1. 
   Equitability
   Evenness of distribution of species abundance patterns; maximum equitability occurs when all species are represented by the same number of individuals.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   Equitability
   The evenness with which individuals are distributed among species in a community.
   Found op http://www.blackwellpublishing.com/Townsend/Glossary/GlossaryE.html
   
   
3. 
   Equitability
   (1) evenness relative to any specific standard or model of species abundance (Peet 1970:288); (2) uniformity of abundance in an assemblage of species. Equitability is greatest when all species are equally numerous (Ricklefs 1970:869) (syn. evenness).
   Found op http://www.npwrc.usgs.gov/resource/literatr/avian/glossary.htm
   
   

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