Search Results for the EPA National Library Catalog

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Drift of Benthic Invertebrates in Goldstream Creek, Alaska. 1973
Dynamics of Brown Trout (Salmo trutta), and Sculpin (Cottus spp.) Populations as Indicators of Eutrophication. 1972
ECO Update: Selecting and Using Reference Information in Superfund Ecological Risk Assessments. Volume 2, Number 4, September 1994. 1994
Ecological Characterization of Coastal Maine (North and East of Cape Elizabeth). Volume 3. 1980
Ecological Characterization of Coastal Maine (North and East of Cape Elizabeth). Volume 4: Appendices. 1980
Ecological impacts of sewage discharges on coral reef communities / 1983
Ecological Studies and Mathematical Modeling of 'Cladophora' in Lake Huron: 1. Program Description and Field Monitoring of Growth Dynamics (Journal Version). 1982
Ecology and management of the zebra mussel and other introduced aquatic nuisance species : a report based on presentations and discussions at the EPA Workshop on Zebra Mussels and Other Introduced Aquatic Nuisance Species, Saginaw Valley State University, Saginaw, Michigan, USA, September 26-28, 1990 / 1991
Effect of Barite on Meiofauna in a Flow-Through Experimental System. 1980
Effect of Dredging Lilly Lake, Wisconsin. 1984
Effect of Holding Temperature and Time on Total Coliform Density in Sewage Effluent Samples. 1978
Effect of P-Cresol on Leaf Decomposition and Invertebrate Colonization in Experimental Outdoor Streams. 1983
Effect of Thermal Inputs on the Populations of Fish and Macroinvertebrates in the Wabash River. 1973
Effects of a Lignosulfonate-Type Drilling Mud on Development of Experimental Estuarine Macrobenthic Communities. 1978
Effects of Agriculture on Stream Fauna in Central Indiana. 1983
Effects of Canopy Modification and Accumulated Sediment on Stream Communities. 1981
Effects of chlorine and sulfite reduction on Lake Michigan invertebrates / 1976
Effects of Contaminants from Chromated Copper Arsenate-Treated Lumber on Benthos. 1994
Effects of Contaminated Sediments on Representative Estuarine Species and Developing Benthic Communities. Chapter 21. 1980
Effects of Ditching on the Mosquito Populations in Some Sections of 'Juncus' Salt Marsh in Carteret County, North Carolina. 1973
Effects of DOWICIDE (Trade Name) G-ST on Development of Experimental Estuarine Macrobenthic Communities. 1978
Effects of El Nino and La Nina on Seabird Assemblages in the Equatorial Pacific. 1992
Effects of Elevated Ammonia Levels on the Fingernail Clam, 'Musculium transversum', in Outdoor Experimental Streams. 1987
Effects of experimental oiling on recovery of Strait of Juan de Fuca intertidal habitats : final report / 1981
Effects of Fenvalerate on Field- and Laboratory-Developed Estuarine Benthic Communities. 1981
Effects of Logging on Growth of Juvenile Coho Salmon. 1973
Effects of Malathion on Microorganisms of an Artificial Salt-Marsh Environment. 1977
Effects of Pentachlorophenol on Development of Estuarine Communities. 1977
Effects of Petroleum Residues on Intertidal Organisms of Bermuda with Cover Letter. 1982
Effects of phosphorus loading on phytoplankton distribution and certain aspects of cytology in Saginaw Bay, Lake Huron / 1983
Effects of Season and Substrate on Availability of Drift for Fish in a Small Warmwater Stream. 1985
Effects of suspended solids and sediment on reproduction and early life of warmwater fishes : a review / 1979
Effects of suspended solids and sediment on reproduction and early life of warmwater fishes : a review / 1979
Effects of suspended solids and sediment on reproduction and early life of warmwater fishes : a review / 1979
Effects of Thermal Additions on the Dynamics of Fouling Communities at Beaufort, North Carolina. 1983
Effluent and Ambient Toxicity Testing and Instream Community Response on the Ottawa River, Lima, Ohio. 1984
Enrichment of Cadmium-Mediated Antibiotic-Resistant Bacteria in a Douglas-Fir 'Pseudotsuga menziesii' Litter Microcosm. 1979
Environmental Assessment of an Active Oil Field in the Northwestern Gulf of Mexico, 1977-1978. Volume II. Data Management and Biological Investigations. 1979
Environmental Assessment of Buccaneer Gas and Oil Field in the Northwestern Gulf of Mexico, 1975-1980. Volume II. Fishes and Macro-Crustaceans/Biofouling Communities. 1980
Environmental Assessment of Buccaneer Gas and Oil Field in the Northwestern Gulf of Mexico, 1978-1979. Volume III. Effects of Gas and Oil Field Structures and Effluents on Pelagic and Reef Fishes, Demersal Fishes and Macrocrustaceans. 1980
Environmental Assessment of Buccaneer Gas and Oil Field in the Northwestern Gulf of Mexico, 1978-1979. Volume IV. Bacterial Communities. 1980
Environmental Assessment of Buccaneer Gas and Oil Field in the Northwestern Gulf of Mexico, 1978-1979. Volume V. Effects of Gas and Oil Field Structures and Effluents on Fouling Community Production and Function. 1980
Environmental effects of oil shale mining and processing : part I, fishes of Piceance Creek, Colorado, prior to oil shale processing. / 1978
Environmental effects of Western coal combustion. 1978
Environmental effects of western coal combustion. Part II, The aquatic macroinvertebrates of Rosebud Creek, Montana / 1978
Environmental effects of Western coal surface mining : part II, the aquatic macroinvertebrates of Trout Creek, Colorado / 1978
Environmental requirements and pollution tolerance of trichoptera / 1978
Episodic Acidification and Associated Fish and Benthic Invertebrate Responses of Four Adirondack Headwater Streams. Methods Report. 1993
Eutrophication and Nutrient Cycling in Santa Margarita River Estuary: A Summary of Baseline Studies for Monitoring Order R9-2006-0076. 2012
Evaluating Point Count versus Territory Mapping in Cropland Birds. 1982
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