publication . Article . Other literature type . 2004

Stable isotopes as measures of niche width

BEARHOP, STUART; ADAMS, COLIN E.; WALDRON, SUSAN; FULLER, RICHARD A.; MACLEOD, HAZEL;
Open Access
  • Published: 18 Aug 2004 Journal: Journal of Animal Ecology, volume 73, pages 1,007-1,012 (issn: 0021-8790, Copyright policy)
  • Publisher: Wiley
  • Country: India
Abstract
1. Although conceptually robust, it has proven difficult to find practical measures of niche width that are simple to obtain, yet provide an adequate descriptor of the ecological position of the population examined. 2. Trophic niche has proven more tractable than other niche dimensions. However, indices used as a proxy for trophic niche width often suffer from the following difficulties. Such indices rarely lie along a single scale making comparisons between populations or species difficult; have difficulty in combining dietary prey diversity and evenness in an ecologically meaningful way; and fail to integrate diet over ecological time-scales thus usually only ...
Subjects
free text keywords: Species evenness, Ecological niche, Ecology, Isotope analysis, Biology, Niche, Generalist and specialist species, Population, education.field_of_study, education, Predation, Trophic level, Botany, QH301
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