Mary Ann Cunningham and Douglas H. Johnson Habitat selection and ranges of tolerance: how do species differ beyond critical thresholds? Ecology and Evolution 2
We examined patterns of bird species occurrence with increasing amounts of tree cover, beyond initial thresholds of occurrence. While thresholds can be important indicators, patterns beyond thresholds distinguish habitat needs in greater detail: some species were non-selective beyond a moderate amount of tree cover; some selected mixed landscapes; some strongly preferred abundant tree cover at multiple scales. Preferred ranges further indicate degrees of sensitivity to habitat loss and fragmentation.
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