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Wyświetlanie 1-15 z 33
Tytuł:
A new euarthropod from the Cambrian Stage 4 Guanshan Biota of South China
Autorzy:
Jiao, D.-G.
Du, K.-S.
Powiązania:
https://bibliotekanauki.pl/articles/31341374.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
paleontology
new species
euarthropod
fossil
Astutuscaris bispinifer
Arthropoda
Cambrian
evolution
Guanshan Biota
biota
China
Źródło:
Acta Palaeontologica Polonica; 2022, 67, 4; 969-974
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Observations on the fast ice biota in the fjords of Spitsbergen
Autorzy:
Węsławski, Jan Marcin
Kwaśniewski, Sławomir
Wiktor, Józef
Zajączkowski, Marek
Powiązania:
https://bibliotekanauki.pl/articles/2052718.pdf
Data publikacji:
1993
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Spistbergen
ice biota
fjords
Źródło:
Polish Polar Research; 1993, 14, 4; 331-343
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Perturbacje z obliczaniem pola magnetycznego solenoidu
Perturbations in computation the magnetic field in a solenoid
Autorzy:
Pawluk, K.
Powiązania:
https://bibliotekanauki.pl/articles/159582.pdf
Data publikacji:
2008
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Elektrotechniki
Tematy:
prawo Biota-Savarta
pole magnetyczne
solenoid
Opis:
Przeanalizowano algorytmy do obliczania indukcji magnetycznej w solenoidzie z uwzględnieniem modeli strukturalnych o różnych stopniach uproszczenia, pod kątem widzenia wykorzystania wyników obliczeń przy analizie rozwiązań technicznych układów pomiarowych wykorzystujących zjawisko magnetooptyczne Faradaya. Korzystając z opracowanego przez autora pakietu programów komputerowych zaprezentowano niektóre wyniki obliczeń składowej osiowej i radialnej indukcji magnetycznej w samym solenoidzie i poza jego krańcami, co pozwoliło ocenić praktyczną dopuszczalność wybranych modeli strukturalnych z punktu widzenia osiąganych dokładności obliczeń.
Algorithms for computation the magnetic flux density within a solenoid with respect to the various kind of mathematical models of a solenoid coil were analysed. The consideration of measurement systems that are based on the Faraday's magneto-optic effect can take a practical advantage from the results of such analysis. The author's computer programs were done and some particular calculation results of the both axial and radial components of the magnetic flux density as well within the solenoid itself as outside its ends were presented. It made possible to choose the most convenient mathematical models of the solenoid coil which results in high accuracy of the magnetic field calculation.
Źródło:
Prace Instytutu Elektrotechniki; 2008, 238; 5-35
0032-6216
Pojawia się w:
Prace Instytutu Elektrotechniki
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Contribution to the knowledge of fungi of the Kampinos National Park (Central Poland): Part 4 – with particular emphasis on the species occurring on windthrown trees
Autorzy:
Szczepkowski, Andrzej
Gierczyk, Błażej
Ślusarczyk, Tomasz
Kujawa, Anna
Powiązania:
https://bibliotekanauki.pl/articles/11543446.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Ascomycota
Basidiomycota
fungal biota
ecological disturbance
windfall
Opis:
This paper presents 18 species of fungi that are new to the Kampinos National Park and their buffer zone. Seventeen of these species were found during studies on wind-damaged areas after the forest was damaged in 2017. One species new to Poland has been described and illustrated (Odonticium septocystidiatum). A few of the species recorded (Ciliolarina cfr. laricina, Daldinia petriniae, Pseudovalsa umbonata, Spongipellis litschaueri) are very rare in Poland and hitherto mentioned from single localities in the country. Two species from the Polish red list of macrofungi were recorded in the Kampinos National Park for the first time – namely, Punctularia strigosozonata (E) and Trichaptum biforme (R). The current number of macromycete taxa known from Kampinos National Park has reached a total of 1,630.
Źródło:
Acta Mycologica; 2021, 56, 1; 5610
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Contribution to the knowledge of fungi of the Kampinos National Park (Central Poland): part 5 – with particular emphasis on the species occurring on windthrown trees
Autorzy:
Szczepkowski, Andrzej
Gierczyk, Błażej
Kujawa, Anna
Ślusarczyk, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/11543464.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Ascomycota
Basidiomycota
fungal biota
ecological disturbance
windfall
Opis:
The paper presents eleven species of fungi new to the Kampinos National Park. They were found during the studies on wind-damaged areas after the forest was damaged in 2017. Two species new to Poland were described and illustrated (Nectria nigrescens and Strossmayeria basitricha). The current number of macromycetes taxa known from the Kampinos National Park has reached 1,637.
