Search Results for the EPA National Library Catalog

Items Found: 419
Showing: Items 351 - 400
Your Search: (SUBJECT=Aquatic ecology)


 
 
 
PREV 1 2 3 4 5 6 7 8 9 NEXT
Select Item Title Year Published
Structure-activity correlations in studies of toxicity and bioconcentration with aquatic organisms : proceedings of a symposium held in Burlington, Ontario at the Canada Center for Inland Waters, March 11-13, 1975 / 1975
Studies on the effects of salinity and temperature on the commercial shrimp, Penaeus aztecus ives, with special regard to survival limits, growth, oxygen consumption and ionic regulation, 1974
Studies on the time course of salinity and temperature adaptation in the commercial brown penaeus aztecus ives : final report 1977
Summary findings Calvert Cliffs Nuclear Power Plant Aquatic Monitoring Program / 1980
Summary of current findings : Calvert Cliffs nuclear power plant aquatic monitoring program 1977
Summary report on the evaluation of aquatic methods / 1986
Summer flounder / 1983
Surface water contamination by insecticides : data from aquatic insect tests that pertain to water quality criteria : final report / 1983
Survey of aquatic ecosystem models Reports received through 31 October, 1974, 0
Susceptibility of aquatic ecosystems to the effects of atmospheric pollutant fallout in Quebec 1981
Synthetic pyrethroids : occurrence and behavior in aquatic environments / 2008
Tampa and Sarasota Bays : issues, resources, status, and management : proceedings of a seminar, held December 10, 1987, Washington, D.C. / 1989
Technical report on the environmental impacts and research review of the Aquatic Plant Control Program, Texas, Louisiana, Florida and related areas / 1973
Technical summary of information available on the bioaccumulation of arsenic in aquatic organisms. 2003
Tertiary treatment with a controlled ecological system / 1973
The aquatic biology program at the Environmental Monitoring and Support Laboratory - Cincinnati, U.S. Environmental Protection Agency, Cincinnati, Ohio / 1984
The Biology of particles in aquatic systems / 1994
The biotic ligand model : technical support document for its application to the evaluation of water quality criteria for copper. 2003
The consequences of nutrient enrichment in estuaries : a report to the Eutrophication Program, U.S. Environmental Protection Agency Chesapeake Bay Program / 1981
The determination, assessment, and design of "in-stream value" studies for the northern Great Plains region / 1975
The Distribution of wetland and deepwater habitats in the San Francisco Bay region / 1994
The Effect of nitrilotriacetic acid (NTA) on the structure and functioning of aquatic communities in streams / 1980
The effects of agricultural pesticides in the aquatic environment, irrigated croplands, San Joaquin Valley. 1972
The effects of cyanides on aquatic organisms with emphasis upon freshwater fishes / 1982
The effects of methoxychlor on aquatic biota / 1973
The effects of petroleum refinery liquid wastes on aquatic life, with special emphasis on the Canadian environment / 1976
The fate of nitrogen in aquatic ecosystems, 1972
The Functional ecology of submerged aquatic vegetation in the lower Chesapeake Bay / 1979
The impact of various heavy metals on the aquatic environment / 1971
The influence of coal surface mining on the aquatic environment of the Cumberland Plateau / 1984
The Massachusetts Ecological Regions Project / 1994
The movement and impact of pesticides used for vector control on the aquatic environment in the northeastern United States. 1972
The relationship of three submersed macrophytes to sediment particle size and total carbon composition in Buffalo Harbor, New York / 1981
The role of trace elements in management of nuisance growths / 1975
The sediment environment of Port Valdez, Alaska : the effect of oil on this ecosystem / 1976
The silicon cycle : human perturbations and impacts on aquatic systems / 2006
The State of the Great Lakes, 2003 / 2003
Third report on the remedial action to isolate DDT from people and the environment in the Hunstsville Spring Branch-Indian Creek System, Wheeler Reservoir, Alabama : review panel activities (United States v. Olin Corporation consent decree) July 1, 1990-April 23, 1999. 2000
Third symposium on research related to water pollution in the Northwest / 1958
Toward a water resources management decision support system for the Great Lakes-St. Lawrence River Basin : status of data and information on water resources, water use and related ecological impacts / 2003
Toxicity assessment techniques for aquatic invertebrates : current "state-of-the-art" / 1991
Toxicity of chromium and fluoranthene from aqueous and sediment sources to selected freshwater fish / 1990
Toxicity of power plant chemicals to aquatic life / 1973
Toxicity of residual chlorine compounds to aquatic organisms / 1978
Toxicity to biota of metal forms in natural water : proceedings of a workshop held in Duluth, Minnesota, October 7-8, 1975 / 1976
Toxicity to fish of Cyanides and related compounds : a review / 1976
Trends and status of wetland and aquatic habitats in the Galveston Bay System, Texas 1993
Upland and wetland habitat development with dredged material : ecological considerations / 1978
Upper Mississippi River water quality task force meeting : April 8, 1999 : agenda : background and supporting materials : Moline Holiday Inn, Moline, Illinois. 1999
Use of biological information to better define designated aquatic life uses in state and tribal water quality standards : tiered aquatic life uses / 2005
PREV 1 2 3 4 5 6 7 8 9 NEXT

Save, Print or Email Selected Records