palaeobiological and palaeobiogeographical characteristics on the genus Parvamussium Sacco, 1897 the Early Cretaceous to Recent time span are described.
Źródło:
Geological Quarterly; 2012, 56, 3; 513--528
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The history of bears (Ursidae, Carnivora, Mammalia) from Silesia (southern Poland) and the neighbouring areas
Autorzy:
Marciszak, Adrian Przemysław
Lipecki, Grzegorz
Powiązania:
https://bibliotekanauki.pl/articles/2060135.pdf
Data publikacji:
2020
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
taxonomy
Miocene
Pliocene
Pleistocene
ursid lineages
Opis:
Revision of the Silesian bear fauna, based on material from 152 sites, mainly cave and karstic localities, and also archaeological and open-air sites, shows the presence of 13 forms and species. These records encompass the last 16.5 Ma and may be divided into five main morphophyletic groups. The oldest bears, represented by the genera Ballusia and Ursavus, are dated to 16.5-11 Ma, and belonged to the stem forms of the subfamily Ursinae. After a break of 6 My, the earliest members of the genus Ursus appeared, and all known Pliocene bears in Silesia belong to the genus Ursus were identified as Ursus minimus. They represent one or two migration events. Additionally, between 3.6 and 3.2 Ma, a single occurence of Agriotherium insigne was recorded from the Węże 1 site. A few Early Pleistocene bear records are represented by U. etruscus, which was a probable ancestor of both arctoid and spelaeoid bear lineages. The oldest representative of Ursus ex gr. arctos known so far and assigned to U. a. suessenbornensis is known from one latest Early Pleistocene (1.2-0.9 Ma) locality, while other Polish records of this form require confirmation. The first occurrence of U. deningeri, the oldest taxon within the U. ex gr. deningeri-spelaeus lineage, was recorded from ~700 ka deposits in Silesia. During the pronounced cold period of MIS 12, the Scandinavian ice sheet covered almost the entire modern territory of Poland, with the exception of the Sudetes and the Carpathians. The accompanying drastic faunal turnover led to the formation of the pan-Eurasian Mammoth Fauna at ~460 ka. At that time a characteristic member of this fauna, the steppe brown bear Ursus arctos priscus, a specific ecomorph adapted to live in open grasslands, appeared in this region. It survived until the beginning of MIS 1, when modern Ursus arctos arctos appeared in Silesia and survived to the present day. U. deningeri was the most common bear during the Middle Pleistocene, while the first records of U. spelaeus spelaeus appeared since MIS 7. The latter form was replaced by U. ingressus during the Late Pleistocene (~110-100 ka). Spelaeoid bears totally dominated the cave assemblage, and finally vanished between 27 and 24 ka.
Źródło:
Geological Quarterly; 2020, 64, 4; 876-897
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of social and economic conditions of microenterprises based on taxonomy methods
Autorzy:
Ptak-Chmielewska, Aneta
Chłoń-Domińczak, Agnieszka
Powiązania:
https://bibliotekanauki.pl/articles/19908216.pdf
Data publikacji:
2023-09-08
Wydawca:
Główny Urząd Statystyczny
Tematy:
microenterprises
taxonomy methods
COVID-19
Opis:
The situation of microenterprises on the market is difficult as they are faced with barriers and competitiveness imposed by larger units. We used data from the REGIOGMINA project to assess the situation of microenterprises. The REGIOGMINA project was implemented by a consortium of Kujawsko–Pomorskie Voivodship, the SGH Warsaw School of Economics and the Nicolaus Copernicus University in Toruń in the scope of the GOSPOSTRATEG initiative. This data set was complemented by data provided by the Local Data Bank of Statistics Poland. The analysis describes the situation in Kujawsko-Pomorskie Voivodship. The information from both sources illustrates the situation of microenterprises at a local level (gmina) in the years 2019–2020. A cluster analysis based on taxonomy methods was performed. The aim of the research is to expand the knowledge and contribute to a better understanding of the social and economic problems that microenterprises are confronted with at a local level. The study covers the period before the COVID-19 pandemic and the first year following its outbreak, which makes it possible to assess the effects that the measures taken against the pandemic had on the situation of microenterprises at a local level.
Źródło:
Statistics in Transition new series; 2023, 24, 4; 139-151
1234-7655
Pojawia się w:
Statistics in Transition new series
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pollen morphology of some species of the genus Sansevieria petagna (Asparagaceae)
Autorzy:
Klimko, Małgorzata
Nowińska, Renata
Wilkin, Paul
Wiland-Szymańska, Justyna
Powiązania:
https://bibliotekanauki.pl/articles/952105.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
pollen variability
micromorphology
taxonomy
sem
Opis:
Pollen grains of 15 species of the genus Sansevieria were examined using light and scanning electron microscopy. The pollen grains were single, but dyads were also found. The basic shape of the pollen grains (with chemical treatment) was subprolate, prolate and prolate-spheroidal and the pollen grains were large (> 50 mm). The pollen grains observed in SEM were prolate-spheroidal, subprolate, prolate and perprolate. The aperture occupied nearly the entire distal hemisphere. The surface of non-apertural areas was microreticulate, psilate–perforate, fossulate and verrucate. The surface of the apertural area was psilate-perforate-verrucate, microreticulate-verrucategemmate and psilate-perforate. The tectum was homogeneous, with perforations. Our results suggest that some species cannot be separated based on pollen grain morphology, but only may be categorized into their groups. The present study investigated pollen grain morphology in eleven species for the first time in terms of pollen micromorphology and provided some important new data.
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2017, 59, 2
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Designing Diving Technology. Part I, Decompression Requirements
Autorzy:
Kłos, Ryszard
Powiązania:
https://bibliotekanauki.pl/articles/32876894.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Medycyny i Techniki Hiperbarycznej
Tematy:
underwater work technology
decompression
taxonomy
Opis:
This article is a further one in an unintended series concerning the design of diving technology [1,2,3]. It contains answers to questions raised by readers upon reading previous articles and by users of the systems described therein by way of example. The articles also refer to the discussion held at the annual NATO Working Group meeting on the various types of decompression presented by the Polish side [4,5,6,7]. The previous articles were linked to the acceptance of the results of the project No. DOB-BIO8/О9/О1/2016 carried out under the contract with the NCBiR National Centre for Research and Development entitled “Decompression schedules for MCM/EOD II diving” carried out in 2016-2021. The current article is linked to the new project No. DOB-BIO-12-03-001-2022 implemented under the contract with the NCBiR entitled: “The effects of combat effort and air transport on the safety of combat divers in the execution of underwater combat operations,” scheduled for 2023-2025.
Źródło:
Polish Hyperbaric Research; 2022, 4(81); 7-52
1734-7009
2084-0535
Pojawia się w:
Polish Hyperbaric Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Achene morphology and pericarp anatomy of Anemone, Hepatica, and Pulsatilla (Anemoninae, Ranunculaceae)
Autorzy:
Ghimire, B.
Yum, D.
Kim, J.H.
Jeong, M.J.
Powiązania:
https://bibliotekanauki.pl/articles/2117680.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
achene
Anemoninae
pericarp
Ranunculaceae
taxonomy
Opis:
The achene morphology and pericarp anatomy of 12 taxa representing three genera (Anemone, Hepatica, and Pulsatilla) of the subtribe Anemoninae were investigated using microtome and light microscopy to evaluate the taxonomic implications of achene characters. The achenes of Anemone were elliptical or obovoid and beaked, whereas the achene of Hepatica and Pulsatilla were obovoid and elliptical, respectively. Noticeable variations in both quantitative and qualitative features of achenes were observed among the species of the three genera. One-way analysis of variance indicated that the quantitative achene variables among the species were highly significant (P<0.001). Pearson’s correlation coefficient also showed a significant correlation between different achene variables. The pericarp structure, particularly the number of cell layers and cell forms in the exocarp and endocarp, seems to be very useful for species delimitation in Anemone and Hepatica. The nature of the endotesta could provide substantial proof for sub-generic classification in Anemone. Unweighted paired group analysis showed the utility of achene features for taxonomic groupings of the species within the studied genera. Although the specimen samples represented a limited range of taxa, the achene features and pericarp anatomy provided a reasonable source for the taxonomic treatment of the studied genera within the subtribe.
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2021, 63, 1; 7-19
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Is pain an emotion? Some taxonomic considerations with a comparative review
Czy ból jest uczuciem? Kilka taksonomicznych uwag wraz z porównawczym przeglądem
Autorzy:
Zaborowski, Robert
Powiązania:
https://bibliotekanauki.pl/articles/1398936.pdf
Data publikacji:
2019-06-30
Wydawca:
Polska Akademia Nauk. Instytut Historii Nauki im. Ludwika i Aleksandra Birkenmajerów
Tematy:
pain
emotion
taxonomy of pain
taxonomy of affectivity
ból
uczucie
taksonomia bólu
taksonomia uczuciowości
Opis:
After some remarks regarding the polysemy of pain and emotion, I set forward a criterion for the selection of philosophers which I consider in the main part of the paper. I then present and analyse the views of Plato, Aristotle, the Stoics, Aquinas, Hobbes, Descartes and Spinoza on pain as an emotion. Finally, I focus on the four meanings of pain and conclude that the lexical ambiguity of the concept of pain mirrors the complexity of pain.
Źródło:
Analecta. Studia i Materiały z Dziejów Nauki; 2019, 28, 1; 9-26
1509-0957
Pojawia się w:
Analecta. Studia i Materiały z Dziejów Nauki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
How many kingdoms of life? Eukaryotic phylogeny and philosophy of systematics
Autorzy:
Lamza, Lukasz
Powiązania:
https://bibliotekanauki.pl/articles/690966.pdf
Data publikacji:
2019
Wydawca:
Copernicus Center Press
Tematy:
taxonomy
systematics
philosophy of biology
eukaryotes
Protista
taxonomy;
systematics;
philosophy of biology;
eukaryotes;
protista
Opis:
According to contemporary understanding of the universal tree of life, the traditionally recognized kingdoms of eukaryotic organisms-Protista, Fungi, Animalia and Plantae-are irregularly interspersed in a vast phylogenetic tree. There are numerous groups that in any Linnaean classification advised by phylogenetic relationships (i.e. a Hennigian system) would form sister groups to those kingdoms, therefore requiring us to admit them the same rank. In practice, this would lead to the creation of ca. 25-30 new kingdoms that would now be listed among animals and plants as “major types of life”. This poses problems of an aesthetic and educational nature. There are, broadly speaking, two ways to deal with that issue: a) ignore the aesthetic and educational arguments and propose classification systems that are fully consistent with the Hennigian principles of phylogenetic classification, i.e. are only composed of monophyletic taxa; b) ignore Hennigian principles and bunch small, relatively uncharacteristic groups into paraphyletic taxa, creating systems that are more convenient. In the paper, I present the debate and analyze the pros and cons of both options, briefly commenting on the deeper, third resolution, which would be to abandon classification systems entirely. Recent advances in eukaryotic classification and phylogeny are commented in the light of the philosophical question of the purpose and design principles of biological classification systems.
Źródło:
Zagadnienia Filozoficzne w Nauce; 2019, 66; 203-227
0867-8286
2451-0602
Pojawia się w:
Zagadnienia Filozoficzne w Nauce
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Interpopulational variability of Pinus uncinata Ramond ex DC. in Lam. & DC. (Pinaceae) cone characters
Autorzy:
Marcysiak, K
Powiązania:
https://bibliotekanauki.pl/articles/41589.pdf
Data publikacji:
2004
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
biometric analysis
plant variation
biogeography
plant taxonomy
numerical taxonomy
Pinus uncinata
interpopulational variability
Pinaceae
mountain pine
pine
Opis:
The characteristic of Pinus uncinata on the basis of biometrical analyses of 16 cone features was done. The research was based on 8 samples representing 6 populations, consisting of 50 cones each, collected in the Pyrenees, within the natural range of the species. All the investigated cone features were moderately differentiated, with the variation coefficient ranging from 8 to 30%. The particular populations differ significantly from each other statistically according to several features examined. The samples collected in the same population also vary significantly. The differences between populations, however, do not enable their division into groups, which supports their origination from the same Pleistocene refugia.
Źródło:
Dendrobiology; 2004, 51; 43-51
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Taxonomy Framework for Maritime Cybersecurity: A Demonstration Using the Automatic Identification System
Autorzy:
Kessler, G.C.
Craiger, J.P.
Haass, J.C.
