Chesson's index

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Chesson's Index refers to a lookup table of feeding selectivity described by Jean Chesson in the early 1980s.[1] and, according to a 2006 book, is based on ecologist Dr. Bryan F. J. Manly's "alpha section index which allows to rank plants in order according to frequency in the diet.[2][3] This index is intended to show whether a preference for a food item or resource exists by comparing the availability and use of that food item. The use of this index has been widespread with more than 400 citations in the scientific literature.[4]


  1. ^ Chesson, J. 1983
  2. ^ New Perspectives in the Study of Mesoamerican Primates: Distribution, Ecology, Behavior, and Conservation. Springer Publishing. 2006. pp. 197–209. ISBN 0387258728. Retrieved September 29, 2015. 
  3. ^ The Estimation and Analysis of Preference and Its Relationship to Foraging Models. Ecology. 64 (5): 1297-1304.
  4. ^ ISI Web of Science Search 5 Feb 2009