Site specificity and movement of largemouth bass (Micropterus salmoides) in a thermally altered reservoir
Technical Report
·
OSTI ID:5944433
A mark-recapture experiment was conducted in Pond C, a thermally altered reservoir in the Par Pond system of the Savannah River Plant. The standing crop for bass spread throughout the reservoir was 2.7 to 3.8 kg/ha. From the length/mass relationships, for a given total length, Pond C bass weighed less than bass from other lakes and reservoirs and had a lower condition coefficient than bass from normal lakes and reservoirs. Bluegill (Lepomis macrochirus) were found, from the length/mass relationships, for a given length, to weigh less than bluegill in other lakes and reservoirs and also had a low condition coefficient which was similar to bluegill found in thermally impacted lakes and reservoirs. Thus, bluegill in Pond C and other thermally affected reservoirs, like bass, also suffer a loss of body condition due to the thermal and trophic stresses in these systems. The rate at which bass move out of the refuge areas (24 m per day) is lower than the rate at which bass move in other lakes and reservoirs. Bluegill move (23 m per day) out of the refuge areas at a rate similar to that of bass. 43 refs., 12 figs., 9 tabs.
- Research Organization:
- State Univ. of New York, Buffalo (USA). Dept. of Biology
- DOE Contract Number:
- FG02-87ER60529
- OSTI ID:
- 5944433
- Report Number(s):
- DOE/ER/60529-T1; ON: DE87014994
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
520400* -- Environment
Aquatic-- Thermal Effluents Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560200 -- Thermal Effects
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMALS
AQUATIC ORGANISMS
BEHAVIOR
BIOLOGICAL STRESS
COMPARATIVE EVALUATIONS
CONTROL
COOLING PONDS
DIMENSIONS
ENVIRONMENTAL EFFECTS
FISHES
LENGTH
MASS
NATIONAL ORGANIZATIONS
PONDS
POPULATION DENSITY
REACTORS
SAVANNAH RIVER PLANT
SURFACE WATERS
TEMPERATURE CONTROL
THERMAL EFFLUENTS
THERMOREGULATION
US AEC
US DOE
US ERDA
US ORGANIZATIONS
VERTEBRATES
WATER RESERVOIRS
Aquatic-- Thermal Effluents Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560200 -- Thermal Effects
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMALS
AQUATIC ORGANISMS
BEHAVIOR
BIOLOGICAL STRESS
COMPARATIVE EVALUATIONS
CONTROL
COOLING PONDS
DIMENSIONS
ENVIRONMENTAL EFFECTS
FISHES
LENGTH
MASS
NATIONAL ORGANIZATIONS
PONDS
POPULATION DENSITY
REACTORS
SAVANNAH RIVER PLANT
SURFACE WATERS
TEMPERATURE CONTROL
THERMAL EFFLUENTS
THERMOREGULATION
US AEC
US DOE
US ERDA
US ORGANIZATIONS
VERTEBRATES
WATER RESERVOIRS