Environmental effects of western coal surface mining. Part VI: smallmouth bass and largemouth bass in the Tongue River Reservoir, Montana, 1975-76. Final report
Technical Report
·
OSTI ID:6632156
Population parameters of smallmouth bass (Micropterus dolomieui) and largemouth bass (M. salmoides) were studied during 1975 and 1976, before expansion of surface coal mining adjacent to the Tongue River Reservoir in southeastern Montana. Reproductive success, as determined by alongshore seining, varied in different areas of the reservoir and may be correlated to turbidity. Population estimates were obtained at night during spring and fall 1976 with boat electrofishing gear. For yearling and older smallmouth bass the fall population of 13.0 fish/ha and the standing crop of 2.03 kg/ha represented 80 and 84 percent of the totals for basses in the reservoir. The largemouth bass population and standing crop during fall 1976 was 3.2 fish/ha and 0.32 kg/ha.
- Research Organization:
- Montana Cooperative Fishery Research Unit, Bozeman (USA)
- OSTI ID:
- 6632156
- Report Number(s):
- PB-80-194319
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010900* -- Coal
Lignite
& Peat-- Environmental Aspects
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560305 -- Chemicals Metabolism & Toxicology-- Vertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ABUNDANCE
ANIMALS
AQUATIC ORGANISMS
COAL MINING
ECOLOGY
ENVIRONMENTAL EFFECTS
ENVIRONMENTAL IMPACTS
FISHES
MINING
MONTANA
MORTALITY
NORTH AMERICA
POLLUTION
POPULATION DYNAMICS
POPULATIONS
REPRODUCTION
RIVERS
ROCKY MOUNTAIN REGION
SEASONAL VARIATIONS
STREAMS
SURFACE MINING
SURFACE WATERS
USA
VARIATIONS
VERTEBRATES
WATER POLLUTION
010900* -- Coal
Lignite
& Peat-- Environmental Aspects
520200 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560305 -- Chemicals Metabolism & Toxicology-- Vertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ABUNDANCE
ANIMALS
AQUATIC ORGANISMS
COAL MINING
ECOLOGY
ENVIRONMENTAL EFFECTS
ENVIRONMENTAL IMPACTS
FISHES
MINING
MONTANA
MORTALITY
NORTH AMERICA
POLLUTION
POPULATION DYNAMICS
POPULATIONS
REPRODUCTION
RIVERS
ROCKY MOUNTAIN REGION
SEASONAL VARIATIONS
STREAMS
SURFACE MINING
SURFACE WATERS
USA
VARIATIONS
VERTEBRATES
WATER POLLUTION