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    Wyświetlanie 1-10 z 10
    Tytuł:
    Trichinellosis in Spain [1984-1994]
    Autorzy:
    Bolas-Fernandez, F.
    Martinez-Fernandez, A.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/2148903.pdf
    Data publikacji:
    1997
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    pig
    isolate
    horse
    wild boar
    Trichinella
    man
    trichinellosis
    animal
    Spain
    Źródło:
    Wiadomości Parazytologiczne; 1997, 43, 3; 285-286
    0043-5163
    Pojawia się w:
    Wiadomości Parazytologiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gullies development in afforested slopes in Southeastern Spain
    Autorzy:
    Ruiz-Sinoga, J. D.
    Romero-Díaz, A.
    Belmonte-Serrato, F.
    Alonso-Sarría, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/295162.pdf
    Data publikacji:
    2011
    Wydawca:
    Stowarzyszenie Geomorfologów Polskich
    Tematy:
    afforestation
    gullies
    erosion rates
    marls
    semi-arid region
    Spain
    Opis:
    In semiarid regions, the main purpose of afforestation has been to provide a protective vegetative cover in order to prevent or reduce soil erosion. This paper shows the results of a study carried out in some areas afforested in the 1970s, in steep slopes and mostly in marls. Afforestation where performed using terraced with subsoiling, so the existing scrub vegetation was removed and Pinus halepensis was planted. The main conclusion is that human action developed in this semi-arid territory, perhaps because the technique applied was not the most suitable for afforestation, has led to the geomorphological activation of the slopes and the emergence and large development of gullies.
    Źródło:
    Landform Analysis; 2011, 17; 173-176
    1429-799X
    Pojawia się w:
    Landform Analysis
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new Middle Devonian heterocoral from Spain
    Autorzy:
    Fernandez-Martinez, E
    Tourneur, F.
    Lopez-Alcantara, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/21951.pdf
    Data publikacji:
    2003
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Cantabrian Zone
    Heterocorallia
    Eifelian
    Devonian
    heterocoral
    Middle Devonian
    paleontology
    Spain
    Opis:
    Most of the heterocorals described up to now from strata older than Famennian are of doubtful affinities. Numerous specimens of the new genus and new species here described were collected during a sedimentological study of the Santa Lucía Formation in La Pola de Gordon (León province, Cantabrian Mountains, NW Spain). Stellaphyllia luciensis gen. et sp. nov. is characterized by cylindrical coralla, with a diameter of less than 2 mm and more than 2 cm long, having stellate to more or less rounded outer profile. Four to six septa, less frequently seven, are cojoined axially by a short oblique septum. The few tabulae present are steeply arched. The microstructure of the septa and interseptal elements shows thin elongate microlamellae parallel to a median plate which is granular in appearance. The new genus dated to the lower Eifelian age could be important in understanding the early phylogeny and origin of the order Heterocorallia.
    Źródło:
    Acta Palaeontologica Polonica; 2003, 48, 4
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New finds of skeletal fossils in the terminal Neoproterozoic of the Siberian Platform and Spain
    Autorzy:
    Zhuravlev, A.Y.
    Linan, E.
    Gamez Vintaned, J.A.
    Debrenne, F.
    Fedorov, A.B.
    Powiązania:
    https://bibliotekanauki.pl/articles/22120.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    skeletal fossil
    Neoproterozoic
    Siberian Platform
    Spain
    Cloudina
    Ediacaran skeletal fossil
    microstructure
    extinction
    Opis:
    A current paradigm accepts the presence of weakly biomineralized animals only, barely above a low metazoan grade of organization in the terminal Neoproterozoic (Ediacaran), and a later, early Cambrian burst of well skeletonized animals. Here we report new assemblages of primarily calcareous shelly fossils from upper Ediacaran (553–542 Ma) carbonates of Spain and Russia (Siberian Platform). The problematic organism Cloudina is found in the Yudoma Group of the southeastern Siberian Platform and different skeletal taxa have been discovered in the terminal Neoproterozoic of several provinces of Spain. New data on the morphology and microstructure of Ediacaran skeletal fossils Cloudina and Namacalathus indicate that the Neoproterozoic skeletal organisms were already reasonably advanced. In total, at least 15 skeletal metazoan genera are recorded worldwide within this interval. This number is comparable with that known for the basal early Cambrian. These data reveal that the terminal Neoproterozoic skeletal bloom was a real precursor of the Cambrian radiation. Cloudina, the oldest animal with a mineralised skeleton on the Siberian Platform, characterises the uppermost Ediacaran strata of the Ust’−Yudoma Formation. While in Siberia Cloudina co−occurs with small skeletal fossils of Cambrian aspect, in Spain Cloudina−bearing carbonates and other Ediacaran skeletal fossils alternate with strata containing rich terminal Neoproterozoic trace fossil assemblages. These finds treated together provide a possibility to correlate transitional Neoproterozoic– lower Cambrian strata around the world. Such a correlation concurs with available isotope and radiometric data and indicates that typical Ediacaran shelly fossils have not crossed the Precambrian–Cambrian boundary.
    Źródło:
    Acta Palaeontologica Polonica; 2012, 57, 1
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gullies and badland landscapes in Neogene basins, region of Murcia, Spain
    Autorzy:
    Alonso-Sarria, F.
    Romero-Díaz, A.
    Ruíz-Sinoga, J. D.
