Functional changes in littoral macroinvertebrate communities in response to watershed-level anthropogenic stress

Katya E. Kovalenko, Valerie J. Brady, Jan J.H. Ciborowski, Sergey Ilyushkin, Lucinda B. Johnson

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Watershed-scale anthropogenic stressors have profound effects on aquatic communities. Although several functional traits of stream macroinvertebrates change predictably in response to land development and urbanization, little is known about macroinvertebrate functional responses in lakes. We assessed functional community structure, functional diversity (Rao's quadratic entropy) and voltinism in macroinvertebrate communities sampled across the full gradient of anthropogenic stress in Laurentian Great Lakes coastal wetlands. Functional diversity and voltinism significantly decreased with increasing development, whereas agriculture had smaller or non-significant effects. Functional community structure was affected by watershed-scale development, as demonstrated by an ordination analysis followed by regression. Because functional community structure affects energy flow and ecosystem function, and functional diversity is known to have important implications for ecosystem resilience to further environmental change, these results highlight the necessity of finding ways to remediate or at least ameliorate these effects.

Original languageEnglish (US)
Article numbere101499
JournalPloS one
Volume9
Issue number7
DOIs
StatePublished - Jul 9 2014

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functional diversity
Watersheds
macroinvertebrates
Ecosystems
Lakes
community structure
Wetlands
Agriculture
Ecosystem
aquatic communities
Entropy
energy flow
Great Lakes
entropy
urbanization
Urbanization
wetlands
land use
agriculture
lakes

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Functional changes in littoral macroinvertebrate communities in response to watershed-level anthropogenic stress. / Kovalenko, Katya E.; Brady, Valerie J.; Ciborowski, Jan J.H.; Ilyushkin, Sergey; Johnson, Lucinda B.

In: PloS one, Vol. 9, No. 7, e101499, 09.07.2014.

Research output: Contribution to journalArticle

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