Paleophysiology and End-Permian Mass Extinction

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Paleophysiology and End-Permian Mass Extinction

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Title: Paleophysiology and End-Permian Mass Extinction
Author: Knoll, Andrew; Fischer, Woodward W.; Pruss, Sara; Payne, Jonathan L.; Bambach, Richard K.

Note: Order does not necessarily reflect citation order of authors.

Citation: Knoll, Andrew H., Richard K. Barnbach, Jonathan L. Payne, Sara Pruss, and Woodward W. Fischer. 2007. Paleophysiology and end-Permian mass extinction. Earth and Planetary Science Letters 256, no. 3-4: 295-313.
Access Status: At the direction of the depositing author this work is not currently accessible through DASH.
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Abstract: Physiological research aimed at understanding current global change provides a basis for evaluating selective survivoyship associated with Permo-Triassic mass extinction. Comparative physiology links paleontological and palcoenvironmental observations, supporting the hypothesis that an end-Permian trigger, most likely Siberian Trap volcanism, touched off a set of physically-l inked perturbations that acted synergistically to disrupt the metabolisms of latest Permian organisms. Global wan-ning, anoxia, and toxic sulfide probably all contributed to end-Permian mass mortality, but hypercapnia (physiological effects of elevated P-CO2) best accounts for the selective survival of marine invertebrates. Paleophysiological perspectives further suggest that persistent or recurring hypercapnia/global warmth also played a principal role in delayed Triassic recovery. More generally, physiology provides an important way of paleobiological knowing in the age of Earth system science.
Published Version: http://dx.doi.org/10.1016/j.epsl.2007.02.018
Other Sources: http://pangea.stanford.edu/~jlpayne/Knoll%20et%20al%202007%20EPSL%20Permian%20Triassic%20paleophysiology.pdf
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:3196092

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  • FAS Scholarly Articles [6948]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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