Search Results for the EPA National Library Catalog

Items Found: 1987
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Biota of Freshwater Ecosystems. Identification Manual No. 5. The Freshwater Amphipod Crustaceans (Gammaridae) of North America. 1972
Biota of Freshwater Ecosystems. Identification Manual No. 6. Aquatic Dryopoid Beetles (Coleoptera) of the United States. 1972
Biota of Freshwater Ecosystems. Identification Manual No. 7. Freshwater Isopods (Asellidae) of North America. 1972
Blue Crab, 'Callinectes sapidus', Hemocyanin Concentrations as an Indicator of Environmental Conditions in the Albemarle/Pamlico Estuary. 1992
Boreal Forest and Climate Change [electronic resource] / 2008
Boreal Peatland Ecosystems [electronic resource] / 2006
Brazil's Land-Based CO2 Exchange for 1990 and Links to the Global Carbon Cycle. 1995
Briefing Paper: Great Lakes Nonindigenous Invasive Species. 2000
Budd Inlet action plan : initial data summaries and problem identification / 1988
Cannon Beach : wooded wetlands for wastewater treatment. 1993
Capabilities and Limitations of Approaches to In situ Ecological Evaluation. 1989
Carbon Dioxide Sequestration in Terrestrial Ecosystems. 1993
Carbon Pools and Flux on Forested Lands of the United States. 1994
Carbon Sequestration in Forest Ecosystems [electronic resource] / 2010
Carbon Sequestration Potential of Agroforestry Systems Opportunities and Challenges / [electronic resource] : 2011
Carbon Sources and Sinks in Forest Biomes of the Former Soviet Union. 1993
Carbon Storage and Change in Iowa Forest Ecosystem. 2000
Carolina Bays : a natural wastewater treatment program. 1993
Case Studies and Model Testing of the Metals Exposure Analysis Modeling System (MEXAMS). 1986
Categorization Assessment Report for Pesticide Active Ingredients. 1993
Causal assessment of biological impairment in the Bogue Homo River, Mississippi using the U.S. EPA's stressor identification methodology / 2010
Causes and Effects of Changes in Stratospheric Ozone: Update 1983. 1984
Causes and Effects of Stratospheric Ozone Reduction: An Update. 1982
Cell Density and Non-Equilibrium Sorption Effects on Bacterial Dispersal in Groundwater Microcosms. 1992
Challenges in Wetland Restoration and Creation (Book Chapter). 1994
Changing Solar Ultraviolet Climate and the Ecological Consequences for Higher Plants. 1989
Chapter 17: Workgroup Summary Report on Methodological Uncertainty in Conducting Sediment Ecological Risk Assessments with Contaminated Sediments. 1996
Chapter 18: Workgroup Summary Report on an Uncertainty Evaluation of Measurement Endpoints Used in Sediment Ecological Risk Assessments. 1996
Characteristics of Bacteria Adapted to Low Nutrient Conditions in Lake Ontario. 1979
Characteristics of benthic algal communities in the upper Great Lakes / 1980
Characteristics of spilled oils, fuels, and petroleum products : 1. composition and properties of selected oils / 2003
Characteristics of successful riparian restoration projects in the Pacific Northwest / 1991
Characterization of Eastern U.S. Spruce-Fir Soils. 1992
Characterizing the Chesapeake Bay Ecosystem and Lessons Learned. 1987
Chasing Water A Guide for Moving from Scarcity to Sustainability / [electronic resource] : 2014
Chemical and biological studies related to the water quality of St. Louis Bay of Lake Superior / 1984
Chemical and Biotic Characteristics of Two Low-Alkalinity Lakes in Northern Wisconsin: Relation to Atmospheric Deposition. 1993
Chemical and physical properties of refined petroleum products / 1977
Chemical Flux in an Acid-Stressed Stream. 1983
Chemicals Identified in Feral and Food Animals: A Data Base. First Annual Report, October 1981. Volume I. Records 1-532. 1981
Chemistry of sustainable energy / 2014
Chemosphere. climate change effects on northern terrestrial and freshwater ecosystems : presentations from the Symposium held at Artikum, Rovaniemi, Finland, 18-20 September, 1997 Global change science. 1999
Chesapeake 2000 Stream Corridor Restoration Goals Workshop. Held in Hanover, Maryland on May 7, 2003. 2004
Chesapeake Bay 2006 Health and Restoration Assessment. 2007
Chesapeake Bay 2007 health & restoration assessment : a report to the citizens of the Bay region. 2008
Chesapeake Bay : introduction to an ecosystem / 1997
Chesapeake Bay : introduction to an ecosystem. 2000
Chesapeake Bay : introduction to an ecosystem. 1995
Chesapeake Bay : introduction to an ecosystem. 2004
Chesapeake Bay : research summary. 1980
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