Titlebook: Global Bio-Events; A Critical Approach. Otto H. Walliser Conference proceedings 1986 Springer-Verlag Berlin Heidelberg 1986 Bryozoa.Gebirge

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書目名稱Global Bio-Events影響因子(影響力)

書目名稱Global Bio-Events影響因子(影響力)學(xué)科排名

書目名稱Global Bio-Events網(wǎng)絡(luò)公開度

書目名稱Global Bio-Events網(wǎng)絡(luò)公開度學(xué)科排名

書目名稱Global Bio-Events被引頻次

書目名稱Global Bio-Events被引頻次學(xué)科排名

書目名稱Global Bio-Events年度引用

書目名稱Global Bio-Events年度引用學(xué)科排名

書目名稱Global Bio-Events讀者反饋

書目名稱Global Bio-Events讀者反饋學(xué)科排名

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Ordovician-Silurian boundary event in Bohemia (Prague Basin-Barrandian area),y sections in detail. There, the late Ordovician and the Ordovician-Silurian boundary sequences are marked by abrupt changes in the facies development and the faunal assemblages, which could well be explained by glacio-eustatic movements of sea-level, with associated environmental changes. The sudde

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Early Ordovician eustatic cycles and their bearing on punctuations in early nematophorid (planktic)ric clades, and punctualistic (anagenetic) changes operating on suprageneric levels. Anagenetic characteristics, such as loss of bithecae and reduction of first order stipes (progressive atrophies from quadriradiate, through triradiate to biradiate organizational schemes) are achieved polyphyletical

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Reflection of possible global Devonian events in the Barrandian area, C.S.S.R.,ortant ones are the following: the Lochkovian-Pragian Boundary Event (regressive), the Dalejan Event (transgressive and gradual), the Basal Chote? Event (transgressive, rather quick), and the Ka?ák Event (transgressive, abrupt). These events, clearly expressed in lithology and fossil content, are pr

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https://doi.org/10.1007/978-3-642-11855-5ents; (2) radiation-events; (3) spreading-events; (4) extinction-events with stepwise or/and contemporaneous, rapid extinctions..Probable causes for global bio-events are (1) cosmic causes, such as (1a) changes caused by the revolution of the solar‘s system within the Galaxy and (1b) impact of cosmi

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