期刊
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
卷 288, 期 1957, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rspb.2021.1342
关键词
biogeography; climate; simulation; biodiversity; fossil; provinciality
资金
- Deutsche Forschungsgemeinschaft [Ko 5382/1-1, Ko 5382/1-2, Ko 5382/2-1, KI 806/16-1, AB 109/11-1]
- embedded in the Research Unit TERSANE [FOR 2332]
- PALEOMAP Project Industrial Consortium
The formation of biogeographic provinces is influenced by abiotic environmental fluctuations, with changes in continental distribution having predictable effects on the evolution of marine provinciality. The latitudinal temperature gradient has been twice as important as continental configuration in determining marine provinciality.
Amidst long-term fluctuations of the abiotic environment, the degree to which life organizes into distinct biogeographic provinces (provinciality) can reveal the fundamental drivers of global biodiversity. Our understanding of present-day biogeography implies that changes in the distribution of continents across climatic zones have predictable effects on habitat distribution, dispersal barriers and the evolution of provinciality. To assess marine provinciality through the Phanerozoic, here we (a) simulate provinces based on palaeogeographic reconstructions and global climate models and (b) contrast them with empirically derived provinces that we define using network analysis of fossil occurrences. Simulated and empirical patterns match reasonably well and consistently suggest a greater than 15% increase in provinciality since the Mesozoic era. Although both factors played a role, the simulations imply that the effect of the latitudinal temperature gradient has been twice as important in determining marine provinciality as continental configuration.
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