Relationship of fish and macroinvertebrate assemblages to environmental factors: implications for community concordance

Infante, DM, Allan, JD, Linke, S and Norris, RH (2009) Relationship of fish and macroinvertebrate assemblages to environmental factors: implications for community concordance. HYDROBIOLOGIA, 623 1: 87-103. doi:10.1007/s10750-008-9650-3


Author Infante, DM
Allan, JD
Linke, S
Norris, RH
Title Relationship of fish and macroinvertebrate assemblages to environmental factors: implications for community concordance
Journal name HYDROBIOLOGIA   Check publisher's open access policy
ISSN 0018-8158
Publication date 2009-05
Year available 2008
Sub-type Article (original research)
DOI 10.1007/s10750-008-9650-3
Volume 623
Issue 1
Start page 87
End page 103
Total pages 16
Place of publication Netherlands
Publisher Springer Netherlands
Language eng
Subject C1
9606 Environmental and Natural Resource Evaluation
060202 Community Ecology(excl. Invasive Species Ecology)
Abstract Community concordance describes similarity in distributions and abundances of organisms from different taxonomic groups across a region of interest, with highly concordant communities assumed to respond similarly to major environmental gradients, including anthropogenic stressors. While few studies have explicitly tested for concordance among stream-dwelling organisms, it frequently is assumed that both macroinvertebrates and fish respond in concert to environmental factors, an assumption that has implications for their management. We investigated concordance among fish and macroinvertebrates from tributaries of two catchments in southeastern Michigan having varied landscape characteristics. Classifications of fish and macroinvertebrate assemblages resulted in groups distinguished by differences in taxonomic characteristics, functional traits, and stressor tolerance of their respective dominant taxa. Biological groups were associated with principal landscape gradients of the study region, which ranged from forests and wetlands on coarse surficial geology to agricultural lands on finer, more impervious surficial geology. Measures of stream habitat indicated more stable stream flows and greater heterogeneity of conditions at site groups with catchments comprising forests and wetlands on the coarsest geology, but did not distinguish well among remaining site groups, suggesting that habitat degradation may not be the driving mechanism leading to differences in groups. Despite broadly similar interpretations of relationships of site groups with landscape characteristics for both fish and macroinvertebrates, examination of site representation within groups indicated weak community concordance. Our results suggest that explicit responses of fish and macroinvertebrates to landscape factors vary, due to potential differences in their susceptibility to controls or to differences in the scale at which landscape factors influence these organisms.
Keyword Stream
MULTIPLE SPATIAL SCALES
Q-Index Code C1
Q-Index Status Provisional Code

Document type: Journal Article
Sub-type: Article (original research)
Collections: AEDA Publications
Spatial Ecology Lab Publications
School of Biological Sciences Publications
 
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Created: Thu, 03 Sep 2009, 08:51:12 EST by Mr Andrew Martlew on behalf of School of Biological Sciences