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Trends Ecol Evol. 2010 Mar;25(3):153-60. doi: 10.1016/j.tree.2009.10.001. Epub 2009 Oct 29.

Balancing biodiversity in a changing environment: extinction debt, immigration credit and species turnover.

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  • 1Department of Botany, University of Wyoming, Laramie, WY 82071, USA. Jackson@uwyo.edu

Abstract

Here, we outline a conceptual framework for biodiversity dynamics following environmental change. The model incorporates lags in extinction and immigration, which lead to extinction debt and immigration credit, respectively. Collectively, these concepts enable a balanced consideration of changes in biodiversity following climate change, habitat fragmentation and other forcing events. They also reveal transient phenomena, such as biodiversity surpluses and deficits, which have important ramifications for biological conservation and the preservation of ecosystem services. Predicting such transient dynamics poses a serious conservation challenge in a time of rapid environmental change.

PMID:
19879014
DOI:
10.1016/j.tree.2009.10.001
[PubMed - indexed for MEDLINE]
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