Search Results for the EPA National Library Catalog

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Proceedings of the eighth annual Aquatic Toxicity Workshop : November 2-4, 1981, Guelph, Ontario / 1983
Proceedings of the first and second USA-USSR symposia on the effects of pollutants upon aquatic ecosystems. 1978
Proceedings of the Florida Acidic Deposition Conference : October 22-24, 1990, Tampa Hilton at Metro Center / 1991
Proceedings of the International Conference on Transport of Persistent Chemicals in Aquatic Ecosystems : Ottawa, Canada, May 1-3, 1974 = Comptes rendus de la Conférence internationale sur le transport des produits chimiques persistants dans les cosystèmes aquatiques : Ottawa, Canada, 1-3 Mai, 1974. 1974
Proceedings of the Tenth Pacific Northwest Symposium on Water Pollution Research : toxicity in the aquatic environment / 1961
Proceedings of the third USA-USSR Symposium on the Effects of Pollutants Upon Aquatic Ecosystems : theoretical aspects of aquatic toxicology, July 2-6, 1979, Borok, Jaroslav Oblast, USSR / 1980
Proceedings of the twelfth annual Aquatic Toxicity Workshop, November 5-8, 1985, Thunder Bay, Ontario = Comptes rendus des communications du douzième atelier annuel sur la toxicité aquatique du 5 au 8 novembre 1985, Thunder Bay, Ontario / 1986
Proceedings of the Workshop on Aquatic Ecosystem Modeling and Assessment Techniques for Application within the U.S. Army Corps of Engineers 1998
Proceedings, 27th annual meeting, Aquatic Plant Control Research Program 16-19 November 1992, Bellevue, Washington / 1993
Proceedings, 28th Annual Meeting, Aquatic Plant Control Research Program 15-18 November 1993, Baltimore, Maryland / 1994
Production cycles in aquatic microcosms / 1977
Protecting aquatic ecosystems : a guide for Puget Sound planners to understand watershed processes / 2005
Protection of water resources and aquatic ecosystems 1993
Quality assurance guidelines for biology in aquatic environment protection 1991
Quantitative aquatic biological indicators : their use to monitor trace metal and organochlorine pollution / 1980
Reaching new heights : a handbook for developing community-based ecosystem health goals, objectives and indicators / written by Kathy Grant, illustrations and manual design by Tom Moore. 1997
Readings in aquatic ecology / 1972
Recovery of lotic communities and ecosystems following disturbance : theory and application / 1990
Recruitment of Crassostrea virginica : a tool for monitoring the aquatic health of the Sapelo Island National Estuarine Research Reserve / 1994
Relationship of three submersed macrophytes to sediment particle size and total carbon composition in Buffalo Harbor, New York 1981
Report in brief on second symposium on research related to water pollution in the Northwest. 1958
Report of the Aquatic Ecosystem Objectives Committee. 1980
Report on fishes, with special reference to anadromous species, taken in sampling during and after hydraulic dredging in the vicinity of Wilmington Marine Terminal during April through June 1976 1976
Report on the assessment of aquatic environmental impact of Union Carbide's Uravan operations on site toxicity bioassays / 1976
Report on the remedial action to isolate DDT from people and the environment in the Hunstsville Spring Branch-Indian Creek System, Wheeler Reservoir, Alabama : review panel activities (United States v. Olin Corporation consent decree) May 31, 1983-June 30, 1986. 1986
Report to the President on the implementation of the Great Lakes Executive Order 2005
Research strategy : Environmental Monitoring and Assessment Program. 2002
Research study for the development of dredged material disposal criteria : final report / 1975
Respiration in aquatic ecosystems / 2005
Responses of submersed vascular plant communities to environmental change : performed for Eastern Energy and Land Use Team, National Water Resources Analysis Group, Office of Biological Services, Fish and Wildlife Service, U.S. Department of the Interior / 1980
Responses of submersed vascular plant communities to environmental change, summary performed for Eastern Energy and Land Use Team, National Water Resources Analysis Group, Office of Biological Services, Fish and Wildlife Service, U.S. Department of the Interior / 1980
Restoration of aquatic ecosystems : science, technology, and public policy / 1992
Restoration of aquatic ecosystems : science, technology, and public policy / 1992
Restoration of aquatic systems 2006
Return of the natives : reclaiming biodiversity for a world class region ; a community guide for restoration of fish & aquatic species / 2004
Review of single species toxicity tests : are the test reliable predictors of aquatic ecosystem community responses? / 1999
Role of bioaccumulation in environmental risk assessment the aquatic environment and related food webs. 1995
Role of particular matter in the fate of contaminants in aquatic ecosystems 1986
Scientific review of cyanide ecotoxicology and evaluation of ambient water quality criteria / 2007
Screen for the relative persistence of lipophilic organic chemicals in aquatic ecosystems an analysis of the role of a simple computer model screening. 1981
Seasonal and spatial distribution of zooplankton in a flood control reservoir and tailwater 1983
Second Annotated bibliography on biological effects on [i.e. of] metals in aquatic environments (no. 568-1292) / 1975
Second report on the remedial action to isolate DDT from people and the environment in the Huntsville Spring Branch-Indian Creek System, Wheeler Reservoir, Alabama : review panel activities (United States v. Olin Corporation consent decree) July 1, 1986-June 30, 1990. 1990
Sediment transport, hydraulic retention devices and aquatic habitat in sand-bed channels 1993
Sediment-water-biomass interactions of toxic metals in the western basin, Lake Erie / 1978
Selected aquatic ecology, surface-water quality, and ground-water studies in the Santee River Basin and coastal drainages, North and South Carolina, 1996 1997
Selenium in aquatic organisms from seleniferous habitats / 1978
Significance of heavy metals in urban runoff entering the Occoquan reservoir 1981
Societal values and the proper role of restoration ecologists 2003
Sources and distribution of trace metals in aquatic environments 1974
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