Search Results for the EPA National Library Catalog

Items Found: 1987
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Ecological Effects of Water-Level Fluctuations in Lakes [electronic resource] / 2008
Ecological effects on tropospheric ozone: a U.S. perspective - past, present and future {microfiche} / by William E. Hogsett and Christian P. Andersen. 1997
Ecological exposure and effects of airborne toxic chemicals : an overview / 1991
Ecological functions of off-channel habitat, Willamette River, Oregon : final research plan / 1997
Ecological impacts of sewage discharges on coral reef communities / 1983
Ecological Implications of Dimethyl Mercury in an Aquatic Food Chain. 1973
Ecological indicators : proceedings of an international symposium held in Fort Lauderdale, Florida on October 16-19, 1990 / 1991
Ecological Perspective on Water Quality Goals. 1981
Ecological Processes at Marine Fronts Oases in the ocean / [electronic resource] : 2015
Ecological Research Strategey. 1998
Ecological Revitalization: Turning Contaminated Properties Into Community Assets. 2009
Ecological risk assessment : federal guidelines / 1998
Ecological risk assessment for the Middle Snake River, Idaho. 2002
Ecological risk assessment guidance for Superfund : process for designing and conducting ecological risk assessments. 1997
Ecological Risk Assessment: Protecting Northwest Anadromous Salmonid Stocks. 1994
Ecological significance and selection of candidate assessment endpoints. 1996
Ecological Stability: An Ecosystem Perspective. Classical and Current Thoughts: Review of Selected Literature. 1976
Ecological Status and Trends Program: EPA's Approach to Monitoring Condition of the Nation's Ecosystems. 1989
Ecological Structure among Migrant and Resident Seabirds of the Scotia-Weddell Confluence Region. 1994
Ecological Study of the Missouri River Prior to Channelization. 1974
Ecology and Conservation of Neotropical Montane Oak Forests [electronic resource] / 2006
Ecology of Baltic Coastal Waters [electronic resource] / 2008
Ecology of juvenile walleye pollock, Theragra chalcogramma : papers from the workshop, "The importance of prerecruit walleye pollock to the Bering Sea and North Pacific ecosystems" / 1996
Ecology of Tidal Freshwater Forested Wetlands of the Southeastern United States [electronic resource] / 2007
Ecology, Planning, and Management of Urban Forests International Perspectives / [electronic resource] : 2008
Economic benefits of effluent limitation guidelines for the offshore oil and gas facilities : final report / 1993
Economic Impacts of Aquatic Invasive Species: A Review of the Literature. 2005
Economic Tools for Managing Nitrogen in Coastal Watersheds. 2016
Economic Tools for Managing Nitrogen in Coastal Watersheds. 2016
Economic Valuation of Aquatic Ecosystems. 1986
Ecoregional Biological Criteria. 1989
Ecoregions and Subregions of Iowa: A Framework for Water Quality Assessment and Management. 1994
Ecoregions of Alaksa. 1995
Ecoregions of Tennessee. 1997
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 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 Effects of Oyster Restoration in Virgina Habitat and Lease Areas. A Report to the Maryland Department of Natural Resources. 2006
Ecosystem Function in Heterogeneous Landscapes [electronic resource] / 2005
Ecosystem impacts of urbanization assessment methodology / 1976
Ecosystem management research in the Pacific Northwest : five-year research strategy / 1995
Ecosystem Management, Chapter 2. 1997
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 monitoring and ecological indicators : an annotated bibliography / 1994
Ecosystem Monitoring in the Great Lakes: Research Needs, Public Health Implications. 1981
Ecosystem Organization of a Complex Landscape Long-Term Research in the Bornhöved Lake District, Germany / [electronic resource] : 2008
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