The island–mainland species turnover relationship

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The island–mainland species turnover relationship

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Title: The island–mainland species turnover relationship
Author: Stuart, Yoel Eli; Losos, Jonathan; Algar, Adam C.

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

Citation: Stuart, Yoel E., Jonathan B. Losos, and Adam C. Algar. 2012. The island–mainland species turnover relationship. Proceedings of the Royal Society B: Biological Sciences 279(1744): 4071-4077.
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Abstract: Many oceanic islands are notable for their high endemism, suggesting that islands may promote unique assembly processes. However, mainland assemblages sometimes harbour comparable levels of endemism, suggesting that island biotas may not be as unique as is often assumed. Here, we test the uniqueness of island biotic assembly by comparing the rate of species turnover among islands and the mainland, after accounting for distance decay and environmental gradients. We modelled species turnover as a function of geographical and environmental distance for mainland (M–M) communities of Anolis lizards and Terrarana frogs, two clades that have diversified extensively on Caribbean islands and the mainland Neotropics. We compared mainland–island (M–I) and island–island (I–I) species turnover with predictions of the M–M model. If island assembly is not unique, then the M–M model should successfully predict M–I and I–I turnover, given geographical and environmental distance. We found that M–I turnover and, to a lesser extent, I–I turnover were significantly higher than predicted for both clades. Thus, in the first quantitative comparison of mainland–island species turnover, we confirm the long-held but untested assumption that island assemblages accumulate biodiversity differently than their mainland counterparts.
Published Version: doi:10.1098/rspb.2012.0816
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3427569/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:11726261
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