© Koninklijke Brill NV, Leiden, 2009 DOI 10.1163/157075609X417107 Animal Biology 59 (2009) 67–85 www.brill.nl/ab Spatial and temporal variability of ﬁ sh communities of the Upper Mississippi River, USA Ayhan Yildirim 1 , Mark A. Pegg 2 1 University of Ataturk, Ispir Hamza Polat Vocational School, Ispir, Erzurum, 25900 Turkey e-mail: firstname.lastname@example.org 2 University of Nebraska, School of Natural Resources, 402 Hardin Hall Lincoln, NE, 68583 USA e-mail: email@example.com Abstract Fish community structure, morphological characteristics, functional composition, and life history attributes in relation to three aquatic habitats, backwater shoreline (BWS), main channel borders (MCB), and side channel borders (SCB) in Pool 4 of the Upper Mississippi River System (UMRS) were assessed. Fish communities were sampled annually using standardized electroﬁ shing techniques from 1994 to 2004. We found signiﬁ cant diﬀ erences in community composition and abundance, and the clearest pat- tern was that diversity and ﬁ sh community structure in BWS were diﬀ erent from those in both MCB and SCB. We also found morphological characteristics, functional composition, and life-history diﬀ erences among the habitats, with ﬁ sh communities from BWS having a number of diﬀ erent characteristics from both MCB and SCB. Temporal changes in ﬁ sh abundance,
Animal Biology – Brill
Published: Jan 1, 2009
Keywords: AQUATIC HABITAT; FISH COMMUNITY ECOLOGY; SPECIES RICHNESS; MISSISSIPPI RIVER
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