Title |
To what extent does Tobler's 1st law of geography apply to macroecology? A case study using American palms (Arecaceae)
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Published in |
BMC Ecology and Evolution, May 2008
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DOI | 10.1186/1472-6785-8-11 |
Pubmed ID | |
Authors |
Stine Bjorholm, Jens-Christian Svenning, Flemming Skov, Henrik Balslev |
Abstract |
Tobler's first law of geography, 'Everything is related to everything else, but near things are more related than distant things' also applies to biological systems as illustrated by a general and strong occurrence of geographic distance decay in ecological community similarity. Using American palms (Arecaceae) as an example, we assess the extent to which Tobler's first law applies to species richness and species composition, two fundamental aspects of ecological community structure. To shed light on the mechanisms driving distance decays in community structure, we also quantify the relative contribution of geographic distance per se and environmental changes as drivers of spatial turnover in species richness and composition. |
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