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Demographic and habitat requirements for conservation of bull trout

Author(s):

Bruce E. Rieman
John D. Mclntyre

Year:

1993

Publication type:

General Technical Report (GTR)

Primary Station(s):

Rocky Mountain Research Station

Historical Station(s):

Intermountain Forest Experiment Station

Source:

Gen. Tech. Rep. INT-302. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 38 p.

Description

Elements in bull trout biology, population dynamics, habitat, and biotic interactions important to conservation of the species are identified. Bull trout appear to have more specific habitat requirements than other salmonids, but no critical thresholds of acceptable habitat condition were found. Size, temporal variation, and spatial distribution are likely to influence the stability of local and regional populations. Disruption of key habitat characteristics threatens the persistence of local populations, and isolated populations are not likely to persist indefinitely. Conservation of bull trout will require maintenance or restoration of multiple, high-quality, connected habitats distributed throughout conservation areas, which in turn should be distributed throughout the species' range.

Citation

Rieman, Bruce E.; Mclntyre, John D. 1993. Demographic and habitat requirements for conservation of bull trout. Gen. Tech. Rep. INT-GTR-302. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 38 p.

Cited

Publication Notes

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
https://www.fs.usda.gov/treesearch/pubs/29778