Powiązania:
https://bibliotekanauki.pl/articles/116413.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Tematy:
cybersecurity
maritime cybersecurity
Automatic Identification System (AIS)
taxonomy
taxonomy framework
cyber attack
Maritime Transportation System
risk mitigation
Opis:
The maritime transportation system is increasingly a target of cyber attacks. This paper describes a taxonomy that supports the creation of adversarial cyber models, risk mitigation, and resiliency plans as applied to the maritime industry, using the Automatic Identification System as a specific illustration of the approach. This method has already been applied to the aviation sector; retooling it for a maritime example demonstrates its broad applicability to the transportation sector, in general.
Źródło:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2018, 12, 3; 429-437
2083-6473
2083-6481
Pojawia się w:
TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Remarks on Potamogeton hybrids based on characters of P. x salicifolius Wolfg. from a new locality in Poland
Autorzy:
Zalewska-Galosz, J
Powiązania:
https://bibliotekanauki.pl/articles/58334.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
variability
ecology
new locality
plant taxonomy
Patamogeton
Polska
Potamogeton x salicifolius
hybrid
distribution
taxonomy
phytogeography
Opis:
Information on Potamogeton hybrids, their identification, taxonomy, ecology and distribution has not been sufficiently recognised yet. Based on characters of P. x salicifolius (= P. perfoliatus x P. lucens) from a new locality in Poland - the Gatno lake (the Kaszuby Lakeland in NW Poland) - general comments on Potamogeton hybrids identification are introduced. The description of P. x salicifolius morphology from the Gatno lake are presented. Analysis of quantitative morphological characters of these specimens provided new information on variability of this taxon. The distribution map of P. x salicifolius in Poland, the original draft of P. x salicifolius based on specimens from the Gatno lake and the table with comparison of P. x salicifolius and the characters of parental species are also provided.
Źródło:
Acta Societatis Botanicorum Poloniae; 2003, 72, 3
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New Contribution to the Morphological Taxonomy of Three Marine Cyrtophorid Ciliates from the Yellow Sea, China (Ciliophora: Cyrtophorida)
Autorzy:
Chen, Xiangrui
Powiązania:
https://bibliotekanauki.pl/articles/763571.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Cyrtophorida, Dysteriidae, Lynchellidae, Hartmannulidae, new genus, taxonomy
Opis:
The morphology and infraciliature of three marine cyrtophorid ciliates, Dysteria lanceolata Claparède and Lachmann, 1859, Lynchella nordica Jankowski, 1968 and Chlamydonyx paucidentatus Deroux, 1976, collected from the coastal waters of Qingdao, China, were investigated using live observations and the protargol impregnation method. D. lanceolata was oval in body outline, about 65 × 45 μm in vivo, with a subcaudally positioned podite, six to seven right kineties, two or three frontoventral kineties, and two ventral contractile vacuoles. The improved diagnosis for L. nordica and a key to all known Lynchella species are supplied. The rediscovery of C. paucidentatus enables us to accept its taxonomic identification (e.g., separation from a morphologically similar species Trochilioides recta). The genus Trochilioides Deroux, nov. gen., which was a nomen nudum according to ICZN (1999), is re-established.
Źródło:
Acta Protozoologica; 2011, 50, 2
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ichnotaxonomy as a science
Autorzy:
Rindsberg, A. K.
Powiązania:
https://bibliotekanauki.pl/articles/191834.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
taxonomy
ichnotaxobases
trace fossils
ichnology
standardized classification
Opis:
If ichnotaxonomy is to be scientific, then its results must be repeatable. While some ichnotaxa are identified consistently, others are not, suggesting that ichnotaxonomy is not a mature science. When researchers disagree on the identification of a specimen, it suggests that closer examination is needed: an intermediate stage in the scientific method. But when ichnologists publish different names for the same trace fossils, multiple trials of classification have yielded different results, suggesting a failure of the hypotheses that led to the names. The burgeoning of invertebrate ichnology from the 1960s onward was made possible by demonstrating its utility to the petroleum industry; in part, this was accomplished by simplifying the ichnotaxonomy of common trace fossils to the point where a specialist was not required to make use of them in sedimentology and stratigraphy. The biological aspect of trace fossils, albeit of great interest, was downplayed in favour of a severely geometric approach. Ironically, this has had the effect of obscuring basic relationships of trace fossils and their palaeoenvironments that could be of great use to sedimentologists. Previous researchers have emphasized the value of a uniform approach in ichnotaxonomy. To accomplish this, ichnologists should take inspiration from the taxonomy of body fossils. Making ichnotaxonomy more replicable will take time and effort among investigators. In the long run, this can be accomplished by a holistic approach that includes close observation of trace fossils, standardized procedures of description and diagnosis, reinvestigation of type material, attention to bioprint (morphological traits that reveal the anatomical and ethological characteristics of the tracemakers; Rindsberg and Kopaska-Merkel, 2005), avoidance of taphonomic and human bias, and above all, cooperation.
Źródło:
Annales Societatis Geologorum Poloniae; 2018, 88, 2; 91-110
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Metoda wyboru informacji z dedykowanych zbiorów danych
A method of information selection from dedicated data sets
Autorzy:
Wróbel, M.
Kaczmarek, J.
Powiązania:
https://bibliotekanauki.pl/articles/268839.pdf
Data publikacji:
2012
Wydawca:
Politechnika Gdańska. Wydział Elektrotechniki i Automatyki
Tematy:
wyszukiwanie danych
GQM
taksonomia
data selection
taxonomy
Opis:
Poszukiwanie skutecznych metod wyboru informacji wynika z obserwowanego obecnie nadmiaru danych. W artykule jest opisana metoda GQM (Goal, Question, Metric) wykorzystywana w informatyce między innymi do budowy wielowymiarowej funkcji jakości oprogramowania. Opiera się ona na jawnym zdefiniowaniu celu wyboru danych z uwzględnieniem punktu widzenia użytkownika. W artykule wykazano, że metoda ta może być również wykorzystywana do poszukiwania i wyboru danych z dedykowanych zbiorów informacji dziedzinowych. Metoda pozwala na ograniczenie zbioru danych w ściśle określony sposób z uwzględnieniem cech dziedziny, celu, w jakim dane będą wykorzystywane i konsekwencji wynikających z odrzucenia pozostałych danych. Metoda ta może być również stosowana do wyboru i budowy zorganizowanych w formie taksonomii zbiorów danych opisanych w języku naturalnym. Należy przypuszczać, że skuteczne metody wyboru danych będą w przyszłości powszechnie wykorzystywane w wyszukiwaniu i prezentacji informacji.
Considering the excess of available data, it is necessary to design effective methods of data selection. This paper presents an application of the GQM (Goal, Question, Metric) method in data selection and processing. The GQM method is typically used in software development to define and specify multidimensional software quality functions that assume explicit definition of data selection purpose depending on user or software developer requirements. In this paper, it is shown that the method may also be used to select appropriate data from different dedicated domain data sets. The method enables a user to narrow the set of selected data in a strictly specified manner considering the characteristic of a target domain, the purpose of data selection and consequences of potential data rejection. As shown in the paper, the method may be applied to select data from educational data sets, taxonomy-based literature sets and natural language description of object oriented structures.
Źródło:
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej; 2012, 31; 73-76
1425-5766
2353-1290
Pojawia się w:
Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Diversity of Caudofoveata (Mollusca) Around Iceland and Description of Psilodens Balduri sp. n.
Autorzy:
Mikkelsen, Nina T.
Todt, Christiane
Powiązania:
https://bibliotekanauki.pl/articles/2051155.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Icelandic waters
Aplacophora
Chaetodermomorpha
Psilodens
taxonomy
biogeography
Źródło:
Polish Polar Research; 2014, 2; 279-290
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mesozoic gastropods from Siberia and Timan (Russia). Part 2: Neogastropoda and Heterobranchia
Autorzy:
Kaim, Andrzej
Beisel, Alexander L.
Powiązania:
https://bibliotekanauki.pl/articles/2052039.pdf
Data publikacji:
2005
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Siberia
Timan
Jurassic–Cretaceous
paleontology (gastropods)
taxonomy
Źródło:
Polish Polar Research; 2005, 26, 1; 41-64
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The trace fossil Asthenopodichnium lithuanicum isp. nov. from Late Neogene brown-coal deposits, Lithuania
Autorzy:
Uchman, A.
Gaigalas, A.
Melešyte, M.
Kazakauskas, V.
Powiązania:
https://bibliotekanauki.pl/articles/2059531.pdf
Data publikacji:
2007
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Lithuania
Neogene
ichnology
taxonomy
brown coal
stiffground
Opis:
A new fresh water ichnospecies of Asthenopodichnium Thenius, A. lithuanicum, is distinguished by its pouch-like shape with a J-shaped limb that is distinctly wider than the remaining part of the pouch. It was produced in a stiffground at the top of a mineral-rich brown-coal layer of Neogene age by a suspension feeder forming pouch-like domichnial cavities. Mayfly larvae may perhaps be considered as candidates for its tracemaker. Other arthropods (amphipods, isopods) are also possibilities. The brown-coal layer was exposed during the Neogene by river erosion, was colonized by the tracemaker (locally two colonization events took place) and in the Pliocene covered by distal crevasse and river channel sands.
Źródło:
Geological Quarterly; 2007, 51, 3; 329-336
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cladonia diversa [Cladoniaceae, lichenized Ascomycota] - overlooked lichen in Poland
Autorzy:
Osyczka, P
Powiązania:
https://bibliotekanauki.pl/articles/57346.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Cladonia diversa
taxonomy
lichen
Polska
Cladoniaceae
distribution
Opis:
This is the first report on Cladonia diversa Asperges in Poland. Till the present this species was overlooked and usually included under the name C. coccifera. The study is based on revision of over a thousand of specimens of the genus Cladonia section Cocciferae deposited in Polish herbaria. The morphology, chemistry, habitat requirements and known distribution of the lichen in Poland are discussed. A taxonomical remarks concerning the species are also provided.
Źródło:
Acta Societatis Botanicorum Poloniae; 2009, 78, 3; 215-219
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphological variability of the leaf epidermis in selected taxa of the genus Ficus L. [Moraceae] and its taxonomic implications
Autorzy:
Klimko, M
Truchan, M.
Powiązania:
https://bibliotekanauki.pl/articles/58722.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
morphological variability
leaf
epidermis
Ficus
Moraceae
taxonomy
Opis:
The leaf epidermis of 36 taxa (species, subspecies, varieties and cultivars) of the genus Ficus (subgenera Ficus, Synoecia, Sycomorus, Pharmacosycea and Urostigma) was observed under LM and SEM. Characteristics of the epidermis are of particular taxonomic as well as phylogenetic interest because they differ conspicuously between species. The differences are especially prominent in the size and shape of epidermal cells, the shape of cell walls, peristomatal cuticular rim, the distribution and position of stomata, lithocysts, hydathodes, trichomes, and the types of wax, cuticle and trichomes. Results of this study provided data on new qualitative and quantitative traits of the leaf epidermis in the selected taxa, and confirmed the classification suggested by Berg (1989).
Źródło:
Acta Societatis Botanicorum Poloniae; 2006, 75, 4; 309-324
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Use of scanning electron microscopy for the study of Hoplopleura (Phthiraptera, Anoplura) lice taxonomy
Autorzy:
Kozina, P.
Izdebska, J.N.
Mierzynski, L.
Powiązania:
https://bibliotekanauki.pl/articles/5924.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Parazytologiczne
Tematy:
scanning electron microscopy
Hoplopleura
Phthiraptera
Anoplura
taxonomy
Źródło:
Annals of Parasitology; 2016, 62, Suppl.
