Search Results for the EPA National Library Catalog

Items Found: 968
Showing: Items 501 - 550
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Select Item Title Year Published
Freshwater biology 1977
Freshwater biology and pollution ecology : training manual / 1975
Freshwater environmental monitoring in Sweden. Proposals from a working group. 1992
Freshwater findings, 1967-1976 : research publications of the Environmental Research Laboratory / 1977
Freshwater findings, 1976-1978 : research publications of the Environmental Research Laboratory, Duluth, Minnesota / 1980
Freshwater findings, 1979-1982 : research publications of the Environmental Research Laboratory, Duluth, Minnesota / 1983
Freshwater fishery biology, 1956
Freshwater fishes in Mississippi. 1959
Freshwater fishes of Alabama 1968
Freshwater fishes of Alaska : their biology, distribution and value / 1979
Freshwater fishes of Canada / 1973
Freshwater fishes of Eastern Canada / 1967
Freshwater fishes of Louisiana 1974
Freshwater fishes of New York State : a field guide / 1980
Freshwater fishes of southern Florida 1987
Freshwater leeches (Annelida: Hirudinea) of North America / 1972
Freshwater life 1974
Freshwater micro-ecosystem development and testing of substitute chemicals / 1980
Freshwater microscopy. 1953
Freshwater planarians (Turbellaria) of North America. 1972
Freshwater snails (Mollusca: Gastropoda) of North America / 1982
Freshwater snails (Mollusca: Gastropoda) of North America / 1982
Freshwater unionacean clams (Mollusca: Pelecypoda) of North America, 1973
Freshwater wetlands for wastewater management : environmental assessment handbook / 1985
Freshwater wetlands for wastewater management environmental impact statement : phase I report. 1983
Freshwater wetlands of Maine. 1979
Freswater Mussel Records Collected by the Maryland Department of Natural Resources' Monitoring and Non-Tidal Assessment Division (1995-2009): Investigating Environmental Conditions and Host Fishes of Select Species. 2010
Fundamentals of limnology / 1953
Genera Acanthosphaera through Cystodinium collected from eastern and southeastern lakes / 1979
Genera Dactylococcopsis through Gyrosigma collected from eastern and southeastern lakes / 1979
Genera Hantzschia through Pteromonas collected from eastern and southeastern lakes / 1979
Genera of freshwater nematodes (Nematoda) of eastern North America / 1973
Genera Quadrigula through Zygnema collected from eastern and southeastern lakes / 1979
Global Climate Change: Policy Implications for Fisheries. 1990
Grass Carp as a Potential Control Agent for Cattails. 1986
Great Lakes Ecosystem - Modeling of the Fate of PCBs (Polychlorinated Biphenyls). 1987
Great Lakes water quality initiative technical support document for the procedure to determine bioaccumulation factors. 1994
Great Lakes--Nature's Own Environmental Laboratory. 1985
Great river ecosystems field operations manual environmental monitoring and assessment program. {electronic resource} : 2006
Greer's Ferry Reservoir, Van Buren and Cleburne Counties, Arkansas. 1977
Group Report: Interactions among Acidification, Phosphorus, Contaminants, and Biota in Freshwater Ecosystems (Chapter 13). 1994
Growth and Survival of Channel Catfish and Yellow Perch Exposed to Lowered Constant and Diurnally Fluctuating Dissolved Oxygen Concentrations. 1980
Growth and Survival of Young-of-the-Year Emerald Shiners ('Notropis atherinoides') at Different Temperatures. 1975
Guidelines for Assessing the Biotic Communities of Freshwater Wetlands. 1988
Guidelines for deriving ambient aquatic life advisory concentrations : 1994 / 1994
Guidelines for safe recreational water environments Coastal and fresh waters. 2003
Gulf of Mexico Program: 1997 Shareholder Report 1997
Habitat modification and freshwater fisheries proceedings of a symposium of the European Inland Fisheries Advisory Commission / 1985
Habitat Requirements of Juvenile Colorado River Squawfish. 1977
Habitat suitability index models : longnose dace / 1983
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