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Relationship between evenness and body size in species rich assemblages

Research output: Contribution to journalArticle

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Abstract

Evenness is a key measure of community structure. Here, we examine the relationship between evenness and size-abundance distributions for both individuals and species using data gathered from Amazonian fish assemblages. We show that evenness increases as the fraction of numerically abundant species in larger body-size classes rises. As any processes that enable larger bodied species to increase their numerical dominance will influence evenness, these results help explain why evenness is an important correlate of ecosystem function.

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Original languageEnglish
Article number20130856
Number of pages4
JournalBiology Letters
Volume9
Issue number6
DOIs
StatePublished - 23 Dec 2013

    Research areas

  • diversity, relative abundance, varzea, freshwater fish, community structure, ABUNDANCE DISTRIBUTIONS, DIVERSITY, COMMUNITIES, BIODIVERSITY, GRADIENTS, AMAZON, FISH, FRAMEWORK, PATTERNS

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