0043-5163
Pojawia się w:
Annals of Parasitology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dyrektywa Parlamentu Europejskiego i Rady 2464/2022 w odniesieniu do sprawozdawczości na temat zrównoważonego rozwoju przedsiębiorstw i rozporządzenia Komisji Europejskiej dotyczące „taksonomii” – założenia i cele
European Union Directive 2464/2022 on information on sustainable business and the European Commission’s “taxonomy” regulations – assumptions and objectives
Autorzy:
Kamiński, Ryszard
Powiązania:
https://bibliotekanauki.pl/articles/28409364.pdf
Data publikacji:
2023
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
non-financial reporting
sustainability
taxonomy
greenwashing
Opis:
In December 2022. Parliament and the Council of the European Union adopted the Directive on Corporate Sustainability Reporting EU/2022/2464 . This directive is linked to a number of European Commission regulations enacted between 2019 and 2022, primarily concerning environmental and climate issues. The full implementation of the provisions of these new pieces of legislation into practice, due to their great complexity and voluminosity, appears to be a difficult process and one that requires considerable effort, not only organisational but also financial, from the companies covered. This study aims to present the objectives and goals of Directive EU/2022/2464 and its associated regulations, and to evaluate these legal acts. As a result of these discussion, it has been established that the newly introduced regulatory system for corporate sustainability information meets the current challenges facing the societies and economies of EU member states. The system is extremely complex in terms of the content of its provisions, which makes compliance with the established regulations appear to be a very difficult task. information. It can reduce the risk of investing in questionably sustainable assets or limit unfair competition from surrounding companies. A system of ‘taxonomies’ may also contribute to increasing the transparency of individual markets, which arguably has a positive impact on the cost of preparing investor projects. The introduction of a ‘taxonomy’ into the practice of companies involves an increase in the costs of data collection, processing and disclosure as required by this system. Linked to Directive EU/2022/2464, the ‘taxonomy’ system is one of the key tools for creating a common framework for sustainable investment activities and practices. This system can bring many benefits to investors. Indeed, it can effectively reduce greenwashing by standardising the disclosure of environmental sustainabilit information. It can reduce the risk of investing in questionably sustainable assets or limit unfair competition from surrounding companies. A system of ‘taxonomies’ may also contribute to increasing the transparency of individual markets, which arguably has a positive impact on the cost of preparing investor projects. The introduction of a ‘taxonomy’ into the practice of companies involves an increase in the costs of data collection, processing and disclosure as required by this system.
Źródło:
Studia Prawa Publicznego; 2023, 4 (44); 71-87
2300-3936
Pojawia się w:
Studia Prawa Publicznego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Is the hairy vaginula an diagnostic feature in the taxonomy of the genus Orthotrichum?
Autorzy:
Plasek, V
Sawicki, J.
Powiązania:
https://bibliotekanauki.pl/articles/56720.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
hairy vaginula
diagnostic feature
taxonomy
Orthotrichum
Opis:
The location of stomata and the structural details of exostome teeth and endostome segments are among the most important taxonomic features used for identifying Orthotrichum species. Certain species pairs (e.g. O. stramineum vs. O. pallens; O. pumilum vs. O. stellatum) are distinguished based on the presence or absence of hair on the vaginula. The authors have shown that this feature is not always appropriate for species identification. Some specimens of O. affine, O. anomalum or O. speciosum were found to have a hairy vaginula, although this feature is not included in their description. The confusion with species determination was resolved in a subsequent DNA analysis of the specimens. The reliability of this character is briefly discussed in the paper.
Źródło:
Acta Societatis Botanicorum Poloniae; 2010, 79, 1; 73-80
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bryozoans (trepostomes and fenestellids) in the Zechstein Limestone (Wuchiapingian) of the North Sudetic Basin (SW Poland : palaeoecological implications
Autorzy:
Hara, U.
Słowakiewicz, M.
Raczyński, P.
Powiązania:
https://bibliotekanauki.pl/articles/2060558.pdf
Data publikacji:
2013
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
bryozoans
Late Permian
Zechstein
taxonomy
ecology
Opis:
A recently investigated Zechstein Limestone (Ca1, Wuchiapingian) bryozoan fauna from the Polish part of the Southern Permian Basin (SW Poland) is dominated volumetrically and taxonomically by fenestellids. In total six species from five genera are recognized, comprising two species of trepostomes belonging to Dyscritella Girty, 1911 and four fenestellids attributed to Kingopora Morozova, 1970, Kalvariella Morozova, 1970, Acanthocladia King, 1849 and Spinofenestella Termier and Termier, 1971. The greatest biodiversity of the bryozoans in the Ca1 profiles studied is within the slope facies where large, fan-shaped and funnel-shaped reticulate fenestellid colonies up to 10 cm high dominate. In contrast, bryozoans in the marginal (proximal) parts of the basin mostly comprise trepostomes, represented by encrusting plate-like or coil-shaped colonies of Dyscritella Girty, and commonly broken branched colonies of Acanthocladia King. The changes in the biotic composition of the bryozoans and the presence of a dominant colony growth form in the stratigraphical profile of the Ca1 reflect the depositional environment and water energy. These factors stimulate the successive stages of the development of the biota and their settlement, marked by the rich productid-fenestellid assemblages typical of the offshore setting, with the maximum depth in the middle part of the Ca1 in the Grodziec Syncline. The proximal tempestites and foreshore facies of the upper part of the Ca1 (Leszczyna Syncline) terminate the sedimentary cycle of the Ca1, with the remnant, broken bryozoans of Acanthocladia and fenestellids. The relationship between the taxonomic composition, colony growth-patterns, associated biota, and sedimentary structures points to slow sedimentation rate on slope and basin floor of the Ca1 carbonate platform. The fenestellids which are dominated in the studied biota by the reticulate and pinnate colonies of Spinofenestella, Kingopora, Kalvariella and Acanthocladia mark a close palaeogeographical link with the Zechstein (Ca1) bryozoans of Great Britain, Germany and the southern Baltic region.
Źródło:
Geological Quarterly; 2013, 57, 3; 417--432
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pseudothurmanniid ammonites from quarries near Lietavská Lúčka and their stratigraphical significance (Late Hauterivian, Central Western Carpathians, Slovakia)
Autorzy:
Vašiček, Z.
Malek, O.
Powiązania:
https://bibliotekanauki.pl/articles/2060607.pdf
Data publikacji:
2017
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
ammonites
taxonomy
stratigraphy
Hauterivian
Western Carpathians
Opis:
Pseudothurmanniid ammonites within Upper Hauterivian calcareous deposits are present in quarries on Polomec Hill near the village of Lietavská Lúčka, Slovakia. These deposits belong to the Mráznica Formation of the Krížna Nappe that is a part of the Fatricum Unit in the Central Western Carpathians. Nine ammonite species are described in detail, one of which, Binellicerasmichalíki, is new. The species identified indicate the Upper Hauterivian Balearis and Ohmi ammonite zones. The zone of the uppermost Hauterivian, Catulloi Zone, is not documented as far as pseudothurmanniid ammonites are concerned. The lackof developmentally younger representatives of the pseudothurmanniid ammonites neitherin the studied locali ty, nor in other Slovak locali ties, is explained by marked changes in the northern Tethyan margin in Europe duri ng the latest Hauterivian.
Źródło:
Geological Quarterly; 2017, 61, 3; 613--631
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nannoplankton wapienny z czarnych iłów jurajskich: przykład z Marianowa koło Małogoszcza
Autorzy:
Kędzierski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2061400.pdf
Data publikacji:
2003
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
biostratygrafia
nannoplankton
taksonomia
biostratigraphy
nannofossil
taxonomy
Źródło:
Volumina Jurassica; 2003, 1, 1; 13-18
1896-7876
1731-3708
Pojawia się w:
Volumina Jurassica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
THE APPLICATION OF RELATIVE TAXONOMY METHODS TO THE STUDY OF TECHNICAL INFRASTRUCTURE DEVELOPMENT IN RURAL AREAS ACROSS THE PROVINCES OF POLAND
Autorzy:
Lira, Jarosław
Głowicka-Wołoszyn, Romana
Wołoszyn, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/453063.pdf
Data publikacji:
2014
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
relative taxonomy
technical infrastructure
rural areas
Opis:
The article applies dynamic multi-dimensional methods of relative taxonomy in an attempt to evaluate disparities in development of technical infrastructure in rural areas between the provinces of Poland. The results show that although the indices that describe the level of infrastructure development have been rising between 2004 and 2012, regional inequalities have remained high. Moreover, some of the provinces least developed in 2004 have not taken advantage of the opportunities provided by the EU accession to develop technical infrastructure in rural areas and boost their attractiveness.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2014, 15, 2; 330-338
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A COMPARISON OF THE METHODS OF RELATIVE TAXONOMY FOR THE ASSESSMENT OF INFRASTRUCTURAL DEVELOPMENT OF COUNTIES IN WIELKOPOLSKIE VOIVODESHIP
Autorzy:
Lira, Jarosław
Powiązania:
https://bibliotekanauki.pl/articles/453612.pdf
Data publikacji:
2015
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
relative taxonomy
economic infrastructure
rural areas
Opis:
The study analyses the possibility to measure the scale of disproportion in the development of the synthetic feature between spatial objects over a period of time on the basis of relativised values of diagnostic features. The study also proposes the construction of taxonomically relative indices of development according to the approach based on spatial median and it compares this approach with the classic approach proposed by Wydymus (2013). Both approaches are illustrated with a numerical example referring to the economic infrastructure in rural areas of the counties in Wielkopolskie Voivodeship.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2015, 16, 2; 53-62
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New Records for The Solenogaster Proneomenia Sluiteri (Mollusca) from Icelandic Waters and Description of Proneomenia Custodiens sp. n.
Autorzy:
Todt, Christiane
Kocot, Kevin M.
Powiązania:
https://bibliotekanauki.pl/articles/2051162.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Icelandic waters
Aplacophora
Neomeniomorpha
brooding
taxonomy
Źródło:
Polish Polar Research; 2014, 2; 291-310
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Phenotype diversity of the cyanobacterial genus Leptolyngbya in the maritime Antarctic
Autorzy:
Komárek, Jiří
Powiązania:
https://bibliotekanauki.pl/articles/2051842.pdf
Data publikacji:
2007
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Maritime Antarctica
Cyanobacteria
Leptolyngbya
taxonomy
ecology
Źródło:
Polish Polar Research; 2007, 3; 211-231
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The taxonomic position and geographical distribution of Grimmia andreaeopsis C. Muell.(Grimmiaceae, Musci)
Autorzy:
Ochyra, Ryszard
Afonina, Olga M.
Powiązania:
https://bibliotekanauki.pl/articles/2053309.pdf
Data publikacji:
1986
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
bryology
taxonomy
Grimmiaceae
Schistidium
distribution
Źródło:
Polish Polar Research; 1986, 7, 3; 319-332
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Arthrodendron borberensis sp. nov., a large protist (Foraminifera) from the Pagliaro Formation (Paleocene), Northern Apennines, Italy
Autorzy:
Uchman, A.
Kaminski, M. A.
Rattazzi, B.
Powiązania:
https://bibliotekanauki.pl/articles/2058964.pdf
Data publikacji:
2012
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Italy
Liguria
flysch
micropalaeontology
taxonomy
Arthrodendron
Opis:
Arthrodendron borberensis sp. nov. is described from the Pagliaro Formation (Paleocene) of the Northern Apennines. Specimens of the new species are preserved on the sole of a turbiditic sandstone bed. Arthrodendron borberensis sp. nov. is characterized by its long chambers (some exceeding 10 mm in length), its generally straight course, and rare branching at an acute angle. This large foraminifer lived infaunally within the sediment and possibly as epifauna after exhumation by erosion, prior to the deposition of the host turbiditic sandstone bed. Assemblages of smaller agglutinated foraminifera (a flysch-type fauna) and trace fossils (Nereites ichnofacies) point to a deep-sea environment for the discussed protist
Źródło:
Geological Quarterly; 2012, 56, 1; 215-224
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pollen morphology of Amygdalus L. [Rosaceae] in Iran
Autorzy:
Vafadar, M
Attar, F.
Maroofi, H.
Mirtadzadini, M.
Powiązania:
https://bibliotekanauki.pl/articles/57376.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
pollen morphology
Amygdalus
Rosaceae
taxonomy
Iran
Opis:
Pollen grain of 16 species and three hybrids of the genus Amygdalus L., representing two subgenera and two sections distributed in Iran were examined by light and scanning electron microscopy. All pollen grains are tricolporate. The shape of grains varies from subprolate through prolate. Regarding outline, in polar view, pollen grains are triangular-circular and in equatorial view, elliptic. Regarding sculpturing of exine, the frequent type like many members of family Rosaceae is striate with or without perforations that can be subdivided into three subtypes: type I (A-B), type II (A-B) and type V. In three species, A. trichamygdalus, A. spinosissima and A. orientalis, exine sculpture type is completely different. In the first species is rugulate, in the second species is reticulate and in A. orientalis, it is gemmate-perforate. Ornamentation of ridges (muri) in the striate sculpture is parallel to ectocolpus. Number of perforations in tectum, diameter of them, striae intervals and the thickness of ridges varies among studied taxa. The striae have different depth and slope. Results showed that among pollen grain characters, shape is useful character solely for separating of taxonomic ranks in Iranian Amygdalus specially in subgeneric or section level.
