Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Economic Valuation of Aquatic Ecosystems. 1986
Ecophysiology of High Salinity Tolerant Plants [electronic resource] / 2006
Ecoregion-Based Conservation in the Central Shortgrass Prairie 1998
Ecoregional Biological Criteria. 1989
Ecoregions of the conterminous United States / 1986
Ecoregions of the Upper Midwest States / 1988
Ecoregions: A Spatial Framework for Environmental Management. 1993
Ecoregions: An Approach to Surface Water Protection (Journal Version). 1988
Ecosystem management research in the Pacific Northwest : five-year research strategy / 1995
Ecosystem models of Chesapeake Bay, 1994-1996 : progress reports / 1997
Ecosystem Models of the Chesapeake Bay Relating Nutrient Loadings, Environmental Conditions, and Living Resources. Final Report. (May 1, 1998-April 30, 1999). 2000
Ecosystem Models of the Patuxent River Estuary Relating Nutrient Loading to Production of Selected Fish Populations. Final Report, Year 1. 1994
Ecosystem Organization of a Complex Landscape Long-Term Research in the Bornhöved Lake District, Germany / [electronic resource] : 2008
Ecosystem process modeling of submerged aquatic vegetation in the lower Chesapeake Bay / 1994
Ecosystem responses to increases in solar ultraviolet-B radiation / 1989
Ecosystem restoration to restore water quality : an unrealized opportunity for practitioners and researchers / 2003
Ecosystem Restoration to Restore Water Quality; An Unrealized Opportunity for Practitioners and Researchers. 2003
Ecosystem Restoration: Symposium to Bring Together Ecosystem Restoration Practioners and Researchers, July 29-31, 1998 1998
Ecosystem Services Research Program (ESRP) Albemarle-Pamlico Watershed and Estuary Study (APWES) Research Plan. 2010
Ecosystem-based management, ecosystem services and aquatic biodiversity : theory, tools and applications / 2020
Ecosystematic Study of the South River, Virginia. 1972
Ecosystems analysis of the Big Cypress Swamp and estuaries / 1973
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (Non-VMS Data) (on Magnetic Tape). 1996
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (Non-VMS Data) (on Magnetic Tape). (Reannoucement with New Abstract). 1996
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (VMS Data and Programs) (on Magnegtic Tape). 1996
Ecotoxicological test systems : proceedings of a series of workshops / 1981
Ecotoxicology and the aquatic environment : proceedings of a pre-conference symposium held in Toronto, Canada in conjunction with the 10th IAWPR Conference held in Toronto, Canada 1981
Ecotoxicology of Antifouling Biocides [electronic resource] / 2009
Ecotoxicology of nanoparticles in aquatic systems / 2019
Educating young people about water : a guide to goals and resources with an emphasis on nonformal and school enrichment settings / 1992
Eels and Humans [electronic resource] / 2014
Effect of (Confidential) Growth of the Aquatic Plant (Myriophyllum Aquaticum). 2012
Effect of a Number 2 Fuel Oil and a South Louisiana Crude Oil on the Behavior of the Soft Shell Clam, Mya arenaria L. 1976
Effect of a Power Plant on the Distribution and Abundance of Zooplankton Near the Plant's Thermal Outfall. 1972
Effect of Aggregation on 'Vibrio cholerae' Inactivation. 1994
Effect of Dredging Lilly Lake, Wisconsin. 1984
Effect of Elevated Water Temperature on Insect Emergence in Outdoor Experimental Channels. 1981
Effect of heated water on homeostasis, survival and emergence of selected aquatic insect fauna. 1972
Effect of hydrogen sulfide on fish and invertebrates. Part I, Acute and chronic toxicity studies / 1976
Effect of hydrogen sulfide on fish and invertebrates. Part II, Hydrogen sulfide determination and relationship between pH and sulfide toxicity / 1976
Effect of Methylmercuric Chloride, Cadmium Chloride, and Lead Nitrate on Six Biochemical Factors of the Brook Trout (Salvelinus fontinalis). 1977
Effect of Mirex on the Burrowing Activity of the Lugworm ('Arenicola cristata'). 1976
Effect of Organic Amendments on Bacterial Multiplication in Lake Water. 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 of Sodium Chloride on Transport of Bacteria in a Saturated Aquifer Material. 1991
Effect of Spectral Composition on Photosynthesis in Turbid Reservoirs. Photosynthetic Production in a Turbid Reservoir II. Details of an Incubation Model and Comments on the Effect of Light Quality on Photosynthesis. 1972
Effect of Stress and Non-Stress Conditions Upon the Interaction of Plectonema Boryanum and the LPP-Phycoviruses. 1973
Effect of the Method of Preparing Monochloramine upon Inactivation of MS2 Coliphage, 'Escherichia coli', and 'Klebsiella pneumoniae'. 1991
Effect of Water Quality and Environmental Factors on Freshwater Fish. 1970
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