Źródło:
Acta Mycologica; 2022, 57; 572
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Contribution to the knowledge of fungi of the Kampinos National Park (Central Poland): part 6 – with particular emphasis on the species occurring on windthrown areas
Autorzy:
Szczepkowski, Andrzej
Gierczyk, Błażej
Kujawa, Anna
Slusarczyk, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/11543477.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Ascomycota
Basidiomycota
fungal biota
ecological disturbance
windfall
Opis:
We identified 17 species of fungi that are new to Kampinos National Park. Sixteen were found during surveys of areas damaged by a strong wind in 2017. The remaining species was found outside the windthrow area. Descriptions of four species new to Poland (Cortinarius subcompar, Hyaloscypha quercicola, Hypocrea tremelloides, and Trechispora aff. invisitata) are also provided. The current number of macromycetes taxa identified in Kampinos National Park is 1,654.
Źródło:
Acta Mycologica; 2022, 57; 574
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New data on the anatomy of fuxianhuiid arthropod Guangweicaris spinatus from the lower Cambrian Guanshan Biota, Yunnan, China
Autorzy:
Chen, H.
Legg, D.A.
Zhai, D.-Y.
Liu, Y.
Hou, X.-G.
Powiązania:
https://bibliotekanauki.pl/articles/2082130.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
Arthropoda
Euarthropoda
Fuxianhuiida
Fuxianhuiidae
Guanshan Biota
Cambrian
Asia
Opis:
The fuxianhuiid arthropod Guangweicaris spinatus, from the lower Cambrian (Series 2, Stage 4), Guanshan Biota (Wulongqing Member, Canglangpu Formation), located in the vicinity of Kunming (Yunnan Province, southwest China), is redescribed based on new specimens and a re-examination of previously described material. A more complete overview of its morphology is given. Newly recognised features include: (i) a medial cephalic bulge; (ii) a tripartite hypostome; (iii) a pair of specialized post-antennal appendage (SPA); (iv) a putative telson; (v) two pairs of spines on the posteroventral margin of the terminal abdominal segment. This information is used to provide an emended diagnosis of the family Fuxianhuiidae, and the genus Guangweicaris.
Źródło:
Acta Palaeontologica Polonica; 2020, 65, 1; 139-148
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Lichens of the Frankenhalvøya Peninsula (Northern of Barentsøya, Svalbard)
Autorzy:
Konoreva, Liudmila
Chesnokov, Sergey
Powiązania:
https://bibliotekanauki.pl/articles/16538451.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
Arctic
lichen biota
new records
Norway
rare species
Opis:
This paper contributes to the studies on the lichen diversity of Barentsøya. It covers 211 species, of which four ( Buellia schaereri, Myriolecis zosterae var. palanderi, Rhizocarpon furfurosum, R. leptolepis) are reported for the first time for the Svalbard archipelago. Additionally, 84 of the species are reported for the first time for Barensøya. Our study includes 2 subspecies as well, both new for Barentsøya. Thirty-six species (16.8% among the identified species) are rare in Svalbard, whereas more than two thirds (70.1% from identified in the Barensøya) are relatively widespread species in Svalbard and the Arctic.
Źródło:
Polish Polar Research; 2022, 43, 1; 37-68
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Variability of conch morphology in a cephalopod species from the Cambrian to Ordovician transition strata of Siberia
Autorzy:
Dzik, J.
Powiązania:
https://bibliotekanauki.pl/articles/2082131.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
Arthropoda
Euarthropoda
Fuxianhuiida
Fuxianhuiidae
Guanshan Biota
Cambrian
Asia
Opis:
The fuxianhuiid arthropod Guangweicaris spinatus, from the lower Cambrian (Series 2, Stage 4), Guanshan Biota (Wulongqing Member, Canglangpu Formation), located in the vicinity of Kunming (Yunnan Province, southwest China), is redescribed based on new specimens and a re-examination of previously described material. A more complete overview of its morphology is given. Newly recognised features include: (i) a medial cephalic bulge; (ii) a tripartite hypostome; (iii) a pair of specialized post-antennal appendage (SPA); (iv) a putative telson; (v) two pairs of spines on the posteroventral margin of the terminal abdominal segment. This information is used to provide an emended diagnosis of the family Fuxianhuiidae, and the genus Guangweicaris.
Źródło:
Acta Palaeontologica Polonica; 2020, 65, 1; 139-148
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New records of driftwood lichens in the Kaffiøyra Plain (NW Spitsbergen, Svalbard)
Autorzy:
Węgrzyn, Michał
Wietrzyk, Paulina
Adamska, Edyta
Nicia, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/2049635.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Arctic
Svalbard
lichen biota
lichenized fungi
lignicolous lichens
Źródło:
Polish Polar Research; 2015, 2; 189-195
0138-0338
2081-8262
Pojawia się w:
Polish Polar Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The pre-Taghanic (Givetian, Middle Devonian) ecosystems of Miłoszów (Holy Cross Mts, Poland)
Autorzy:
Halamski, Adam T.
