Search Results for the EPA National Library Catalog

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Ecological Evaluation of Stream Eutrophication. 1973
Ecological impact of integrated chemical and biological aquatic weed control : final report {MICROFICHE} / 1983
Ecology of the Second Trophic Level of Lakes Superior, Michigan, and Huron. 1970
Economic Implications of Biological Control of Arundo donax in the Texas Rio Grande Basin. 2009
Economic Valuation of Aquatic Ecosystems. 1986
Ecosystem process modeling of submerged aquatic vegetation in the lower Chesapeake Bay / 1994
Ecosystematic Study of the South River, Virginia. 1972
Effect of Stress and Non-Stress Conditions Upon the Interaction of Plectonema Boryanum and the LPP-Phycoviruses. 1973
Effects of Atrazine on 'Zostera marina' in Chesapeake Bay, Virginia. 1982
Effects of atrazine on Chesapeake Bay aquatic plants / 1980
Effects of benthic barriers on macroinvertebrate communities 1993
Effects of Copper Sulfate on Certain Algae and Zooplankters in Winnisquam Lake, New Hampshire. 1970
Effects of cyanophage SAM-1 upon Microcystis aeruginosa / 1977
Effects of diversion and alum application on two eutrophic lakes / 1978
Effects of diversion and alum application on two eutrophic lakes / 1978
Effects of organic amendments to sediment on freshwater macrophyte growth 1983
Effects of pollutants on submarine plant synecology / 1977
Effects of pollutants on submarine plant synecology / 1977
Effects of Pollution on Freshwater Organisms. 1984
Effects of Pulp and Paper Mill Effluents on Growth and Production of Fish. Phases I and II. 1972
Effects of selected inorganic coal-gasification constituents on aquatic life an annotated bibliography / 1983
Effects of Stratospheric Ozone Depletion on Marine Organisms. 1989
Effects of Thermal Loading and Water Quality on Estuarine Primary Production. 1970
Effects of three species of aquatic plants on macroinvertebrates in Lake Seminole, Georgia 1994
Effects of Waste Discharges from Radford Army Ammunition Plant on the Biota of the New River, Virginia. 1973
Effects of wastewater and cooling water chlorination on aquatic life / 1976
Effects of water chemistry on submersed aquatic plants a synthesis / 1990
Effects, Uptake, and Metabolism of Methoxychlor, Mirex, and 2,4-D in Seaweeds. 1976
Environmental effects of Schuylkill oil spill II, June 1972 / 1975
Environmental Impact Statement: Alternative Wastewater Treatment Systems for Rural Lake Projects. Case Study Number 5, Ottertail County Board of Commissioners, Ottertail County, Minnesota. Volume 2. Draft Appendices. 1979
Environmental monitoring and assessment program--surface waters : field operations manual for lakes / 1997
Environmental profiles and hazard indices for constituents of municipal sludge : DDT/DDE/DDD. 1985
Establishing native submersed aquatic plant communities in southern reservoirs 1996
Establishing Quantitative Performance Criteria for Wetland Restoration. 1993
Estimating phytoplankton biomass and productivity : final report / 1981
Estimating toxicity of industrial chemicals to aquatic organisms using structure activity relationships / 1994
Estimating toxicity of industrial chemicals to aquatic organisms using structure activity relationships / 1994
Estimating toxicity of industrial chemicals to aquatic organisms using structure activity relationships / 1988
Estuarine Ecosystems and High Temperatures. 1972
Estuarine Pollution, A Bibliography. 1973
Estuary Studies (161.3). Training Manual. 1972
Eutrophication / 1970
Eutrophication and Water Pollution. 1966
Eutrophication of Sheltered Bays in a Large Lake. 1972
Eutrophication of surface waters : Lake Tahoe's Indian Creek Reservoir / 1975
Eutrophication of Water Resources of New York State. Observations on Nutrient Limitation on Summer Phytoplankton in Cayuga Lake, 1967 and 1968. 1970
Eutrophication. 1970
Evaluating the Effect of Offshore Sandbars on Seagrass Recovery and Restoration in Tampa Bay through Ecological Forecasting and Hindcasting of Exposure to Waves. 2002
Evaluation of Color Imagery and Direct Referencing for Mapping Submersed Aquatic Vegetation in Chesapeake Bay. Final Report. 2009
Evaluation of Environmental Alterations by Thermal Loading and Acid Pollution in the Cooling Reservoir of a Steam-Electric Station. 1970
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