Źródło:
Acta Societatis Botanicorum Poloniae; 2010, 79, 1; 63-71
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Alternative payments – taxonomy, development, and related risks
Autorzy:
Klimontowicz, Monika
Harasim, Janina
Powiązania:
https://bibliotekanauki.pl/articles/485358.pdf
Data publikacji:
2017
Wydawca:
Bankowy Fundusz Gwarancyjny
Tematy:
alternative payments – taxonomy
development
related risks
Opis:
Alternative payment methods become more and more popular among customers. Today, there is over 300 alternative payment schemes and more than 200 alternative payment methods what makes understanding the alternative payments difficult. Today APMs are the initial stage of their development. Despite the growing interest in alternative payment methods and instruments, there is still a lack of commonly accepted definition and precise market data. The purpose of the paper is to identify the alternative payment methods, provide their taxonomy, assess their development and describe associated risks of frauds. The review of APMs classification shows that they use different criteria: objective, subjective or combined. The paper proposes the definition that has changed those paradigms and has focused on payments’ innovativeness and their ability to fulfil customers’ expectations. The lack of homogenous taxonomy makes the assessment of the stage of APMs development difficult, but the paper presents the probe of such assessment based on the data of APMs usage in different regions of the world. The paper also identify frauds and threats related to APM : phishing, goods wheedling, keylogger software, malicious software, partner and DBOD risks. In the final part it discusses the factors influencing APMs further development such as new regulations, developing multichannel platforms and new business models, changes in consumer behaviour and concerns about the security. The results of the study are based on the critical analysis of available, not extensive existing literature regarding alternative financial services (including payments), statistical data of research companies and institutions altogether with consultancy firms’ reports.
Źródło:
Bezpieczny Bank; 2017, 4 (69); 88-108
1429-2939
Pojawia się w:
Bezpieczny Bank
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Using R Packages for Comparison of Cluster Stability
Zastosowanie pakietów programu R do porównania stabilności grupowania
Autorzy:
Rozmus, Dorota
Powiązania:
https://bibliotekanauki.pl/articles/655035.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
grupowanie
taksonomia
stabilność
clustering
taxonomy
stability
Opis:
W ostatnich latach dużo uwagi poświęca się zagadnieniu stabilności metod taksonomicznych, czyli odpowiedzi na pytanie o to, na ile struktura odkryta przez daną metodę rzeczywiście jest obecna w danych. W literaturze zaproponowano wiele różnych sposobów pomiaru stabilności. W ślad za rozważaniami teoretycznymi w tym zakresie idzie także rozwój narzędzi informatycznych pozwalających na praktyczne zastosowanie zaproponowanych sposobów badania stabilności. Wśród tych narzędzi jest także kilka bibliotek w programie R, np. clValid, clv, fpc, ClusterStability, pvclust. Celem artykułu jest porównanie wyników badania stabilności grupowania za pomocą wybranych bibliotek w programie R.
The stability of clustering methods is the issue that has attracted a considerable amount of attention of researchers in recent years. In this respect, the major question that needs to be answered seems to be to what extent the structure discovered by a particular method is actually present in the data. The literature proposes a number of different ways of measuring stability. The theoretical considerations have led to the development of computer tools for the practical implementation of the proposed ways to study stability. The practical tools are available within several R packages, for example, clv, clValid, fpc, ClusterStability, and pvclust. Due to the hypothesis that cluster stability can be the answer to the question about the right number of groups in clustering, the main aim of this article is to compare the results of the studies on clustering stability conducted with three R packages, i.e.: clv, clValid, and fpc.
Źródło:
Acta Universitatis Lodziensis. Folia Oeconomica; 2017, 4, 330
0208-6018
2353-7663
Pojawia się w:
Acta Universitatis Lodziensis. Folia Oeconomica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Psammophaga fuegia sp. nov., a New Monothalamid Foraminifera from the Beagle Channel, South America
Autorzy:
Gschwend, Florian
Majda, Aneta
Majewski, Wojciech
Pawlowski, Jan
Powiązania:
https://bibliotekanauki.pl/articles/763595.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Foraminifera, Monothalamea, taxonomy, molecular phylogeny, eDNA
Opis:
Psammophaga fuegiais a new monothalamid foraminifera discovered in surface sediment samples in the Beagle Channel, South America. The species is a member of the important, globally distributed genus Psammophaga, which has the ability to ingest and store mineral particles inside the cytoplasm. Its shape is ovoid to pyriform, the size varies from 250 to 600 µm in length and from 200 to 400 µm in width. Like other Psammophaga species P. fuegia has a single aperture. It was found in multiple samples across the Beagle Channel area at water depths of 4 to 220 meters and in environments as variable as fjords, the main channel, and the harbour of Puerto Williams (Chile). The occurrences of the new species in environmental DNA and RNA samples correspond well to its distribution inferred from the microscopic study.
Źródło:
Acta Protozoologica; 2016, 55, 2
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Diatoms (Bacillariophyceae) in rivers and streams and on cultivated soils of the Podkarpacie region in the years 2007–2011
Autorzy:
Noga, T.
Kochman, N
Peszek, Ł.
Stanek-Tarkowska, J
Pajączek, A
Powiązania:
https://bibliotekanauki.pl/articles/124456.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
diatoms (Bacillariophyceae)
diversity
taxonomy
Podkarpacie Region
Opis:
Diatoms Bacillariophyceae are a specialized, systematic group of algae, living in different types of ecosystems, and they are very good indicators of water quality. Recently, detailed studies have been carried out in the territory of the Podkarpacie Province on the diversity of diatoms in running waters. The area of study covers mostly the catchment of the biggest rivers of the province (mainly the Wisłok River) and cultivated soils. Running waters in the Podkarpacie Province are characterized by a huge species richness of diatoms, 738 different taxa have been found so far. The highest number of taxa was noted in the Wisłok River (400), while the Żołynianka and Różanka streams and the Mleczka were also characterized by huge diversity (from 200 to over 350 taxa). In the majority of studied sites diatoms of alkaline (pH>7) and nutrient rich (eutrophic) waters dominated: Navicula lanceolata, N. gregaria, N. capitatoradiata, Nitzschia palea, N. dissipata ssp. dissipata, Achnanthidium minutissimum var. minutissimum, A. pyrenaicum, Amphora pediculus, Diatoma vulgaris, Rhoicosphenia abbreviata, Planothidium lanceolatum, Cocconeis pediculus and C. placentula var. lineata. About 150 taxa were indentified on cultivated soils, among which the largest populations were formed by Hantzschia amphioxys, Mayamaea atomus, Nitzschia palea, N. pusilla, Pinnularia obscura and Stauroneis thermicola.
Źródło:
Journal of Ecological Engineering; 2014, 15, 1; 6-25
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Porównanie stabilności taksonomii spektralnej oraz zagregowanych algorytmów taksonomicznych
Comparison of Spectral Clustering and Cluster Ensembles Stability
Autorzy:
Rozmus, Dorota
Powiązania:
https://bibliotekanauki.pl/articles/586844.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Ekonomiczny w Katowicach
Tematy:
Algorytmy
Metody taksonomiczne
Taksonomia
Algorithms
Taxonomic methods
Taxonomy
Opis:
High accuracy of the results is very important task in any grouping problem (clustering). It determines effectiveness of the decisions based on them. Therefore in the literature there are proposed methods and solutions that main aim is to give more accurate results than traditional clustering algorithms (e.g. k-means or hierarchical methods). Examples of such solutions can be cluster ensembles or spectral clustering algorithms. A desirable quality of any clustering algorithm is also stability of the method with respect to small perturbations of data (e.g. data subsampling, small variations in the feature values) or the parameters of the algorithm (e.g. random initialization). Empirical results shown that cluster ensembles are more stable than traditional clustering algorithms. Here, we carry out an experimental study to compare stability of spectral clustering and cluster ensembles.
Źródło:
Studia Ekonomiczne; 2013, 152; 140-152
2083-8611
Pojawia się w:
Studia Ekonomiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ultrastructure of Diplophrys parva, a New Small Freshwater Species, and a Revised Analysis of Labyrinthulea (Heterokonta)
Autorzy:
Anderson, O. Roger
Cavalier-Smith, Thomas
Powiązania:
https://bibliotekanauki.pl/articles/763447.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Diplophryidae, fine structure, molecular genetics, Labyrinthomyxa, labyrinthulean taxonomy
Opis:
We describe Diplophrys parva n. sp., a freshwater heterotroph, using fine structural and sequence evidence. Cells are small (L = 6.5 ± 0.08, W = 5.5 ± 0.06 µm; mean ± SE) enclosed by an envelope/theca of overlapping scales, slightly oval to elongated-oval with rounded ends, (1.0 × 0.5–0.7 µm), one to several intracellular refractive granules (~ 1.0–2.0 µm), smaller hyaline peripheral vacuoles, a nucleus with central nucleolus, tubulo-cristate mitochondria, and a prominent Golgi apparatus with multiple stacked saccules (~ 10). It is smaller than published sizes of Diplophrys archeri (~ 10–20 µm), modestly less than Diplophrys marina (~ 5–9 µm), and differs in scale size and morphology from D. marina. No cysts were observed. We transfer D. marina to a new genus Amphifila as it falls within a mo-lecular phylogenetic clade extremely distant from that including D. parva. Based on morphological and molecular phylogenetic evidence, Labyrinthulea are revised to include six new families, including Diplophryidae for Diplophrys and Amphifilidae containing Amphifila. The other new families have distinctive morphology: Oblongichytriidae and Aplanochytriidae are distinct clades on the rDNA tree, but Sorodiplophryidae and Althorniidae lack sequence data. Aplanochytriidae is in Labyrinthulida; the rest are in Thraustochytrida; Laby-rinthomyxa is excluded.
Źródło:
Acta Protozoologica; 2012, 51, 4
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Morphological and Morphogenetic Redescriptions and SSU rRNA Gene-based Phylogeny of the Poorly-known Species Euplotes amieti Dragesco, 1970 (Ciliophora, Euplotida)
Autorzy:
LIU, Mingjian
FAN, Yangbo
MIAO, Miao
Hu, Xiaozhong
Al-Rasheid, Khaled A. S.
Al-Farraj, Saleh A.
Ma, Honggang
Powiązania:
https://bibliotekanauki.pl/articles/763760.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Euplotidae, fresh water ciliate, ontogenesis, phylogenetic analysis, taxonomy
Opis:
This paper investigates the morphology and morphogenesis during binary fission of a Chinese population of Euplotes amieti Dragesco, 1970, a fresh water form which has previously not been well defined. This organism is morphologically very similar to the well-known Euplotes eurystomus but differs from the latter both in the number of dorsal kineties and the molecular data. According to the information obtained, it is characterized by a combination of features including nine frontoventral cirri, ca. 60 membranelles, 12–15 dorsal kineties, a macronucleus in the shape of the number 3, and a ‘double-eurystomus’ type of silverline system. Its morphogenesis proceeds broadly in the same pattern as in its congeners. In this study, the SSU rRNA gene was sequenced for the first time, and phylogenetic analyses indicated that it is closely related to the eurystomus-aediculatus-woodruffi- complex. Considering the extreme similarities in morphology between E. amieti and E.eurystomus, we believe that the four sequences (four isolates) under the name of Euplotes eurystomus (No. FR873716; FR873717; EF193250; AJ310491 deposited in GenBank) are very likely from misidentified material; that is, they represent different populations of Euplotes amieti.
Źródło:
Acta Protozoologica; 2015, 54, 3
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Two New Species of the Genus Stenamoeba Smirnov, Nassonova, Chao et Cavalier-Smith, 2007
Autorzy:
DYKOVÁ, Iva
KOSTKA, Martin
PECKOVÁ, Hana
Powiązania:
https://bibliotekanauki.pl/articles/763782.pdf
Data publikacji:
2010
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Stenamoeba amazonica, Stenamoeba limacina, new species, taxonomy, phylogeny
Opis:
As a result of light microscopical, ultrastructural and molecular study of three amoeba strains isolated from organs of three freshwater fish hosts, Stenamoeba amazonica sp. n. and S. limacina sp. n. are described as new amoeba species. The mutual comparison of isolated strains has extended the knowledge of morphological diversity within the genus Stenamoeba Smirnov, Nassonova, Chao et Cavalier-Smith, 2007. Molecular data obtained for these strains have complemented the phylogenetic tree that so far has contained only one nominal species within the single-genus Stenamoeba clade.
