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- W4321782640 endingPage "1070.e4" @default.
- W4321782640 startingPage "1059" @default.
- W4321782640 abstract "The history of Earth's biodiversity is punctuated episodically by mass extinctions. These are characterized by major declines of taxon richness, but the accompanying ecological collapse has rarely been evaluated quantitatively. The Permian-Triassic mass extinction (PTME; ∼252 mya), as the greatest known extinction, permanently altered marine ecosystems and paved the way for the transition from Paleozoic to Mesozoic evolutionary faunas. Thus, the PTME offers a window into the relationship between taxon richness and ecological dynamics of ecosystems during a severe extinction. However, the accompanying ecological collapse through the PTME has not been evaluated in detail. Here, using food-web models and a marine paleocommunity dataset spanning the PTME, we show that after the first extinction phase, community stability decreased only slightly despite the loss of more than half of taxonomic diversity, while community stability significantly decreased in the second phase. Thus, taxonomic and ecological changes were unequivocally decoupled, with species richness declining severely ∼61 ka earlier than the collapse of marine ecosystem stability, implying that in major catastrophes, a biodiversity crash may be the harbinger of a more devastating ecosystem collapse." @default.
- W4321782640 created "2023-02-25" @default.
- W4321782640 creator A5010921521 @default.
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- W4321782640 creator A5049013639 @default.
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- W4321782640 creator A5062385838 @default.
- W4321782640 date "2023-03-01" @default.
- W4321782640 modified "2023-10-17" @default.
- W4321782640 title "The stability and collapse of marine ecosystems during the Permian-Triassic mass extinction" @default.
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