2022
DOI: 10.1038/s41467-022-35283-5
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Increases in reef size, habitat and metacommunity complexity associated with Cambrian radiation oxygenation pulses

Abstract: Oxygenation during the Cambrian Radiation progressed via a series of short-lived pulses. However, the metazoan biotic response to this episodic oxygenation has not been quantified, nor have the causal evolutionary processes been constrained. Here we present ecological analyses of Cambrian archaeocyath sponge reef communities on the Siberian Platform (525–514 Ma). During the oxic pulse at ~521–519 Ma, we quantify reef habitat expansion coupled to an increase in reef size and metacommunity complexity, from indiv… Show more

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Cited by 11 publications
(12 citation statements)
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“…1C) ( 28 30 ). This epeiric basin supported a single metacommunity of reef-building metazoans, i.e., a single species pool consisting of many local, interacting communities without immigration from elsewhere ( 21 ). The inner area of the Siberian Craton in the (present day) southwest area consisted of shallow marine carbonates together with thick evaporites and minor siliciclastics, known as the Turukhansk-Irkutsk-Olekma carbonate platform.…”
Section: Resultsmentioning
confidence: 99%
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“…1C) ( 28 30 ). This epeiric basin supported a single metacommunity of reef-building metazoans, i.e., a single species pool consisting of many local, interacting communities without immigration from elsewhere ( 21 ). The inner area of the Siberian Craton in the (present day) southwest area consisted of shallow marine carbonates together with thick evaporites and minor siliciclastics, known as the Turukhansk-Irkutsk-Olekma carbonate platform.…”
Section: Resultsmentioning
confidence: 99%
“…( C ) Uranium isotopes from Siberia (gray; Sukharikha and Bol’shaya Kuonamka rivers), South China (blue), and Morocco (orange) (all data points are larger than 2 SE) ( 19 ). ( D ) Archaeocyath sponge species α-, β-, and γ-diversity ( 21 ). ( E ) Rates of archaeocyath sponge species origination and extinction ( 24 ).…”
Section: Resultsmentioning
confidence: 99%
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