Źródło:
Acta Protozoologica; 2010, 49, 3
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Usnea jørgenseniana Bystr. & Leśniewska sp. nova Usnea (subgen. Usnea, Parmeliaceae) in Sweden
Autorzy:
Bystrek, Jan
Leśniewska, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/763861.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
Usnea jørgenseniana Bystr. & Leśniewska sp. nova, (Ascolichenes), taxonomy
Opis:
Usnea jørgenseniana Bystr. & Leśniewska sp. nova, an epixilic species of bushy Usnea (Parmeliaceae) in Sweden, is similar to U. hirta var. minutissima (Mer.) Bystr., but the similarity to U. hirta is apparent. U. jørgenseniana is not a species from the foveatae Mot. section. The lack of soralia and a very small thallus (0.3–2.0 cm) makes it difficult to locate U. jørgenseniana in the section Comosae Mot. It colonizes exceptionally unfavorable climatic conditions, a coprophilous species. Collected by G. Ohrstedt in 1937. Dozens of specimens from one position.
Źródło:
Annales Universitatis Mariae Curie-Sklodowska, sectio C – Biologia; 2018, 73, 1
2083-3563
0066-2232
Pojawia się w:
Annales Universitatis Mariae Curie-Sklodowska, sectio C – Biologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Jurassic and Cretaceous primitive crabs of the family Prosopidae (Decapoda: Brachyura) - their taxonomy, ecology and biogeography
Jurajskie i kredowe prymitywne kraby z rodziny Prosopidae (Decapoda: Brachyura) - ich taksonomia, ekologia i biogeografia
Autorzy:
Müller, P.
Krobicki, M.
Wehner, G.
Powiązania:
https://bibliotekanauki.pl/articles/191260.pdf
Data publikacji:
2000
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Decapoda
family Prosopidae
Jurassic
Cretaceous
taxonomy
palaeoecology
palaeobiogeography
Opis:
The Prosopidae is an extinct family, consisting mostly of Mesozoic species. Most probably it accommodates the ancestors of all brachyurans in the large sense. The family appeared in the Late Pliensbachian and disappeared at the Early Palaeocene. Evolution of the Prosopidae, and therefore, brachyuran evolution started on Middle Jurassic, shallow, soft bottom marine environments. The world-wide Callovian transgression made possible the formation of bioherms and reefs in the Late Jurassic, creating ecological niches for the rapidly differentiating prosopids. These crabs migrated rapidly all over Europe in the Oxfordian and began to flourish and massively occupied sponge megafacies from Portugal to Poland. In the Kimmeridgian, the area of known prosopids shrank, which has probably been connected with decreasing of the reef facies. In turn, a Tithonian regression in the per-Tethyan area resulted in changes of habitats and in colonisation of the coral reefs. When reef facies retreated at the Jurassic-Cretaceous boundary, the favourable conditions for crab development also vanished, so the known Cretaceous prosopids are rare and spatially dispersed. In Tertiary, the closely related descendants of them, homolodromiids, inhabited preferably soft muddy bottoms in deeper, colder waters.
Kraby z rodziny Prosopidae, reprezentowane są prawie wyłącznie przez gatunki mezozoiczne. Z filogenetycznego punktu widzenia, są one prawdopodobnie przodkami wszystkich pozostałych gatunków krabów. Przedstawiciele tej rodziny znani są od późnego pliensbachu do wczesnego paleocenu. Ewolucja prosopidów, a poprzez to ewolucja pozostałych krabów, rozpoczęła sią w środkowojurajskich, płytkich środowiskach morskich o miękkim charakterze dna. Ogólnoświatowa transgresja kelowejska stworzyła dogodne warunki do powstania różnorodnych bioherm i raf w późnej jurze, które stanowiły nisze ekologiczne dla szybko różnicujących się dzięki temu krabów z rodziny Prosopidae. Kraby te migrowały gwałtownie na całą Europę w oksfordzie, masowo zasiedlając megafację gąbkową i są obecnie znajdowane w utworach tej facji od Portugalii do Polski. W kimerydzie obszar występowania prosopidów wyraźnie się skurczył, co było prawdopodobnie związane ze stopniowym zanikiem tej facji. Z kolei w tytonie regresja w obszarach perytetydzkich spowodowała zmianę środowiska życia krabów i kolonizację przez nie raf koralowych. Dogodne warunki dla rozwoju tych krabów gwałtownie się pogorszyły blisko granicy jury i kredy (zanikanie facji rafowych) skutkiem czego kredowe prosopidy są rzadkie i geograficznie rozproszone. W trzeciorzędzie najbliżsi potomkowie rodziny Prosopidae - kopalni przedstawiciele rodziny Homolodromiidae - zasiedlili środowiska miękkich den głębszych i zimniejszych mórz.
Źródło:
Annales Societatis Geologorum Poloniae; 2000, 70, 1; 49-79
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The use of quantitative characters in determination of frequently misdiagnosed species within Lepidium L. sect. Dileptium [Brassicaceae]
Autorzy:
Wasowicz, P
Rostanski, A.
Powiązania:
https://bibliotekanauki.pl/articles/57033.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
taxonomy
Dileptium
Lepidium
morphometry
determination
Brassicaceae
cluster analysis
Opis:
A morphometric study of the three species of Lepidium L. sect. Dileptium DC. is presented. Multivariate methods (cluster analysis and canonical discriminant analysis) were employed to investigate phenetic relations between examined individuals. As a result a set of quantitative characters useful in species determination was proposed and discussed.
Źródło:
Acta Societatis Botanicorum Poloniae; 2009, 78, 3; 221-227
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wykorzystanie podobieństwa struktur organizacyjnych w procesie przekształcania organizacji przedsiębiorstw
The utilization of organizations structure similarity in a process of company organization transformation process
Autorzy:
Miśkiewicz, Radosław
Powiązania:
https://bibliotekanauki.pl/articles/415242.pdf
Data publikacji:
2009
Wydawca:
Małopolska Wyższa Szkoła Ekonomiczna w Tarnowie
Tematy:
fuzje
przejęcia
organizacja
taksonomia
merges
acquisition
taxonomy
organization
Opis:
Do problemu fuzji i akwizycji podchodzi się na ogół od strony ekonomicznej tych przedsięwzięć. Część połączeń jednak nie osiąga sukcesu z powodu nie przystawania struktur organizacyjnych łączonych przedsiębiorstw. Autor próbuje zaproponować ilościowe podejście do problemu traktując strukturę organizacyjną jako funkcję jej wymiarów. Prezentując poszczególne wymiary organizacji, dochodzi do wniosku, że istnieje możliwość sumowania wyników. Opracowana w ten sposób miara może stanowić narzędzie pomocnicze przy podejmowaniu decyzji integracyjnych łączonych jednostek.
The problem of merges & acquisition seems to be approached generally from economic side of those undertakings. However, some of those undertakings are not successful because of differences between their organizational structures. The author tries to suggest a quantitative approach to that problem, treating an organization’s structure as a function of it’s dimensions. While presenting separate dimensions of an organization he comes to the conclusion that there is a possibility to summarize the results. The measure developed in that way may become a supplementary tool while making integral decisions by entities being merged or acquired.
Źródło:
Zeszyty Naukowe Małopolskiej Wyższej Szkoły Ekonomicznej w Tarnowie; 2009, 1(12); 77-87
1506-2635
Pojawia się w:
Zeszyty Naukowe Małopolskiej Wyższej Szkoły Ekonomicznej w Tarnowie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Two new Bacidia (Ramalinaceae, lichenized Ascomycota) from Antarctica
Autorzy:
Olech, Maria
Czarnota, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/2051643.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctica
lichenized fungi
lichens
Ascomycota
taxonomy
new species
Źródło:
Polish Polar Research; 2009, 30, 4; 339-346
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Eocene penguins of Seymour Island, Antarctica: Taxonomy
Autorzy:
Jadwiszczak, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/2051916.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctica
La Meseta Formation (Eocene)
paleontology (penguins)
taxonomy
Źródło:
Polish Polar Research; 2006, 27, 1; 3-62
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Coleorrhyncha (Insecta: Hemiptera) of the European Jurassic, with a description of a new genus from the Toarcian of Luxembourg
Autorzy:
Szwedo, J.
Powiązania:
https://bibliotekanauki.pl/articles/2061001.pdf
Data publikacji:
2011
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Toarcian Oceanic Anoxic Event
taxonomy
phylogeny
palaeoclimate
palaeoenvironment
Opis:
The fossil record of the Coleorrhyncha goes back to the Upper Permian. In recent faunas only members of the Peloridiidae are present, restricted in distribution to the Southern Hemisphere. These insects were more diversified in the past, and though their fossil record in the Jurassic is restricted to the Northern Hemisphere, it comprises the families Progonocimicidae and Karabasiidae. The subfamily Progonocimicinae, present in the Jurassic strata of Europe and Asia is a declining lineage. The subfamily Cicadocorinae originated at the Triassic/Jurassic boundary and became dominant during Jurassic times. A review of Coleorrhyncha from European fossil sites is given, with taxonomic and phylogenetic problems highlighted. Their occurrence is linked to a very humid and warm climate, which is in agreement with independent data indicating greenhouse conditions in the atmospheric system and anoxia in the oceans at that time (Toarcian-Oceanic Anoxic Event – T-OAE) and coeval greenhouse climate on land. A new genus and species of the Progonocimicinae – Indutionomarus treveriorum gen. et sp. nov. is described, based on a specimen from the Lower Toarcian of Bascharage, Luxembourg, Western Europe. It is the first record of the Coleorrhyncha from this locality. The morphological features of the new genus in respect to other Progonocimicidae, and its phylogenetic importance, are discussed. Mesoscytina anglica Yu. Popov, Dolling et Whalley, 1994 is transferred to the genus Mesocimex, resulting in Mesocimex anglicus (Yu. Popov, Dolling et Whalley, 1994) comb. nov.
Źródło:
Volumina Jurassica; 2011, 9, 1; 3-20
1896-7876
1731-3708
Pojawia się w:
Volumina Jurassica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mesozoic spores of Poland – a revision of selected taxa
Mezozoiczne spory Polski – przegląd wybranych taksonów
Autorzy:
Waksmundzka, M.
Powiązania:
https://bibliotekanauki.pl/articles/2062009.pdf
Data publikacji:
2014
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Mesozoic spores
taxonomy
systematics
spory mezozoiczne
taksonomia
systematyka
Opis:
The study presents a taxonomic analysis of 44 taxa from the Mesozoic deposits of Poland. The spores have been ordered in a systematic way. Variability in interpretations of similar morphological or typical features of individual taxa have been presented. In case of same species the influence of the postdepositional processes on the morphological features of spores have been suggested.
Analizowano taksonomicznie 44 taksony z utworów mezozoiku Polski. Uporządkowano je według sztucznej systematyki. Przy opisie niektórych taksonów spor zasugerowano wpływ czynników postdepozycyjnych na ich cechy morfologiczne.
Źródło:
Biuletyn Państwowego Instytutu Geologicznego; 2014, 460; 25-87
0867-6143
Pojawia się w:
Biuletyn Państwowego Instytutu Geologicznego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Taxonomical studies on Hormotila ramosissima Kors. [Chlorophyceae]
Autorzy:
Matula, J
Pietryka, M.
Richter, D.
Powiązania:
https://bibliotekanauki.pl/articles/56514.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
taxonomy
Hormotila ramosissima
Chlorophyceae
morphology
reproduction
peat bog
Opis:
Hormotila ramosissima Korš., a very rare in the world and poorly known species, have been found in peat bogs of Lower Silesia. The growth stages typical of this species but unknown so far, have been described and illustrated. It was found that this species has many features in common with the representatives of Volvocales, Tetrasporales, and chlorococcales. The regularly observed zoospores and hemizoospores, which accompanied the various developmental stages of that species, showed an internal structure of Chlamydomonas-type. Studies on Hormotila ramosissima were based on live material collected in ample quantities from peat bogs. The collected in this way repeatable and abundant data allowed to discuss problems concerning morphology, reproduction and development, as well as consider the taxonomic position this species.
Źródło:
Acta Societatis Botanicorum Poloniae; 2006, 75, 2; 149-156
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ankle structure in Eocene pholidotan mammal Eomanis krebsi and its taxonomic implications
Autorzy:
Horovitz, I
Storch, G.
Martin, T.
