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首页> 外文期刊>Mineralia Slovaca >Associations of calcareous microplankton in Upper Jurassic and Lower Cretaceous paleoenvironments of the Western Carpathians: Tools for biostratigraphy, paleoecology and paleoceanography
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Associations of calcareous microplankton in Upper Jurassic and Lower Cretaceous paleoenvironments of the Western Carpathians: Tools for biostratigraphy, paleoecology and paleoceanography

机译：西喀尔巴阡上侏罗纪和下白垩纪古环境的钙质微浮游生物的协会：生物地层学，古生态学和古海洋学的工具

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摘要

Contribution brings summary about distribution of three groups of calcareous microplankton (calpionellids. calcareous dinoflagellates and calcareous nannofossils) in the Upper Jurassic and Early Cretaceous pelagic sedimentary sequences in the Western Carpathians. In the studied Western Carpathian sequences, the mass abundance of these microfossils was closely connected predominantly with shallow intrashelf basins and its elevated ridges. Calpionellids. calcareous dinoflagellate and nannofossils bio-events emphasize the potential of these planktonic groups as proxies in paleoecology and paleoceanography. It seems, that their successive events may coincide with whole complex of environmental changes. These are clearly reflected in alternating relative abundance of species, species variability and assemblage diversity and also with the structural composition of their tests.
机译：贡献总结了西喀尔巴阡地区上侏罗统和早白垩世上层沉积层序中三组钙质微浮游生物（钙磷，钙碳鞭毛虫和钙质纳米化石）的分布。在研究的喀尔巴阡山脉西部序列中，这些微化石的质量丰度主要与浅的陆架内部盆地及其抬高的山脊紧密相连。瓢虫。钙质鞭毛藻和纳米化石的生物事件强调了这些浮游生物作为古生态学和古海洋学代理的潜力。似乎他们的接连事件可能与环境变化的整体复杂性相吻合。这些清楚地反映在物种的相对相对丰度，物种变异性和组合多样性以及其测试的结构组成上。

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