Amounts of asymmetry in centrarchid fish inhabiting heated and nonheated reservoirs
Journal Article
·
· Trans. Am. Fish. Soc.; (United States)
The effects of heated effluents on morphology of fishes in natural populations were investigated. Largemouth bass (Micropterus salmoides), bluegills (Lepomis macrochirus), and redbreast sunfish (Lepomis auritus) were sampled in bodies of water that had never experienced thermal effluents, in those that were currently receiving heated effluents, and in those that had received heated effluents in the past, but received them no longer. Differences in means between heated and ambient temperature locations were seen only in two meristic characters in the redbreast sunfish. Differences in amounts of bilateral asymmetry (hypothesized to be a measure of developmental homeostasis) were not demonstrated between populations in heated and ambient-temperature locations. However, fish from a pond heavily contaminated with mercury had higher levels of asymmetry than fish from the other populations sampled.
- Research Organization:
- Savannah River Ecology Lab., Aiken, SC
- OSTI ID:
- 5486890
- Journal Information:
- Trans. Am. Fish. Soc.; (United States), Journal Name: Trans. Am. Fish. Soc.; (United States) Vol. 108:5; ISSN TAFSA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
520100 -- Environment
Aquatic-- Basic Studies-- (-1989)
54 ENVIRONMENTAL SCIENCES
560205* -- Thermal Effects-- Vertebrates-- (-1987)
560305 -- Chemicals Metabolism & Toxicology-- Vertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AMBIENT TEMPERATURE
ANIMALS
AQUATIC ECOSYSTEMS
AQUATIC ORGANISMS
BIOLOGICAL EFFECTS
ECOSYSTEMS
ELEMENTS
FISHES
HOMEOSTASIS
MERCURY
METALS
MORPHOLOGY
POPULATIONS
SYMMETRY
THERMAL EFFLUENTS
VERTEBRATES
Aquatic-- Basic Studies-- (-1989)
54 ENVIRONMENTAL SCIENCES
560205* -- Thermal Effects-- Vertebrates-- (-1987)
560305 -- Chemicals Metabolism & Toxicology-- Vertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AMBIENT TEMPERATURE
ANIMALS
AQUATIC ECOSYSTEMS
AQUATIC ORGANISMS
BIOLOGICAL EFFECTS
ECOSYSTEMS
ELEMENTS
FISHES
HOMEOSTASIS
MERCURY
METALS
MORPHOLOGY
POPULATIONS
SYMMETRY
THERMAL EFFLUENTS
VERTEBRATES