Baliński, Andrzej
Racki, Grzegorz
Amler, Michael R. W.
Basse, Martin
Denayer, Julien
Dubicka, Zofia
Filipiak, Paweł
Kondas, Marcelina
Krawczyński, Wojciech
Mieszkowski, Radosław
Narkiewicz, Katarzyna
Olempska, Ewa
Wrzołek, Tomasz
Wyse Jacson, Patrick N.
Zapalski, Mikołaj K.
Zatoń, Michał
Kozłowski, Wojciech
Powiązania:
https://bibliotekanauki.pl/articles/2171821.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
stratigraphy
palaeoecology
biota
biodiversity
mesophotic
deeper shelf
climate
carbonate
Opis:
The middle and upper parts of the Skały Fm, Early to Middle Givetian in age, were investigated in four sections at Miłoszów Wood in the Łysogóry Region (northern region of the Holy Cross Mountains, central Poland). The dating is based on conodonts (Polygnathus timorensis Zone to the later part of the Polygnathus varcus/Polygnathus rhenanus Zone; early Polygnathus ansatus Zone cannot be excluded) and spores (Ex1–2 subzones) and, coupled with cartographic analysis and geophysical investigation, allows correlation within the strongly faulted succession. Significant lateral facies variations within the carbonate ramp depositional system in comparison with the better studied Grzegorzowice–Skały section, about 3 km distant, are documented, thanks to conodont-based correlation of both successions. Foraminifers, fungi, sponges, rugose and tabulate corals, medusozoans, microconchids and cornulitids, polychaetes (scolecodonts), molluscs (bivalves, rostroconchs, and gastropods), arthropods (trilobites and ostracods), bryozoans, hederelloids, ascodictyids, brachiopods, echinoderms (mostly crinoids, rare echinoids, holuthurians, and ophiocistoids), conodonts, fish, plants (prasinophytes, chlorophycophytes, and land plant spores), and acritarchs are present. Brachiopods are the most diverse phylum present (68 species), other richly represented groups are bryozoans and echinoderms; in contrast, cephalopods and trilobites are low in diversity and abundance. The muddy, middle to outer ramp biota (200 marine taxa, including 170 species of marine animals, 22 photoautotrophs, 6 forams) represents a mixture of allochthonous shallower-water communities (upper BA3), including storm- and possibly tsunami-affected coral mounds, and autochthonous deep-water soft-bottom brachiopod (e.g., Bifida–Echinocoelia) communities (BA 4–5). The richness and diversity of the Miłoszów biota is relatively high, comparable with other approximately coeval pre-Taghanic ecosystems during the Devonian climatic deterioration (cooling). Preliminary data indicate that in the Holy Cross Mountains, no large-scale replacement of brachiopod (and probably many other benthic ones, like crinoids) communities took place between the Early–Middle Givetian and the Early Frasnian, in contrast to the demise of the Hamilton/Upper Tully fauna in the Appalachian Basin. Such a similarity of pre- and post-Taghanic faunas does not exclude the occurrence of environmental perturbations and transient community turnovers, caused by immigrations during the Taghanic Biocrisis, but evidences the successful recovery of the indigenous biota.
Źródło:
Annales Societatis Geologorum Poloniae; 2022, 92, 4; 323--379
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pioneer colonization, evidenced by Rhizocorallium in the Middle Triassic of Poland
Autorzy:
Stachacz, Michał
Powiązania:
https://bibliotekanauki.pl/articles/27311290.pdf
Data publikacji:
2023
Wydawca:
Polskie Towarzystwo Geologiczne
Tematy:
trace fossils
bioturbation
Muschelkalk
Ichnotaxonomy
palaeoecology
post-extinction biota recovery
Opis:
A large collection of the trace fossil Rhizocorallium from the Middle Triassic of the Polish part of the Germanic Basin (Peri-Tethys) is analysed and their ichnotaxonomical classification presented. Special attention is given to the deep form of Rhizocorallium with a vertical retrusive spreite, filled with faecal pellets, with detailed documentation of this structure, based on isolated specimens and serial sections. This analysis also reveals ∩-shaped and deep, protrusive structures. A former interpretation of Rhizocorallium as a rapidly formed fugichnion is not followed here; instead, an interpretation of the trace fossil as a complex fodinichnion is proposed. Scavengers and their relation to crinoid meadows, as well as predators, are indicated as potential tracemakers of some Rhizocorallium. Although Rhizocorallium is common throughout the Middle Triassic, unusual forms and the domination of substrates by Rhizocorallium in general mostly occur in the transgressive system of the lowermost Muschelkalk, and in regressive, marginal facies of the lower Keuper. Such a distribution of unusual forms of Rhizocorallium is interpreted as representing opportunistic, pioneer burrow assemblages that developed during the long-term benthic recovery after the P-T crisis, or in unfavourable conditions generally. Moreover, dynamic conditions with mixed clastic-carbonate sedimentation and rapidly varying salinity promoted smooth transitions from Rhizocorallium to Diplocraterion. Similar successions of dominant trace-fossil assemblages, of comparable sizes, occur in many sections around the world and demonstrate the record of slow recovery that continued through the Middle Triassic. The illustrated record of evolution of the Middle Triassic Rhizocorallium assemblages in Poland documents the last two stages of benthos recovery after the P-T boundary. A similar situation is observed around the world and, in many cases, great abundance of Rhizocorallium seems to be an indication of pioneer burrowing in dynamic, unfavourable environments.
