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Niche Breadth, Resource Availability, and Inference

Eric P. Smith
Ecology
Vol. 63, No. 6 (Dec., 1982), pp. 1675-1681
Published by: Wiley
DOI: 10.2307/1940109
Stable URL: http://www.jstor.org/stable/1940109
Page Count: 7
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Niche Breadth, Resource Availability, and Inference
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Abstract

Measures of niche breadth are discussed in relation to the distance between the resource use distribution and the resource availability distribution. Methods are developed for comparing breadth measures, testing a breadth measure equal to a given value, and for estimating confidence intervals. A new breadth measure is presented which has good statistical properties and is related to some commonly used niche overlap measures.

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