Journal
JOURNAL OF THEORETICAL BIOLOGY
Volume 267, Issue 2, Pages 193-200Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jtbi.2010.08.015
Keywords
Extinction; Diversification; Recovery; Mean field model; Fossil record
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Funding
- FIS [2004-05442]
- McDonnell Foundation
- Santa Fe Institute
- Thaw Cheritable Trust
- ICREA Funding Source: Custom
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Biotic recoveries following mass extinctions are characterized by a complex set of dynamics, including the rebuilding of whole ecologies from low-diversity assemblages of survivors and opportunistic species. Three broad classes of diversity dynamics during recovery have been suggested: an immediate linear response, a logistic recovery, and a simple positive feedback pattern of species interaction. Here we present a simple model of recovery which generates these three scenarios via differences in the extent of species interactions, thus capturing the dynamical logic of the recovery pattern. The model results indicate that the lag time to biotic recovery increases significantly as biotic interactions become more important in the recovery process. (C) 2010 Elsevier Ltd. All rights reserved.
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