    Belmonte-Serrato, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/295156.pdf
    Data publikacji:
    2011
    Wydawca:
    Stowarzyszenie Geomorfologów Polskich
    Tematy:
    Neogene basins
    badland
    gullies
    semi-arid region
    Spain
    Opis:
    The area occupied by gullies and ravines in Murcia Region is 161,028 hectares, representing 14.63%. The origin of these erosive forms are related to several factors such as : lithological and stratigraphic features, mineralogy and geochemistry of the sediments, tectonics, climatic characteristics, low vegetation cover and poorly developed soils.
    Źródło:
    Landform Analysis; 2011, 17; 161-165
    1429-799X
    Pojawia się w:
    Landform Analysis
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Land use changes and development of pi ping and gullies in Southeast Spain
    Autorzy:
    Romero-Díaz, A.
    Alonso-Sarría, F.
    Sánchez-Soriano, A.
    Ruiz-Sinoga, J. D.
    Powiązania:
    https://bibliotekanauki.pl/articles/294639.pdf
    Data publikacji:
    2011
    Wydawca:
    Stowarzyszenie Geomorfologów Polskich
    Tematy:
    land use changes
    piping
    gullies
    semi-arid region
    Spain
    Opis:
    In semiarid regions with low rainfall, poorly developed soils and marly lithologies, land abandonment leads to an increase in soil erosion and degradation processes. In some cases, the initiation of piping processes and the emergence of gullies takes place not long after its abandonment.
    Źródło:
    Landform Analysis; 2011, 17; 33-37
    1429-799X
    Pojawia się w:
    Landform Analysis
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Geomorphic dynamics of gullies developed in sandy slopes of Central Spain
    Autorzy:
    Lucía, A.
    Martín-Duque, J. F.
    Laronne, J. B.
    Sanz-Santos, M. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/294675.pdf
    Data publikacji:
    2011
    Wydawca:
    Stowarzyszenie Geomorfologów Polskich
    Tematy:
    sand
    gullies
    Terrestrial Laser Scanner (TLS)
    Reid bedload sampler
    erosion-runoff plots
    Spain
    Opis:
    Gullies developed on sandy lithologies are scarce. Such landforms have developed in the sandy deposits of the Cretaceous 'Utrillas' facies within the Segovia province of Central Spain. They appear at the slopes of a group of mesas and cuestas located at the edge of the northern piedmont of the Guadarrama Mountains of the Spanish Central System. The activity of the different geomorphic processes acting in these gullies, as well as their connectivity, are being characterized and quantified. This study was preceded by reconnaissance methods, whereas presently technologically advanced and more accurate techniques are being utilized. The new methods are applied in an experimental catchment (1.26 ha). They include: i) an automatic Reid-type (formerly termed Birkbeck) slot bedload sampler for continuous monitoring of bedload flux and for continuous sampling of bedload; siphons for sampling the suspended load; and a Parshall flume to monitor water discharge. Jointly, these instruments allow to study the fluvial dynamics at the catchment mouth; ii) topographic surveys undertaken by a Terrestrial Laser Scanner (TLS) to quantify the activity of gravitational, overland flow and fluvial processes in different sediment source areas within the gully basin; iii) micro runoff and erosion plots to monitor the infiltration and erosive response of different Hydrologic Response Units (HRU) comprising the interior of the catchment. This ensemble of novel methods has started providing patterns of sediment movement within the gully system.
    Źródło:
    Landform Analysis; 2011, 17; 91-97
    1429-799X
    Pojawia się w:
    Landform Analysis
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A new freshwater basal eucryptodiran turtle from the Lower Cretaceous of Spain
    Autorzy:
    Perez-Garcia, A.
    De La Fuente, M.S.
    Ortega, F.
    Powiązania:
    https://bibliotekanauki.pl/articles/20420.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    new genus
    new species
    freshwater turtle
    eucryptodiran turtle
    Lower Cretaceous
    Cretaceous
    paleontology
    Spain
    Testudines
    Eucryptodira
    Barremian
    Las Hoyas
    Opis:
    A freshwater turtle from the lithographic limestone of Las Hoyas (Barremian of Cuenca, Spain) is described as a new genus and species of Eucryptodira, Hoyasemys jimenezi. The holotype consists of the skull, lower jaw, carapace, plastron, vertebral column, pectoral and pelvic girdle remains, and foreand hindlimbs. Hoyasemys jimenezi gen. et sp. nov. is characterized by three pairs of blind oblique depressions on the ventral surface of the basisphenoid, and a character combination composed, among others, of the articulation between the fourth and fifth cervical vertebrae through a cotyle in the fourth and a condyle in the fifth, amphicoelous caudal centra, and most digits of manus and pes with three elongated phalanges. This study allows clarification of the systematic position of a species of uncertain affinity often identified as “chelydroid” in appearance. A phylogenetic analysis shows Hoyasemys jimenezi gen. et sp. nov. forms a monophyletic group with Judithemys sukhanovi, Dracochelys bicuspis, Sinemys lens, and Ordosemys leios, collectively the sister group of crown Cryptodira.
    Źródło:
    Acta Palaeontologica Polonica; 2012, 57, 2
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Land vulnerability evaluation and climate change impacts in Andalucia, Spain: soil erosion and contamination
    Autorzy:
    De La Rosa, D.
    Crompvoets, J.
    Mayol, F.
    Moreno, J.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/24342.pdf
    Data publikacji:
    1996
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    land vulnerability
    land evaluation
    soil survey
    soil erosion
    erosion model
    Spain
    Andalucia
    climate change
    Źródło:
    International Agrophysics; 1996, 10, 3
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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