Incorporation of sublethal effects and indirect mortality in modeling population-level impacts of a stress, with an example involving power-plant entrainment and striped bass
Technical Report
·
OSTI ID:6314936
The problems involved in including sublethal effects and indirect mortality in modeling the population-level impacts of a stress are discussed. Interactions of stressed individuals at one trophic level with those at the next lower and higher trophic levels are considered, particularly with reference to power plant entrainment as the source of stress. An equation is derived for the conditional mortality rate due to a stress that incorporates both direct and indirect mortality. Preliminary experiments to test for sublethal effects of heat shock on the feeding of striped bass (Morone saxatilis) larvae suggest that striped bass larvae may be less likely to feed following heat shocks of the type used in these experiments. However, once larvae do start feeding, these experiments suggest that the amount eaten is not substantially influenced by the preceding heat shock. The relationship between setting standards and modeling population-level impacts, and the use of application factors for each, are considered.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 6314936
- Report Number(s):
- NUREG/CR-0638; ORNL/NUREG/TM-288
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
220500 -- Nuclear Reactor Technology-- Environmental Aspects
550100 -- Behavioral Biology
560205* -- Thermal Effects-- Vertebrates-- (-1987)
59 BASIC BIOLOGICAL SCIENCES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMALS
AQUATIC ORGANISMS
AUXILIARY SYSTEMS
AUXILIARY WATER SYSTEMS
BEHAVIOR
BIOLOGICAL EFFECTS
CONDENSER COOLING SYSTEMS
COOLING SYSTEMS
ENTRAINMENT
FISHES
LARVAE
MATHEMATICAL MODELS
MORTALITY
NUCLEAR FACILITIES
NUCLEAR POWER PLANTS
POPULATIONS
POWER PLANTS
STRIPED BASS
TEMPERATURE EFFECTS
THERMAL POWER PLANTS
THERMAL SHOCK
VERTEBRATES
220500 -- Nuclear Reactor Technology-- Environmental Aspects
550100 -- Behavioral Biology
560205* -- Thermal Effects-- Vertebrates-- (-1987)
59 BASIC BIOLOGICAL SCIENCES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMALS
AQUATIC ORGANISMS
AUXILIARY SYSTEMS
AUXILIARY WATER SYSTEMS
BEHAVIOR
BIOLOGICAL EFFECTS
CONDENSER COOLING SYSTEMS
COOLING SYSTEMS
ENTRAINMENT
FISHES
LARVAE
MATHEMATICAL MODELS
MORTALITY
NUCLEAR FACILITIES
NUCLEAR POWER PLANTS
POPULATIONS
POWER PLANTS
STRIPED BASS
TEMPERATURE EFFECTS
THERMAL POWER PLANTS
THERMAL SHOCK
VERTEBRATES