Factors influencng smallmouth bass production in the Hanford Area, Columbia River

Journal Article · Tue Jan 01 04:00:00 EST 1980 · Northwest Sci.; (United States)

OSTI ID:5683250

Montgomery, J C; Fickeisen, D H; Becker, C D

Forty radio frequency transmitters and 120 dart tags were used to monitor movements of adult smallmouth bass (Micropterus dolomieui) in relation to water level fluctuations in the Columbia River at Hanford, Washington, in 1976 and 1977. Bass movement appeared to be influenced by water level fluctuations, water depth, current, and available forage organisms. Spawning success of adult bass was estimated at three study areas: White Bluffs, Hanford, and F Area sloughs. Spawning was adversely influenced by high river levels, which flooded nest sites with cool water and caused other perturbations. Spawning success was relatively poor in 1976, a high-water year, and relatively good in 1977, a low-water year. Loss of juvenile bass due to entrapment, predation, thermal and oxygen stress, and desiccation was monitored during the summer in several temporary ponds created by fluctuating river flows.

• Research Organization: Battelle Pacific Northwest Labs., Richland, WA
• DOE Contract Number: EY-76-C-06-1830
• OSTI ID: 5683250
• Journal Information: Northwest Sci.; (United States), Journal Name: Northwest Sci.; (United States) Vol. 54:4; ISSN NOSCA
• Country of Publication: United States
• Language: English

Related Subjects

520100 -- Environment
Aquatic-- Basic Studies-- (-1989)
54 ENVIRONMENTAL SCIENCES
550100* -- Behavioral Biology
59 BASIC BIOLOGICAL SCIENCES
ANIMAL FEEDS
ANIMALS
AQUATIC ORGANISMS
COLUMBIA RIVER
CURRENTS
ENVIRONMENTAL EFFECTS
FISHES
FLUCTUATIONS
FOOD
FORAGE
HANFORD RESERVATION
HYDROGEN COMPOUNDS
NATIONAL ORGANIZATIONS
NORTH AMERICA
OXYGEN COMPOUNDS
PACIFIC NORTHWEST REGION
PLANTS
POPULATION DYNAMICS
RIVERS
STREAMS
SURFACE WATERS
US DOE
US ERDA
US ORGANIZATIONS
USA
VARIATIONS
VERTEBRATES
VOLUME
WASHINGTON
WATER
WATER CURRENTS