Integrating biogeography with contemporary niche theory
There is no consensus on when biotic interactions impact the range limits of species. Starting from MacArthur's use of invasibility to understand how biotic interactions influence coexistence, here we examine how biotic interactions shape species distributions. Range limits emerge from how birth, death, and movement rates vary with the environment. We clarify some basic issues revolving around niche definitions, illustrated with simple resource-consumer theory. We then highlight two different avenues for linking community theory and range theory; the first based on calculating the effects of biotic interactions on range limits across scales and landscape configurations, and the second based on aggregate measures of diffuse interactions and network strength. We conclude with suggestions for a future research agenda.... [Show full abstract]
Keywordsrange limits; biotic interactions; invasion criteria; coexistence theory; fundamental niche; realized niche; species’ distributions; Evolutionary Biology; Environment; Ecosystem; Models, Biological
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