Bull Trout Life History, Genetics, Habitat Needs, and Limiting Factors in Central and Northeast Oregon. Annual Report 1996.

Technical Report · Wed Oct 01 00:00:00 EDT 1997

DOI:https://doi.org/10.2172/654049· OSTI ID:654049

Bellerud, Blane L; Gunckel, Stephanie; Hemmingsen, Alan R; Buchanan, David V; Howell, Philip J

This study is part of a multi-year research project studying aspects of bull trout life history, ecology and genetics. This report covers the activities of the project in 1996. Results and analysis are presented in the following five areas: (1) analysis of the genetic structure of Oregon bull trout populations; (2) distribution and habitat use of bull trout and brook trout in streams containing both species; (3) bull trout spawning surveys; (4) summary and analysis of historical juvenile bull trout downstream migrant trap catches in the Grande Ronde basin; and (5) food habits and feeding behavior of bull trout alone and in sympatry with brook trout.

• Research Organization: Oregon Dept. of Fish and Wildlife, Portland, OR (United States); Forest Service, North Fork John Day Ranger District, Ukiah, OR (United States)
• Sponsoring Organization: US Bonneville Power Administration
• DOE Contract Number: 94BI34342
• OSTI ID: 654049
• Report Number(s): DOE/BP-34342-2; ON: DE98005115; CNN: Contract 94BI34342; TRN: 98:010321
• Resource Relation: Other Information: PBD: Oct 1997
• Country of Publication: United States
• Language: English

Related Subjects

13 HYDRO ENERGY
PROGRESS REPORT
HYDROELECTRIC POWER PLANTS
ENVIRONMENTAL IMPACTS
HABITAT
TROUT
GENETIC VARIABILITY
NUMERICAL DATA
POPULATION DYNAMICS
COLUMBIA RIVER BASIN
Bull trout - Oregon