Search Results for the EPA National Library Catalog

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Showing: Items 351 - 400
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Ecoregion-Based Conservation in the Central Shortgrass Prairie 1998
Ecoregions: A Spatial Framework for Environmental Management. 1993
Ecosystem Based Fisheries Management for Chesapeake Bay. Review of Consumer Preferences for Eco-Labeled Seafood. Potential Implications for Ecosystem Based Fisheries Management in the Chesapeake Bay. 2009
Ecosystem management research in the Pacific Northwest : five-year research strategy / 1995
Ecosystem monitoring and ecological indicators : an annotated bibliography / 1994
Effect of Growth Rate and Hydrophobicity on Bacteria Surviving Protozoan Grazing. 1990
Effect of Pesticide Residues and Other Organo-Toxicants on the Quality of Surface and Ground Water Resources. 1970
Effect of riparian areas on the ecological condition of small, perennial streams in agricultural landscapes of the Willamette Valley {Microfiche} 1997
Effect, Uptake and Disposition of Nitrobenzene in Several Terrestrial Plants. 1990
Effects of 16 vertebrate control agents on threatened and endangered species : U.S. Fish and Wildlife Service biological opinion, March, 1993. 1993
Effects of 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) on Humoral Immunity and Lymphocyte Subpopulations: Differences between Mice and Rats. 1994
Effects of a Continuous Low-Level No. 2 Fuel Dispersion on Laboratory-Held Intertidal Colonies. 1977
Effects of a Hexachlorobiphenyl and Pentachlorophenol on Growth and Photosynthesis of Phytoplankton. 1982
Effects of Age, Species Difference, Antibiotics and Toxicants on Intestinal Enzyme Activity and Genotoxicity. 1993
Effects of Changes in Freshwater Inflow on Biological Resources of Tampa Bay Tributaries. 2004
Effects of Chemical Contaminants on Blood Chemistry of Teleost Fish: A Bibliography and Synopsis of Selected Effects. 1993
Effects of climate change on aquatic invasive species and implications for management and research [electronic resource]. 2008
Effects of climate change on aquatic invasive species and implications for management and research. 2008
Effects of El Nino and La Nina on Seabird Assemblages in the Equatorial Pacific. 1992
Effects of Enrichment on Lake Superior Periphyton. 1973
Effects of Experimental Acidification in Macroinvertebrate Drift Diversity in a Mountain Stream. 1982
Effects of fire on threatened and endangered plants : an annotated bibliography / 1995
Effects of Hydrologic Modifications on Aquatic Biota, Stream Hydrology and Water Quality: A Literature Review. 1984
Effects of Industrial Effluents on Primary Phytoplankton Indicators. 1973
Effects of Kraft Mill Effluent on the Sexuality of Fishes: An Environmental Early Warning. 1992
Effects of military noise on wildlife : a literature review / 1996
Effects of Phenol, 2,4-Dimethylphenol, 2,4-Dichlorophenol, and Pentachlorophenol on Embryo, Larval, and Early-Juvenile Fathead Minnows ('Pimephales promelas'). 1982
Effects of Stratospheric Ozone Depletion on Marine Organisms. 1989
Effects of the Synthetic Pyrethroids AC 222,705, Permethrin and Fenvalerate on Sheepshead Minnows in Early Life Stage Toxicity Tests. 1983
Effects of Thermal Additions on the Dynamics of Fouling Communities at Beaufort, North Carolina. 1983
Effects of Toxicants on Plankton. 1982
Efficacy of Ballast Water Treatment Systems: A Report by the EPA Science Advisory Board. 2011
EMAP and Other Tools for Measuring Biodiversity, Habitat Conditions, and Environmental Trends. 1992
Emerging Technology: Aquaculture: An Alternative Wastewater Treatment Approach 1983
Emission Factor Documentation for Ap-42 Section 1.7, Lignite Combustion. 1993
Empirical Comparisons of Carcinogen Potencies Across Species and Their Bearing on Appropriate Scaling of Doses for Risk Assessment. 1994
Empty ocean : plundering the world's marine life / 2003
Endangered & threatened wildlife and plants 50 CFR 17.11 & 17.12 : April 15, 1990. 1990
Endangered and other protected species : federal law and regulation / 1992
Endangered and threatened fishes of the upper Colorado River basin 1980
Endangered and threatened species of Pennsylvania. 1995
Endangered and threatened species of the Platte River / 2005
Endangered and threatened species on U.S. Air Force installations 1984
Endangered and threatened species programs in Pennsylvania and other states : causes, issues, and management / 1986
Endangered and threatened vertebrate animals of Indiana : their distribution and abundance / 1988
Endangered and threatened wildlife of New Jersey / 2003
Endangered and threatened wildlife of the Chesapeake Bay region Delaware, Maryland, and Virginia / 1982
Endangered red wolves / 1997
Endangered species : a reference handbook / 1998
Endangered species : legal requirements and policy guidance / 2001
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