3/10/2024 0 Comments The silver devil teresa denys epubFinally, individual specialization has potentially important ecological, evolutionary, and conservation implications. The degree of individual specialization varies widely among species and among populations, reflecting a diverse array of physiological, behavioral, and ecological mechanisms that can generate intrapopulation variation. Although few studies have quantified the degree to which individuals are specialized relative to their population, between‐individual variation can sometimes comprise the majority of the population’s niche width. Evidence for individual specialization is available for 93 species distributed across a broad range of taxonomic groups. This article reviews the incidence, degree, causes, and implications of individual‐level niche variation to challenge these simplifications. This simplification is only justified if interindividual niche variation is rare, weak, or has a trivial effect on ecological processes. ![]() ![]() Most empirical and theoretical studies of resource use and population dynamics treat conspecific individuals as ecologically equivalent.
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