Powiązania:
https://bibliotekanauki.pl/articles/21524.pdf
Data publikacji:
2005
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
pholidotan mammal
Eomanis krebsi
mammal
Eocene
taxonomy
paleontology
Opis:
Georges Cuvier (1798) established the classical concept of Edentata which included sloths, anteaters, armadillos, aardvarks, and pangolins. With the growing body of comparative morphological data becoming available during the nineteenth century, it was evident that Cuvier's “Edentata” was an artificial group (e.g., Huxley 1872). In his classical textbook, Weber (1904) excluded aardvarks and pangolins from the Edentata and put them in separate orders, Tubulidentata and Pholidota. Later on, fossil taxa were repeatedly added to and removed from Edentata, such as various xenarthran groups, taeniodonts, palaeanodonts, and gondwanatheres, but the South American Xenarthra always was considered as their core group. Even the living order Pholidota has been cited again as ?Edentata incertae sedis many years after Weber’s work (Romer 1966). The validity and extent of a higher taxon Edentata are still in dispute. In this discussion, the Middle Eocene pholidotan Eomanis and the putative xenarthran Eurotamandua from Grube Messel near Darmstadt (Germany) play an important role (Storch 1978, 1981, 2003; Rose and Emry 1993; Gaudin and Branham 1998; Rose 1999). Eomanis krebsi and Eurotamandua joresi have been subject to some discussion regarding their taxonomic distinction. It has been suggested that the only specimen known of Eo. krebsi might actually be a juvenile representative of the senior species E. joresi. A reexamination of the type specimen of Eo. krebsi has yielded some new observations regarding the identity of some of its ankle elements. An element that was previously identified as a navicular, is here reidentified as a partial distal tibia, whereas a partially exposed calcaneus had gone unnoticed. These two elements display several differences in morphology between Eo. krebsi and E. joresi, indicating that these are in fact distinct species.
Źródło:
Acta Palaeontologica Polonica; 2005, 50, 3
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Na parábola do Bom Samaritano: modelo casuístico
Autorzy:
Borges de Meneses, Ramiro Délio
Powiązania:
https://bibliotekanauki.pl/articles/2147545.pdf
Data publikacji:
2021
Wydawca:
Instytut Studiów Międzynarodowych i Edukacji Humanum
Tematy:
Good Samaritan
cases taxonomy
pragmatic formulation
casuistic foundations
Opis:
The casuistic formulation in ethics makes up a very significant opportunity to formulate the new applications of the principles in the different cases according to the Good Samaritan parable. There are so many occurrences in the parable to explain your splancnofanic determination by the Samaritan good.
Źródło:
Prosopon. Europejskie Studia Społeczno-Humanistyczne; 2021, 1(34); 111-118
1730-0266
Pojawia się w:
Prosopon. Europejskie Studia Społeczno-Humanistyczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena statystyczna rynku usług gastronomicznych w Polsce
Statistical evaluation of catering services market in Poland
Autorzy:
Urban, Stanisław
Kowalska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/452877.pdf
Data publikacji:
2012
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Katedra Ekonometrii i Statystyki
Tematy:
analiza skupień
gastronomia
taksonomia
cluster analysis
gastronomy
taxonomy
Opis:
Celem artykułu jest ocena rozwoju usług gastronomicznych w Polsce. Zaprezentowano w nim zróżnicowanie poziomu rozwoju w poszczególnych regionach i województwach. Wykorzystano do tego analizę skupień, taksonomię, liniową funkcję trendu i dynamikę zmian.
The aim of this paper is to assess the development of catering services in Poland. There was presented the different levels of development in different regions and provinces using a cluster analysis, a taxonomy, a linear trend function and dynamics of change.
Źródło:
Metody Ilościowe w Badaniach Ekonomicznych; 2012, 13, 3; 232-242
2082-792X
Pojawia się w:
Metody Ilościowe w Badaniach Ekonomicznych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Five key differences between chambers of commerce in United Kingdom, Belgium and Poland
Autorzy:
Marciniak, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/28409387.pdf
Data publikacji:
2023
Wydawca:
Uniwersytet im. Adama Mickiewicza w Poznaniu
Tematy:
Chambers of commerce
business organizations
taxonomy of chambers
Opis:
Chambers of commerce play an important role for entrepreneurs and the economy. However, their position, organization, effectiveness and tasks vary from country to country. The challenges of the 21st-century economy require the strengthening of chambers so that they can effectively support business. We should look for possible improvements. Chambers are usually categorized into three main models: Anglo-Saxon, continental and mixed. An additional public (or administrative) model is sometimes added. The analysis of the literature shows, however, that the assignment of chambers to models is sometimes arbitrary or customary. This results in different classification of some countries into specific models – e.g. Poland is assigned to the Anglo-Saxon or mixed model, while Spain is placed in the continental model, although some features of their chambers indicate the properties of the mixed model. The systematic confusion stems from the fact that the current taxonomy is too general to address effectively some of the most important differences between chambers operating in more than 200 countries. But more important is that its design does not provide tools and information that (in the increasing complexity of today’s economy) could support the development of chambers based on the results of comparative research. This article outlines a set of the key differences between British, Polish and Belgian chambers of commerce with several references to Canadian and US chambers. They are all private law and generally listed as Anglo-Saxon model members. But there are major differences between them. It’s important to examine foreign systems when changes to the domestic chambers are considered. It should be clear that there is no single and common framework that can be just replicated. Each country’s history, economy and social norms must be considered before changes are made. This is why comparative studies are the key to finding the best improvements for local needs.
Źródło:
Studia Prawa Publicznego; 2023, 4 (44); 89-109
2300-3936
Pojawia się w:
Studia Prawa Publicznego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bryoria forsteri [lichenized Ascomycotina], a new species from Antarctica
Autorzy:
Olech, M
Bystrek, J.
Powiązania:
https://bibliotekanauki.pl/articles/56742.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Antarctic
new species
Bryoria forsteri
Ascomycotina
taxonomy
Opis:
Bryoria forsteri Olech and Bystr. is described as new to science. The species is endemic to Antarctica and differs from its nearest relative Bryoria chalybeiformis (L.) Brodo and D. Hawksw. in the lack of soralia; lack of proper pseudocyphellae; absence of fumarprotocetraric acid; in the different structure of the cortex and by having another kind of photobiont.
Źródło:
Acta Societatis Botanicorum Poloniae; 2004, 73, 2
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Identification of Cercospora species in southwestern Iran
Autorzy:
Behrooz, Seyed Yousef
Salari, Mohamad
Pirnia, Mahdi
Kazem Sabbagh, Seyed
Powiązania:
https://bibliotekanauki.pl/articles/961647.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cercosporoid fungi
leaf spot
plant diseases
taxonomy
Opis:
Cercospora species are associated with leaf spot symptoms on various host plants. In this research, nine species of the genus on some medicinal and economic crops were found in different locations in Kohgiluyeh and Boyerahmad Provinces (southwestern Iran) and examined according to morphological characteristics of stromata, conidiophores, conidiogenous cells and conidia. Results showed that Cercospora species on Cichorium intybus (C. cichorii) and Nasturtium officinale (C. nasturtii) are new for the mycobiota of Iran. However, characteristics of Cercospora on Plantago lanceolata are very similar to the description of C. plantaginis, but morphologically indistinguishable from C. apii s. lat. Other species have already been reported from other parts of Iran, but are new in southwestern Iran. Furthermore, Rumex crispus and Trifolium resupinatum are new hosts for C. apii and C. zebrina in Iran, respectively.
Źródło:
Journal of Plant Protection Research; 2017, 57, 1
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of biogas production from anaerobic digestion of microalgae species belonged to various taxonomic groups
Autorzy:
Kisielewska, Marta
Dębowski, Marcin
Zieliński, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/204822.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
biogas
C/N ratio
methane
microalgae
taxonomy
Opis:
This study investigated the potential of three microalgae taxonomic groups of Chlorophyta, Cyanoprokaryota and Bacillariophyceae for biogas production. Biogas potential was assessed in mesophilic anaerobic digestion batch tests over a period of 20 days. The cumulative biogas yield (CBY) of Chlorophyta and Cyanoprocaryota was respectively 396.21 mL/g Volatile Solids (VS) and 382.45 mL/g VS. Bacillariophyceae digestion showed lower biogas production of 357.07 mL/g VS. The highest cumulative methane yield (CMY) of 241.25 mL CH4/g VS was recorded for Cyanoprocaryota biomass, which was signifi cantly higher (p<0.05) than the other two types of microalgae. The highest methane content in biogas of 63.08% was observed with Cyanoprokaryota. Chemical composition of biomass as well as biogas productivity are infl uenced by algal taxonomy.
Źródło:
Archives of Environmental Protection; 2020, 46, 1; 33-40
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tardigrada from Arctic tundra (Spitsbergen) with description of Isohypsibius karenae sp. n. (Isohypsibiidae)
Autorzy:
Zawierucha, Krzysztof
Powiązania:
https://bibliotekanauki.pl/articles/2051379.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Hornsund
Ariekammen
Eutardigrada
moss fauna
taxonomy
Źródło:
Polish Polar Research; 2013, 4; 383-396
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New data on the distribution of stenothoid amphipods (Crustacea) from Scotia Arc, West Antarctic
Autorzy:
Jażdżewska, Anna
Krapp-Schickel, Traudl
Powiązania:
https://bibliotekanauki.pl/articles/2051515.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctic
Scotia Arc
Amphipoda
Stenothoidae
taxonomy
distribution
Źródło:
Polish Polar Research; 2011, 4; 293-320
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Middle Ordovician bryozoa from the Podlasie-Brest Depression (Belarussian part): suborders Ceramoporina, Esthonioporina, Amplexoporina, Halloporina
Autorzy:
Pushkin, V.
Powiązania:
https://bibliotekanauki.pl/articles/2059884.pdf
Data publikacji:
2002
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Podlasie-Brest Depression
Ordovician
Bryozoa
taxonomy
biogeography
Opis:
Bryozoa (23 species) from many boreholes in the Belarussian part of the Podlasie-Brest Depression and some adjacent areas of the East European Platform are described. Only bryozoa from the orders Cystoporida (suborder Ceramoporina) and Trepostomida (suborders Esthonioporina, Amplexoporina and Halloporina) are represented. Four species and one family are described as new. The genera Anolotichiina Pushkin, 1992 and Minutolunaria Pushkin, 1992 are redescribed. The species described occur in the Llanvirn (Azeri-Kukruse Regional stages) and Caradoc (Idavere-Oandu Regional stages). The results support the hypothesis that the study area represented an independent biogeographical region of the Baltic province, corresponding to the Brest-Volyn confacies during the Llanvirn and Caradoc.
Źródło:
Geological Quarterly; 2002, 46, 4; 411-434
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exploitation Policy in the Aspect of Industry 4.0 Concept – Overview of Selected Research
Autorzy:
Timofiejczuk, A.
Brodny, J.
Loska, A.
Powiązania:
https://bibliotekanauki.pl/articles/2065017.pdf
Data publikacji:
2018
Wydawca:
STE GROUP
Tematy:
maintenance
context based reasoning
OEE
taxonomy methods
Opis:
The article is a review of completed research on developed and implemented innovative and technologically advanced technical systems. According to the Industry 4.0 concept they can have a significant impact on the efficiency of production processes and product development. In this perspective, the key aspect seems to be maintenance management of technical systems, realized both in the operate phase as well as during service and repair works. There were discussed research results of authors and developed application solutions supporting decision-making processes, in terms of three main periods of realization of exploitation processes: short, medium and long-term.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 353--359
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The PhyloCode, or alternative nomenclature: Why it is not beneficial to palaeontology, either
Autorzy:
Monsch, K.A.
Powiązania:
https://bibliotekanauki.pl/articles/23327.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
nomenclature
paleontology
Phylocode name
phylogenesis
systematics
taxonomy
Opis:
Methodological stability in biological nomenclature is being upset recently, with potential consequences for palaeontology. Some systematists, inspired mainly by de Queiroz and Gauthier (1990, 1992, 1994), reject traditional nomenclature in favour of an alternative “Phylogenetic Nomenclature” (PN). Following de Queiroz (2006) I consistently call this Phylogenetic Nomenclature, rather than Phylogenetic taxonomy, as it is often done. Important tenets of PN are the abandonment of hierarchic ranks and binomial names, and establishing name definitions based on cladogram shape (node−, stem−, and stem−modified node−based definitions), apomorphies (apomorphy−based definitions), or a combination of apomorphies and tree topology (apomorphy−modified node−based definition). For an explanation of such definitions, see Cantino and de Queiroz (2003) and Sereno (2005). The practice of Phylogenetic Nomenclature is laid out in an Internet document, the PhyloCode (Cantino and de Queiroz 2003). PN is seen as the natural next step in the evolution of taxonomy: from Linnaeus’ (1753, 1758) “creationist taxonomy” to Hennig’s (1966) cladistic taxonomy. Hence, Linnaeus’ ideas should be removed from nomenclature, which will then reflect phylogeny. Despite the dominance of cladistics as a framework for taxonomy, the validity of its philosophies and methodologies are still questioned (e.g., Szalay 2000). I encourage everyone, independently of school of taxonomy adhered to, to take interest in PN, because: (1) we are all creators or users of taxonomies and classifications, (2) PN is radically different from the current standard, (3) the Preface to the PhyloCode suggests it should ultimately replace the current Codes of Nomenclature (of bacteria, LaPage et al. 1992; of Zoology, ICZN 1999; of Botany, Greuter et al. 2000). I argue herein, why palaeontologists should not follow PN.
