Hicks, B. J., Hall, J. D., Bisson, P. A. & Sedell, J. R. (1991). Responses of salmonids to habitat changes. In W.R. Meehan (Ed.), Influences of Forest and Rangeland Management on Salmonid Habitat: American Fisheries Society Special Publication 19 (pp 483-518). Bethesda, Maryland: American Fisheries Society.
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Streams in western North America provide spawning and rearing habitats for several species of salmon and trout that are of substantial economic importance in the region. Timber that grows on lands through which these streams flow is also economically important, and its harvest can substantially change habitat conditions and aquatic production in salmonid streams. Undisturbed forests, the streams that flow through them, and the salmonid communities in these streams have intrinsic scientific, genetic, and cultural values in addition to their economic importance. The complex relations between salmonids and their physical environment, and the changes in these relations brought about by timber harvest, have been investigated extensively (see the bibliography by Macdonald et al. 1988). However, in spite of considerable evidence of profound changes in channel morphology and in light, temperature, and flow regimes associated with timber harvests, much uncertainty exists about the responses of salmonids to these changes.
American Fisheries Society