Journal
ECOGRAPHY
Volume 43, Issue 3, Pages 387-390Publisher
WILEY
DOI: 10.1111/ecog.04828
Keywords
distributional ecology; Hutchinsonian niche; niche centrality hypothesis
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Funding
- University of Florida Foundation
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Environmental factors control spatial distributions and local abundances in distinct - but overlapping - ways. Osorio-Olivera et al. examine when environments near the geometric center of a species' ecological niche - which they assume to be optimal for growth when rare - also harbor the greatest number of individuals on average at equilibrium, and when not. Transient dynamics, Allee effects and metapopulation dynamics can cloud this relationship. In this brief piece I sketch a number of further ways in which this relationship can break down, including asymmetry in the shape of the niche, spatial variation in density dependence, and nonlinear feedbacks with the environment.
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