Źródło:
Acta Palaeontologica Polonica; 2006, 51, 3
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Serpukhovian (Early Carboniferous) Rugosa (Anthozoa) from the Lublin Basin, eastern PolandSerpukhovian (Early Carboniferous) Rugosa (Anthozoa) from the Lublin Basin, eastern Poland
Autorzy:
Fedorowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/191353.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Early Serpukhovian
Rugosa
Anthozoa
taxonomy
palaeogeography
taphonomy
Opis:
Sixteen rugose coral species, two known previously, nine new, three left in open nomenclature, and two identified as affinis, are described from the early Serpukhovian strata of the Lublin area, eastern Poland. Rugose corals of that age here are described for the first time from Poland. New genera include Birkenmajerites, Chelmia and Occulogermen. New species include: Axisvacuus tenerus, Birkenmajerites primus, Chelmia radiata, Nervophyllum lukoviensis, Occulogermen luciae, Rotiphyllum plumeum, Sochkineophyllum symmetricum, Zaphrentites rotiphylloides and, Zaphrufimia anceps. A brief analysis of the taphonomy, possible relationships and geographical connections of the corals described here to rugose coral faunas from adjacent areas also is included.
Źródło:
Annales Societatis Geologorum Poloniae; 2015, 85, 1; 221-270
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Albian corals from the Subpelagonian Zone of Central Greece (Agrostylia, Parnassos region)
Albskie koralowce z jenostki subpelagońskiej środkowej Grecji (Agrostylia, rejon Parnasu)
Autorzy:
Morycowa, E.
Marcopoulou-Diacantoni, A.
Powiązania:
https://bibliotekanauki.pl/articles/191425.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
Scleractinia
Octocorallia
Parnassos
Greece
Albian
taxonomy
palaeogeography
Opis:
Shallow-water scleractinian corals from Cretaceous allochthonous sediments of Subpelagonian Zone in Agrostylia (Parnassos region, Central Greece) represent 47 taxa belonging to 35 genera, 15 families and 8 suborders; of these 3 new genera and 9 new species are described. Among these taxa, 5 were identified only at the generic level. One octocorallian species has also been identified. This coral assemblage is representative for late Early Cretaceous Tethyan realm but also shows some endemism. A characteristic feature of this scleractinian coral assemblage is the abundance of specimens from the suborder Rhipidogyrina. The Albian age of the corals discussed is indicated by the whole studied coral fauna, associated foraminifers, calpionellids and calcareous dinoflagellates
Źródło:
Annales Societatis Geologorum Poloniae; 2002, 72, No 1; 1-65
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The diploporite blastozoan Lepidocalix pulcher from the Middle Ordovician of northern Algeria: taxonomic revision and palaeoecological implications
Autorzy:
MAKHLOUF, YAMOUNA
LEFEBVRE, BERTRAND
NARDIN, ELISE
NEDJARI, AHMED
R.C. PAUL, CHRISTOPHER
Powiązania:
https://bibliotekanauki.pl/articles/945226.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
echinodermata
diploporita
taxonomy
palaeoecology
ordovician
algeria
stita
Opis:
We present revision of the taxonomy and palaeoecology of the Ordovician aristocystitid Lepidocalix pulcher from the Zaouïa of Stita (Great Kabylia, Algeria). An emended diagnosis is proposed, highlighting the four-fold ambulacral system and the typical thecal plating organised in circlets. Lepidocalix is here assigned to the subfamily Calicinae of the family Aristocystitidae. The latex casts show fitted sutures between plates, slightly abraded spines, and well-preserved oral surface. The thecal plates possess up to three dipores, each, included into the spines. The presence of such covered diplopores would have reduced the respiration rate, by restricting their exchange surface area. The spines covering the dipores are not articulated and they could have a protective role. Lepidocalix is interpreted as stationary epifauna, probably using iceberg strategy to be stabilized into the soft substrate.
Źródło:
Acta Palaeontologica Polonica; 2017, 62, 2; 299-310
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Applications and limitations of micro-XCT imaging in the studies of Permian radiolarians: a new genus with bi-polar main spines
Autorzy:
XIAO, YIFAN
SUZUKI, NORITOSHI
HE, WEIHONG
Powiązania:
https://bibliotekanauki.pl/articles/945632.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
radiolaria
taxonomy
micro-xct
permian
changhsingian
china
Opis:
Microfocus X-ray Computed Tomography (micro-XCT) has been employed recently in radiolarian studies, though so far primarily to generate high quality tomographic images. Although micro-XCT technique cannot always produce high-quality tomographic images, it frequently can provide valuable information on the internal structure of spongy polycystines. Here we employ micro-XCT to understand internal skeletal structures of several Permian specimens of polycystine radiolarians. Structural inferences from micro-XCT images are compared to images of the same specimens made with SEM and transmitted light microscopy (TLM). The utility of micro-XCT for imaging internal structures is first confirmed by examining the spongy, flat, four-spined species Tetraspongodiscus stauracanthus. Micro-XCT method is then used to examine the internal structures of a spherical to elliptical polycystine with two bi-polar main spines, Dalongicaepa bipolaris Xiao and Suzuki gen. et sp. nov., from the Dalong Formation (Changhsingian) of South China. The new genus is characterized by four to seven densely concentric shells with a large spherical hollow in the center and two cylindrical spines at both poles of the cortical shell, and belongs to the family Spongotortilispinidae. Spherical to elliptical polycystines with bi-polar main spines are similar in external appearance, and their phylogenetic relationships are only determinable by examination of the internal structures. We therefore analyzed all Permian and Mesozoic spherical to elliptical polycystines with bi-polar main spines showing internal structures, using cluster analysis to measure similarity. The results show distinctive differences in internal structures and suggest that family level relationships should be revised in the future.
Źródło:
Acta Palaeontologica Polonica; 2017, 62, 3; 647-656
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tubulinosema loxostegi sp. n. (Microsporidia: Tubulinosematidae) from the Beet Webworm Loxostege sticticalis L. (Lepidoptera: Crambidae) in Western Siberia
Autorzy:
MALYSH, Julia M.
TOKAREV, Yuri S.
SITNICOVA, Natalia V.
MARTEMYANOV, Vyacheslav V.
FROLOV, Andrei N.
ISSI, Irma V.
Powiązania:
https://bibliotekanauki.pl/articles/763407.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Beet webworm, microsporidia, taxonomy, molecular phylogenetics, Tubulinosema
Opis:
Adults of beet webworm Loxostege sticticalis were collected in Western Siberia in 2009 and 2010. A microsporidium was found infecting 12 of 50 moths in 2010. The parasite develops in direct contact with host cell cytoplasm, sporogony is presumably disporoblastic. The spores are ovoid, diplokaryotic, 4.2 × 2.4 μm in size (fresh), without a sporophorous vesicle. Electron microscopy showed: (a) tubules on the surface of sporoblasts and immature spores; (b) slightly anisofilar polar tube with 10–14 coils, last 2–3 coils of lesser electron density; (c) bipartite polaroplast with anterior and posterior parts composed of thin and thick lamellae, respectively; (d) an indentation in the region of the anchoring disc; (e) an additional layer of electron-dense amorphous matter on the exospore surface. The spore ultrastructure is characteristic of the genus Tubulinosema. Sequencing of small subunit and large subunit ribosomal RNA genes showed 98–99.6% similarity of this parasite to the Tubulinosema species available on Genbank. A new species Tubulinosema loxostegi sp. n. is established.
Źródło:
Acta Protozoologica; 2013, 52, 4
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Taxonomic Studies on Three Marine Ciliates from China, Including a New Species (Ciliophora, Cyrtophorida)
Autorzy:
Pan, Hongbo
Ma, Honggang
Hu, Xiaozhong
Al-Rasheid, Khaled A. S.
Al-Farraj, Saleh A.
Powiązania:
https://bibliotekanauki.pl/articles/763525.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Cyrtophorida, infraciliature, marine ciliates, new species, taxonomy
Opis:
The present work investigates the living morphology and infraciliature of three marine cyrtophorid ciliates, which were isolated from Qingdao, China. Compared with its congeners, Orthotrochilia sinica spec. nov. can be distinguished by a combination of features: body slender and elliptical in outline, size about 50–60 × 20–25 μm in vivo, 18–21 somatic kineties, the length of the left perioral kinety treble the length of the right one, two ventrally located contractile vacuoles on the right side, and 25–32 nematodesmal rods. Based on current observations and the previous description, the diagnosis of Trochilioides tenuis (Deroux, 1976) Chen et al. 2011 is improved: cell size 30–40 × 20–35 μm in vivo, oval shaped in outline; consistently three right kineties, four left kineties and seven postoral kineties; a single contractile vacuole; marine habitat. A second species of Trochilioides, T. recta (Kahl, 1923) Chen et al. 2011 is re-described based on a Chinese population. Furthermore, a key to the identification of species of the genus Trochilioides whose infraciliature data are available is supplied, and Chlamydonyx trivialis (Fenchel, 1965) comb. nov. [basionym: Trochilioides trivialis Fenchel, 1965] is suggested.
Źródło:
Acta Protozoologica; 2013, 52, 1
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Diversity of Diatoms in the Natural, Mid-Forest Terebowiec Stream – Bieszczady National Park
Autorzy:
Noga, T.
Stanek-Tarkowska, J.
Rybak, M.
Kochman-Kędziora, N.
Peszek, Ł.
Pajączek, A.
Powiązania:
https://bibliotekanauki.pl/articles/124766.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
diatom indices
SPI
GDI
TDI
ecology
taxonomy
Opis:
The Terebowiec stream is an 8 km long watercourse which flows through the strictly protected Bieszczady National Park. The studies on bentic diatoms were conducted between 2013–2015 at three sampling sites along the Terebowiec stream and its unnamed tributary. 260 diatom taxa were identified in the streams, of which 13 taxa were considered as frequent. Chemical analysis showed good and high status of the water. In the studied samples, 27 taxa from the Polish Red List of Algae were determined.
Źródło:
Journal of Ecological Engineering; 2016, 17, 4; 232-247
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Taxonomic Descriptions of Two Marine Ciliates, Euplotes dammamensis n. sp. and Euplotes balteatus (Dujardin, 1841) Kahl, 1932 (Ciliophora, Spirotrichea, Euplotida), Collected from the Arabian Gulf, Saudi Arabia
Autorzy:
Chen, Xumiao
Zhao, Yan
Al-Farraj, Saleh A.
AL-QURAISHY, Saleh
El-Serehy, Hamed A.
Shao, Chen
Al-Rasheid, Khaled A. S.
Powiązania:
https://bibliotekanauki.pl/articles/763475.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Marine ciliate, morphogenesis, morphology, new species, SSU-rRNA, taxonomy
Opis:
The morphology, morphogenesis and infraciliature of two marine euplotid ciliates, Euplotes dammamensis n. sp. and Euplotes balteatus (Dujardin, 1841) Kahl, 1932, isolated from a sandy beach of the Arabian Gulf, Saudi Arabia, were investigated using observations in vivo and protargol-impregnation methods. Euplotes dammamensis n. sp. is characterized by a combination of features including its huge body size (100–170 × 80–120 μm), 10 conspicuous dorsal ridges, 10 normal-sized frontoventral and two marginal cirri, and 11 dorsal kineties. Euplotes balteatus is mainly characterized by 10 frontoventral, two caudal, and two left marginal cirri, 7–10 dorsal kineties and 5–7 prominent dorsal ridges as well as double-eurystomus silverline system. The small subunit rRNA (SSU-rRNA) gene sequences were determined for both species and phylogenetic analyses based on these data indicated that E. dammamensis is most closely related to E. parabalteatus Jiang et al., 2010, and E. balteatus clusters with E. plicatum Valbonesi et al., 1997, E. orientalis Jiang et al., 2010, and E. bisulcatus Kahl, 1932.
Źródło:
Acta Protozoologica; 2013, 52, 2
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A New Species of Flamella (Amoebozoa, Variosea, Gracilipodida) Isolated from a Freshwater Pool in Southern Mississippi, USA
Autorzy:
Walthall, Austin C.
Brown, Matthew W.
Tice, Alexander K.
