Definition of "evenness" [e•ven•ness]

• The quality of being even. (noun)

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• "But the research by Crowder, an insect ecologist at Washington State University in Pullman, and his colleagues, shows the importance of 'evenness' - the relative abundance of different species."
• "The researchers focus on the concept of "evenness" -- the relative abundance of different species, including predators and pests, in a farm's ecosystem."
• "Until now the presumed equal balance between up and down costing just meant no real loss to consumers, business, or government; although some arguments have been put forward that the evenness is a myth and the actual cost of doing this weighs heavily on the spender."