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Aquatic ecosystem studies

Technical Report ·
OSTI ID:4317013
; ;
In Environmental Sciences Division annual progress report for period ending September 30, 1973. In aquatic ecosystem studies, investigations were carried out in radionuclide cycling, radiation effects, and toxicant formation in condenser cooling systems. Experiments in radionuclide cycling demonstrated the availability of radionuclides from bottom sediments to the aquatic food chain and provided information on the transport of radionuclides in aquatic ecosystems. The effects of chronic low-level radiation on aquatic biota and the frequency of abnormalities in the fish populations of White Oak Lake were considered in radiation effects studies. Studies on toxicant formation in condenser cooling systems included the development of techniques for identifying and quantifying chlorinated organic constituents in water and testing the toxicity of specific chlorinecontaining compounds on aquatic biota. These laboratory and field studies are oriented toward providing information to evaluate the ecological consequences of planned or accidental releases of radionuclides and toxicants to aquatic ecosystems. (auth)
Research Organization:
Oak Ridge National Lab., Tenn. (USA)
NSA Number:
NSA-29-026831
OSTI ID:
4317013
Report Number(s):
ORNL--4935
Country of Publication:
United States
Language:
English

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Related Subjects

*ANIMALS-- RADIONUCLIDE KINETICS
*AQUATIC ECOSYSTEMS-- POLLUTION
*CHROMIUM COMPOUNDS-- BIOLOGICAL EFFECTS
*DAPHNIA-- BIOLOGICAL RADIATION EFFECTS
*FISHES-- BIOLOGICAL RADIATION EFFECTS
*FLIES-- BIOLOGICAL RADIATION EFFECTS
*NUCLEAR POWER PLANTS-- RADIOACTIVE WASTES
*ORGANIC CHLORINE COMPOUNDS-- BIOLOGICAL EFFECTS
ACUTE IRRADIATION
CESIUM 137
CHROMOSOMAL ABERRATIONS
CHRONIC IRRADIATION
GAMMA RADIATION
LIQUID WASTES
MALFORMATIONS
N44300* --Environmental & Earth Sciences--Radioactivity Monitoring & Transport
ORNL
PLANKTON
RADIONUCLIDE MIGRATION
REACTOR COOLING SYSTEMS
RESEARCH PROGRAMS
TOXINS