2012
DOI: 10.1371/journal.pone.0051488
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Reconsidering the Specialist-Generalist Paradigm in Niche Breadth Dynamics: Resource Gradient Selection by Canada Lynx and Bobcat

Abstract: The long-standing view in ecology is that disparity in overall resource selection is the basis for identifying niche breadth patterns, with species having narrow selection being classified “specialists” and those with broader selection being “generalists”. The standard model of niche breadth characterizes generalists and specialists as having comparable levels of overall total resource exploitation, with specialists exploiting resources at a higher level of performance over a narrower range of conditions. This… Show more

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Cited by 78 publications
(72 citation statements)
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“…lower temperatures, higher snow cover and snow depth), which is better suited to lynx presence [27]. It follows that exploitative and/or interference competition probably limits lynx survival or productivity in the warmer, low-elevation extremes of their tolerability.…”
Section: Discussionmentioning
confidence: 99%
“…lower temperatures, higher snow cover and snow depth), which is better suited to lynx presence [27]. It follows that exploitative and/or interference competition probably limits lynx survival or productivity in the warmer, low-elevation extremes of their tolerability.…”
Section: Discussionmentioning
confidence: 99%
“…occurrence, density) than generalists under a subset of relatively stable resources (Fig. 1b and c;Devictor et al, 2010;Peers et al, 2012). Narrower niches render specialists more prone to be negatively affected by habitat degradation and fragmentation, than generalists (Clavel et al, 2011).…”
Section: Introductionmentioning
confidence: 96%
“…Presumably, a high variance in the availability and the quality of host resources would be favorable for parasitoids presenting a generalist strategy. Similarly, a prevalence of specialist behavior could be expected in a stable environment (Peers et al 2012). Furthermore, a decrease in preferred resources could lead to an expansion of niche breadth, as individuals tend to accept previously unutilized resources (Araujo et al 2011).…”
Section: Introductionmentioning
confidence: 99%