Search Results for the EPA National Library Catalog

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Ecological Condition of Coastal Ocean Waters Along the U.S. Mid-Atlantic Bight: 2006. 2009
Ecological condition of coastal ocean waters along the U.S. western continental shelf, 2003 / 2008
Ecological condition of streams in the coast range ecoregion of Oregon and Washington 2000
Ecological condition of the Columbia river estuary: an environmental monitoring and assessment program (EMAP) report. modeling fish distributions in the Pacific Northwest coast range ecoregion using EMAP Data. / 2007
Ecological effects of energy development on reef fish, ichthyoplankton and benthos populations in the Flower Garden Banks of the northwestern Gulf of Mexico, 1980-1982. 1983
Ecological Effects of Experimental Acidification on a Stream Ecosystem. 1984
Ecological Effects of Pesticides on Non-Target Species. 1971
Ecological factors affecting distribution and abundance of the centrarchids of the recent delta of the Mississippi River. 1965
Ecological impact of integrated chemical and biological aquatic weed control : final report {MICROFICHE} / 1983
Ecological Impact of Surface Water Impoundments in the Great Plains Area. 1972
Ecological Implications of Dimethyl Mercury in an Aquatic Food Chain. 1973
Ecological Implications of Geopressured-Geothermal Energy Development Texas-Louisiana Gulf Coast Region. 1977
Ecological recovery after reclamation of toxic spoils left by coal surface mining : phase 1 : a baseline assessment of environmental conditions prior to application of intensive remedial treatments / 1979
Ecological Risk Assessment for General Electric (GE)/Housatonic River Site Rest of River. Volumes 1 and 2, Sections 1-12. 2004
Ecological risk assessment for the Middle Snake River, Idaho. 2002
Ecological Risk Assessment: Protecting Northwest Anadromous Salmonid Stocks. 1994
Ecological studies of fish near a coal-fired generating station and related laboratory studies : Wisconsin power plant impact study / 1980
Ecological studies of the Sacramento-San Joaquin Delta : Part 2, Fishes of the Delta / 1966
Ecological studies of the Sacramento-San Joaquin estuary. Zooplankton, zoobenthos, and fishes of San Pablo and Suisun Bays, zooplankton and zoobenthos of the Delta / 1966
Ecological study of the Delaware River in the vicinity of Artificial Island progress report. 1968
Ecological study of the fishes of the Tampa Bay area, 1960
Ecological Study of the Missouri River Prior to Channelization. 1974
Ecology and behavior of the cyprinodont fishes Adinia xenica, Lucania parva, Lucania goodei and Leptolucania ommata 1971
Ecology and behavior of the cyprinodontid fishes Jordanella floridae (Goode and Bean), Floridichthys carpio (Gunther) and Cyprinodon variegatus, lacepede / 1967
Ecology and distribution of eastern Gulf of Mexico reef fishes 1976
Ecology and ethology of fishes proceedings of the 2nd biennial symposium on the ethology and behavioral ecology of fishes, held at Normal, Ill., U.S.A., October 19-22, 1979 / 1981
Ecology and Productivity of Strip-Mine Areas in Mercer County, Pennsylvania. 1974
Ecology of Floodplain Pools in the Kaskaskia River Basin of Illinois. 1973
Ecology of Gila trout in Main Diamond Creek in New Mexico 1966
Ecology of important fisheries species offshore California. 1987
Ecology of marine deposit feeders 1989
Ecology of Thermal Additions Lower Hudson River Cooperative Fishery Study Vicinity of Indian Point, Buchanan, New York. 1970
Ecology, utilization, and management of marine fisheries 1975
Economic Analysis of Effluent Guidelines for Seafood Processing Industry. (Fish Meal, Salmon, Bottom Fish, Clams, Oysters, Sardines, Scallops, Herring, Abalone). 1975
Economic analysis of the final regulations addressing cooling water intake structures for new facilities. 2001
Economic Impact of Proposed Thermal Discharge Standard for Lake Sangchris. 1976
Economic impact of the effects of pollution on the coastal fisheries of the Atlantic and Gulf of Mexico regions of the United States of America 1977
Economic Impacts of Aquatic Invasive Species: A Review of the Literature. 2005
Economic strategy for the Lower Snake River / prepared by ECONorthwest for Trout Unlimited. 1999
Ecosystem approach to salmonid conservation 1996
Ecosystem Changes in Lakes Erie and Ontario. 1981
Ecosystem models of Chesapeake Bay, 1994-1996 : progress reports / 1997
Ecosystem Models of the Patuxent River Estuary Relating Nutrient Loading to Production of Selected Fish Populations. Final Report, Year 1. 1994
Ecosystem-based fisheries management : confronting tradeoffs / 2010
Effect of accelerated fingerling rearing on adult survival of spring Chinook salmon / 1988
Effect of Carbon Tetrachloride Treatment on Urine Flow Rate of the Rainbow Trout, 'Salmo gairdneri'. 1980
Effect of Exposure Time and Copper Concentration on Reproduction of the Fathead Minnow ('Pimephales promeles'). 1977
Effect of exposure to a subacute concentration of parathion on the locomotor behavior of several freshwater fish 1976
Effect of flow on performance and behavior of chinook salmon in fishways / 1970
Effect of Fluctuating Exposures on the Acute Toxicity of Ammonia to Rainbow Trout (Salmo gairdneri) and Cutthroat Trout (S. clarki). 1981
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