Patterns of fish assemblage structure and habitat use among main- and side-channel environments in the lower Kootenai River, Idaho

Transactions of the American Fisheries Society
By: , and 

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Abstract

The lower Kootenai River, Idaho, was sampled during the summers of 2012 and 2013 to evaluate its fish assemblage structure at seven sites within main- and side-channel habitats where large-scale habitat rehabilitation was undertaken. Understanding the current patterns of fish assemblage structure and their relationships with habitat is important for evaluating the effects of past and future rehabilitation projects on the river. Species-specific habitat associations were modeled, and the variables that best explained the occurrence and relative abundance of fish were identified in order to guide future habitat rehabilitation so that it benefits native species. The results indicated that the side-channel habitats supported higher species richness than the main-channel habitats and that nonnative fishes were closely associated with newly rehabilitated habitats. This research provides valuable insight on the current fish assemblages in the Kootenai River and the assemblage-level responses that may occur as a result of future rehabilitation activities.

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Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Patterns of fish assemblage structure and habitat use among main- and side-channel environments in the lower Kootenai River, Idaho
Series title Transactions of the American Fisheries Society
DOI 10.1080/00028487.2015.1069756
Volume 144
Issue 6
Year Published 2015
Language English
Publisher American Fisheries Society
Contributing office(s) Coop Res Unit Seattle
Description 16 p.
First page 1340
Last page 1355
Country United States
State Idaho
Other Geospatial Kootenai River
Online Only (Y/N) N
Additional Online Files (Y/N) N