Mainstem Clearwater River study: Assessment for Salmonid Spawning, Incubation, and Rearing.
This is the second annual progress report for studies conducted by the Nez Perce Tribe to evaluate the potential for increasing fall chinook salmon (Oncorhynchus tshawytscha) populations and establishing summer chinook salmon spawning in the lower 57.5 km of the mainstem Clearwater River (LMCR) of Idaho. The report presents study methods and preliminary results for the 1988--1989 phase of the study. The overall study plan was designed to quantitatively evalulate the available spawning, incubation and rearing habitat for fall and summer chinook salmon. We also studied steelhead trout (O. mykiss) rearing habitat since there is a stable population of these fish in the LMCR's tributaries and their parr are known to rear periodically in the mainstem. Resident fish were studied to assess the potential for habitat overlap with that of anadromous fish. Based on these findings the Nez Perce Tribe could determine chinook salmon habitat conditions for selected stocks under existing flow and temperature regimes and consult with the US Army Corps of Engineering concerning the effects of Dworshak Dam operation on flows and measures to restore or establish stocks identified in this study. 38 refs., 25 figs., 4 tabs.
- Research Organization:
- Nez Perce Tribe Dept. of Fisheries Management (USA); EBASCO Environmental (USA)
- Sponsoring Organization:
- United States. Bonneville Power Administration.
- DOE Contract Number:
- AI79-87BP37474
- OSTI ID:
- 6823284
- Report Number(s):
- DOE/BP-37474-2; ON: DE91000156
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
13 HYDRO ENERGY
130600* -- Hydro Energy-- Environmental Aspects
54 ENVIRONMENTAL SCIENCES
540200 -- Environment
Terrestrial-- (1990-)
540350 -- Environment
Aquatic-- Site Resource & Use Studies-- (1990-)
ANADROMOUS FISHES
ANIMALS
AQUATIC ORGANISMS
BIOLOGICAL EFFECTS
BONNEVILLE POWER ADMINISTRATION
COLUMBIA RIVER BASIN
DAMS
DISEASES
DOCUMENT TYPES
ENVIRONMENTAL IMPACTS
FEDERAL REGION X
FISH PASSAGE FACILITIES
FISHERIES
FISHES
Fishery management - Idaho - Clearwater River
HYDROELECTRIC POWER PLANTS
LIFE CYCLE
MONITORING
NATIONAL ORGANIZATIONS
NORTH AMERICA
POPULATION DYNAMICS
POWER PLANTS
PROGRESS REPORT
REARING
REPRODUCTION
SALMON
TEMPERATURE EFFECTS
TROUT
US DOE
US ORGANIZATIONS
USA
VERTEBRATES
WASHINGTON
130600* -- Hydro Energy-- Environmental Aspects
54 ENVIRONMENTAL SCIENCES
540200 -- Environment
Terrestrial-- (1990-)
540350 -- Environment
Aquatic-- Site Resource & Use Studies-- (1990-)
ANADROMOUS FISHES
ANIMALS
AQUATIC ORGANISMS
BIOLOGICAL EFFECTS
BONNEVILLE POWER ADMINISTRATION
COLUMBIA RIVER BASIN
DAMS
DISEASES
DOCUMENT TYPES
ENVIRONMENTAL IMPACTS
FEDERAL REGION X
FISH PASSAGE FACILITIES
FISHERIES
FISHES
Fishery management - Idaho - Clearwater River
HYDROELECTRIC POWER PLANTS
LIFE CYCLE
MONITORING
NATIONAL ORGANIZATIONS
NORTH AMERICA
POPULATION DYNAMICS
POWER PLANTS
PROGRESS REPORT
REARING
REPRODUCTION
SALMON
TEMPERATURE EFFECTS
TROUT
US DOE
US ORGANIZATIONS
USA
VERTEBRATES
WASHINGTON