Evol Ecol Res 16: 285-289 (2014)     Full PDF if your library subscribes.

Impacts of global warming, habitat loss, and homogenization on global biodiversity

Michael L. McKinney

Earth and Planetary Sciences, University of Tennessee. Knoxville, Tennessee, USA

Correspondence: M.L. McKinney, Earth and Planetary Sciences, University of Tennessee. Knoxville, TN 37916, USA.
e-mail: mmckinne@utk.edu


Background: Rosenzweig and colleagues (2013) utilized a species–area approach to examine the impacts of anthropogenic habitat loss and loss of geographic barriers on the future of global terrestrial vertebrate biodiversity. Their study included temperature, but with variation over space and not time. Patterns in the fossil record indicate that global biodiversity tended to track global temperature changes, with higher diversity associated with higher temperatures.

Goal: Examine the added impact of global warming on biodiversity.

Method: Use a range of predicted temperature increases based on estimates from the National Research Council (NRC, 2010).

Results: Global warming (especially at higher levels) may, over evolutionary time scales, mitigate the biodiversity losses caused by other impacts of human activity, such as loss of habitat and geographic barriers.

Keywords: biodiversity, global warming, habitat loss, homogenization.

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