Źródło:
Annales Societatis Geologorum Poloniae; 2023, 93, 4; 363--379
0208-9068
Pojawia się w:
Annales Societatis Geologorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Contribution to the knowledge of fungi of the Kampinos National Park (Poland) with particular emphasis on the species occurring in burnt places
Autorzy:
Gierczyk, Błażej
Szczepkowski, Andrzej
Kujawa, Anna
Ślusarczyk, Tomasz
Zaniewski, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/952609.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
fungal biota
macromycetes
pyrophilous species
post-fre fungi
ascomycota
basidiomycota
poland
Opis:
The paper presents 32 species of macrofungi new to the Kampinos National Park, found during the studies on fire-damaged areas after the forest fires in 2015. Three species new to Poland were described and illustrated (Calycellina leucella, Exobasidium juelianum, and Gymnopilus decipiens). Four species from Polish red list of macrofungi have been recorded in the Kampinos National Park for the first time: Botryobasidium vagum (R), Geastrum coronatum (V), Helicogloea farinacea (E), Inonotus cuticularis (R). During the current studies 17 pyrophilous species new to the Kampinos National Park were found.
Źródło:
Acta Mycologica; 2017, 52, 1
0001-625X
2353-074X
Pojawia się w:
Acta Mycologica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Butyltins and phenyltins in biota and sediments from the Lagoon of Venice
Autorzy:
Bortoli, A.
Troncon, A.
Dariol, S.
Pellizzato, F.
Pavoni, B.
Powiązania:
https://bibliotekanauki.pl/articles/47897.pdf
Data publikacji:
2003
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
biota
estuarine ecosystem
phenyltin
Venice Lagoon
butyltin
sediment
organotin compound
contamination impact
Opis:
Sediments and organisms were sampled to determine organotin contents – butyltins (BTs) and phenyltins (PhTs) – at 12 locations in an estuarine ecosystem, the Lagoon of Venice, characterised by varying contamination impacts. The results showed that organotin contamination in sediments is at lower levels, ranging from 2.5±0.1 to 84±1 ng g−1 (d.w.) for ΣBTs and from 0.8±0.2 to 7±1 ng g−1 (d.w.), for ΣPHTs, than in organisms, where the highest concentrations were found in filter feeders like mussels – from 60±3 to 7632±148 ng g−1 (d.w.) for ΣBTs and from 0.80±0.01 to 4005±121 ng g−1 (d.w.) for ΣPHTs. The possible risk to human health was assessed on the basis of the consumption of edible species sampled in some areas of the lagoon.
Źródło:
Oceanologia; 2003, 45, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Local catastrophe caused by tephra input near Přemyslovice (Moravia, Czech Republic) during the Middle Miocene
Autorzy:
Zágoršek, K.
Nehyba, S.
Petrová, P. T.
Hladilová, S.
Bittner, M. A.
Doláková, N.
Hrabovský, J.
Jašková, V.
Powiązania:
https://bibliotekanauki.pl/articles/2058991.pdf
Data publikacji:
2012
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Middle Miocene
Carpathian Foredeep
Moravia
tephra fallout
succession of biota
Czech Republic
Opis:
Colonization by marine organisms such as foraminifers, molluscs, bryozoans, brachiopods and red algae during the Middle Miocene (Early Badenian) transgression near Přemyslovice (Carpathian Foredeep) was initially affected by a cool water current of unclear origin. However, shortly afterwards, fallout of volcanic material caused a total termination of the biota. After this catastrophe, the biota started recolonize the area. The succeeding association, adopted to warm-water input, is characteristic of the climatic optimum during the Early Badenian and is comparable with those of other sections referred to this interval in the Carpathian Foredeep (such as Kralice nad Oslavou, Podbřežice, and Hluchov).
Źródło:
Geological Quarterly; 2012, 56, 2; 269-284
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 33

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