Powiązania:
https://bibliotekanauki.pl/articles/763591.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Jagielloński. Wydawnictwo Uniwersytetu Jagiellońskiego
Tematy:
Amoeboid, amoeba, SSU rDNA, taxonomy, protist, phylogenetics, Flamella, Gracilipoida
Opis:
We isolated and identified a freshwater amoebozoan species that belongs to the genus Flamella Schaeffer, 1926 by single cell isolation and light microscopy. Our specific strain was isolated from a water sample obtained on the cover of a swimming pool in Petal, Mississippi, USA collected during the winter of 2015. Morphologically, our isolate is a fan-shaped amoeba with a large, frontal hyaloplasm and distinctive granuloplasm. It is capable of encystment and trophozoites occasionally have two nuclei. The isolate (GFP151sc) is phylogenetically sister to but unique from the freshwater environmental flamellid clone from Borok, Yaroslavl region, Russia originally published in 2006. Here we describe and place this isolate into a new species, Flamella piscinae n. sp.
Źródło:
Acta Protozoologica; 2016, 55, 2
1689-0027
Pojawia się w:
Acta Protozoologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Semanticizing innovative knowledge
Autorzy:
Ilona, Pawełoszek
Powiązania:
https://bibliotekanauki.pl/articles/432119.pdf
Data publikacji:
2014
Wydawca:
Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Tematy:
semantic MediaWiki
enterprise taxonomy
innovative knowledge
semantic structure
semanticization
Opis:
The paper addresses one of the technological aspects of knowledge creation for innovations – namely supporting knowledge externalization and sharing in an organization by using semantic Web solutions. Specifically, we propose a semantic approach to preserve and leverage knowledge from individuals to the organization. Thus, the organization will be able to continually learn and improve based on its employees’ experience. We propose a solution based on the Semantic MediaWiki software platform, that would serve as a semantic middle layer facilitating access to innovative ideas and dispersed information resources. The presented case study from metallurgical industry aims to highlight the possibilities of the semantic integration of different data sources by using enterprise taxonomies to support innovative knowledge sharing among a community of knowledge workers.
Źródło:
Informatyka Ekonomiczna; 2014, 1(31); 59-68
1507-3858
Pojawia się w:
Informatyka Ekonomiczna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Eocene penguins of Seymour Island, Antarctica: The earliest record, taxonomic problems and some evolutionary considerations
Autorzy:
Jadwiszczak, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/2051886.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctica
La Meseta Formation (Eocene)
paleontology (penguins)
taxonomy
evolution
Źródło:
Polish Polar Research; 2006, 27, 4; 287-302
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Unarmoured dinoflagellates collected during the cruise of the r/v Oceania to the European Arctic, in June-August 1992 and 1993
Autorzy:
Okolodkov, Yuri B.
Powiązania:
https://bibliotekanauki.pl/articles/2052467.pdf
Data publikacji:
1998
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Norwegian
Greenland
Barrents seas
phytoplankton
Dinoflagellata
Gymnodiniales
taxonomy
Źródło:
Polish Polar Research; 1998, 19, 3-4; 211-218
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Eocene bryozoan assemblages from the La Meseta Formation of Seymour Island, Antarctica
Autorzy:
Hara, U.
Mörs, T.
Hagström, J.
Requero, M. A.
Powiązania:
https://bibliotekanauki.pl/articles/2060414.pdf
Data publikacji:
2018
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Cyclostomata
Cheilostomata
taxonomy
Paleogene
James Ross Basin
Antarctic Peninsula
Opis:
Early to Late Eocene bryozoans from the La Meseta Formation of Seymour Island were collected at two localities within the Cucullaea I Allomember (Telm4 and Telm5) on the northwestern side of the island and in two localities within the Submeseta Allomember (Telm6 and Telm7) on the northeastern side. This fauna is represented by cyclostomes of the suborders Tubuliporina and Cerioporina and suborders of Neocheilostomata, among which nine species have been recognized. The following new species are introduced: Micropora nordenskjoeldi sp. nov., Lunulites marambionis sp. nov., Otionellina antarctica sp. nov. and Otionellina eocenica sp. nov. Some other taxa recognized in the studied material, such as Reticrescis plicatus, Uharella seymourensis and Celleporaria mesetaensis, were previously described from the lowermost (Telm1) or uppermost parts (Telm6-7), thus their stratigraphical ranges within the La Meseta Formation are extended. The diverse growth-forms of the bryozoans include a sole ball-shaped celleporiform colony and reticulated and bilamellar-foliaceous colony, as well as rich encrusting and free-living forms (so-called sand faunas), indicating the existence of locally restricted shallow-marine environments. This is particularly true in the middle and upper parts of the La Meseta Formation (Telm4-7). Reticulated, spheroidal and robust, branched colonies, which thrived in the environmental conditions of the lower part (Telm1), are represented only by a sparse bryozoan biota in the upper part of the La Meseta Formation. Lunulitiforms, such as Lunulites and Otionellina which are warm water, free-living bryozoans, dominate in the siliciclastic sediments of Telm5, but erect folded sheets forming a shell bed composed of ?Goodonia occur in Telm6-7. These three genera are recognized in Antarctica for the first time. The austral genus Otionellina has its earliest fossil record here, showing close biogeographical links with the Late Eocene-Miocene faunas of Australia and New Zealand. The taxonomic composition of the studied fauna together with their growth forms is a very good tool for reconstructing palaeoenvironmental conditions in the middle and upper parts (Telm4-7) of the La Meseta Formation, deposited during the Late Ypresian-Priabonian.
Źródło:
Geological Quarterly; 2018, 62, 3; 705--728
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seidenforchis - a new genus of Malaxidinae [Orchidaceae] from Thailand
Autorzy:
Margonska, H B
Powiązania:
https://bibliotekanauki.pl/articles/57946.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Seidenforchis
new genus
Malaxidinae
Orchidaceae
Crepidium
Malaxis
taxonomy
Thailand
Opis:
A new genus Seidenforchis of the subtribe Malaxidinae (Orchidaceae) from Southeast Asia is proposed. Three species are transferred from Crepidium to Seidenforchis. Keys for determination of Seidenforchis species and related genera of subtribe Malaxidinae from Asia, are proposed.
Źródło:
Acta Societatis Botanicorum Poloniae; 2006, 75, 4; 301-307
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nomenclatural changes in Liparis-complex [Malaxidinae, Epidendroideae]
Autorzy:
Szlachetko, D L
Margonska, H.B.
Kulak, M.
Powiązania:
https://bibliotekanauki.pl/articles/59241.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
taxonomy
Disticholiparis
Australasia
Epidendroideae
Cestichis
Liparis
Malaxidinae
nomenclatural change
Opis:
Explanation of taxonomic and nomenclatural problems of few taxa of Liparis sensu lato are compiled. Taxonomic status of Disticholiparis is confirmed. New nomenclatural combinations within Stichorkis are proposed.
Źródło:
Acta Societatis Botanicorum Poloniae; 2008, 77, 1
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A note about new and rarely recorded taxa of the genus Cladonia from the Arctic Island Spitsbergen [Svalbard]
Autorzy:
Osyczka, P
Powiązania:
https://bibliotekanauki.pl/articles/56455.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Cladonia
lichen
Spitsbergen
lichenized fungi
Arctic
distribution
taxonomy
Svalbard
Opis:
The paper is based on field studies dealing with the lichen genus Cladonia Hill ex P. Browne (Cladoniaceae) carried out by the author in the region of Spitsbergen in 2002 as well as taxonomical work and revision of herbarium material, collected during several earlier Polish polar expeditions to this part of the Arctic. As the result not reported so far from the island species Cladonia stygia (Fr.) Ruoss, C. trassii Ahti, C. verticillata (Hoffm.) Schaer. have been determined. Besides, the presence of very rarely recorded taxa C. crispata var. cetrariiformis (Delise) Vain., C. merochlorophaea Asahina and Cladonia symphycarpia (Flörke) Fr. is confirmed and their new localities are given. Furthermore, the presence of C. coccifera s.str. is also substantiated.
Źródło:
Acta Societatis Botanicorum Poloniae; 2005, 74, 3
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Chromosome data - a useful tool in taxonomy of Symphyotrichum ciliatum
Autorzy:
Tucharz, M.
Nobis, A.
Nobis, M.
Powiązania:
https://bibliotekanauki.pl/articles/19493.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
chromosome number
tool
taxonomy
Symphyotrichum ciliatum
distribution
Polska
Compositae
Opis:
We used chromosome data to verify the taxonomic affiliation of specimens previously recognized as Brachyactis ciliata. All analyzed plants were diploids based on x = 7 (2n = 2x = 14), the basic number characteristic for Symphyotrichum ciliatum, allowing the examined species to be shifted from the genus Brachyactis to the genus Symphyotrichum sect. Conyzopsis. The chromosome number (2n = 2x = 14) for specimens of S. ciliatum from Poland is reported for the first time.
Źródło:
Acta Biologica Cracoviensia. Series Botanica; 2011, 53, 1
0001-5296
Pojawia się w:
Acta Biologica Cracoviensia. Series Botanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Agastograptus from the mulde beds of Gotland
Agastograptus z warstw mulde Gotlandii
Autorzy:
Kozlowska-Dawidziuk, A.
Powiązania:
https://bibliotekanauki.pl/articles/21121.pdf
Data publikacji:
1991
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
Agastograptus
graptolite
Heloretiolites lawsoni
Retiolites balticus
taxonomy
paleontology
Gotland
Opis:
Agastograptus lawsoni (Holland, Rickards et Warren 1969), known previously as Holoretiolites (Balticograptus) lawsoni Holland, Rickards et Warren 1969 from upper Wenlock of Shropshire is described from Mulde Beds of Gotland. A new diagnosis of the species, basing on abundant and well preserved fossils, has been formulated. Former Retiolites balticus Eisenack is removed from the genus Agastograptus.
Zbadano około 70 dobrze zachowanych okazów retiolitidów, pochodzących z warstw Mulde (górny wenlok) Gotlandii, co umożliwiło zbadanie astogenezy i wyróżnienie cech diagnostycznych gatunku. Stwierdzono też kilkanaście anormalnie wykształconych rabdosomów. Gatunek ten opisany był z górnego wenloku Shropshire przez Holanda, Rickardsa i Warrena (1969) jako Holoretiolites (Balticograptus) lawsoni, jednak zły stan zachowania materiału nie pozwolił im ustalić liczby wyrostków aperturalnych. Zdaniem autorki należy on do rodzaju Agastograptus Obut et Zaslavskaya 1983. Jednocześnie autorka proponuje wyłączyć z rodzaju Agastograptus dawny gatunek Retiolites balticus Eisenack z uwagi na występowanie pojedynczego wyrostka aperturalnego oraz brak beleczek pleuralnych i zygzakowatego wzoru klatrium ścian lateralnych.
Źródło:
Acta Palaeontologica Polonica; 1991, 36, 2
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Alpha taxonomy of the Russian Permian procolophonoid reptiles
Autorzy:
Saila, L.K.
Powiązania:
https://bibliotekanauki.pl/articles/22010.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
taxonomy
Russia
Permian
procolophonoid reptile
Procolophonoidea
Parareptilia
Procolophonidae
paleobiogeography
Opis:
European Russia has been the source of many procolophonoid taxa from both the Permian and Triassic, and a Permian origin for the procolophonoid family Procolophonidae has been based on the Russian taxon Microphon exiguus. Recently, this taxon was reclassified as a seymouriamorph and, in its place, the taxa Nyctiphruretus, Suchonosaurus, and Kinelia from the Middle and Upper Permian of Russia were suggested as “procolophons”, using evolutionary−systematic classification methods. In recent phylogenies, however, Nyctiphruretus has been recovered as a non–procolophonoid parareptile, whereas Kinelia and Suchonosaurus have never been included in a phylogenetic study. Re−examination indicates that Suchonosaurus is a member of the procolophonoid subfamily Procolophonidae based on the shape of the maxillary bone and the external naris, the laterally visible maxillary depression, and the number and type of maxillary teeth. Kinelia, on the other hand, is excluded from the Procolophonoidea because of its subpleurodont dental attachment and lack of any procolophonoid features. Thus, Suchonosaurus is the only confirmed Permian procolophonid from the Permian of Russia. Additionally, re−examination of the holotype of Microphon exiguus confirms that it is identical to the seymouriamorph specimens recently included in the genus Microphon and that it lacks procolophonoid features. The earliest unequivocal record of the subfamily Procolophonidae is confirmed from the Late Permian of Russia, making Russia the only region where, with certainty, both Permian and Triassic procolophonids have been discovered.
Źródło:
Acta Palaeontologica Polonica; 2009, 54, 4
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-100 z 453

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