Search Results for the EPA National Library Catalog

Items Found: 419
Showing: Items 151 - 200
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Ecological modeling and estimation of stress 1975
Ecological study of the phytoplankton of Raritan Bay 1965
Ecology of aquatic insects 1984
Ecology of inland waters and estuaries / 1976
Ecology of inland waters and estuaries. 1961
Economic valuation of aquatic ecosystems 1986
Ecoregions: A Spatial Framework for Environmental Management. 1993
Ecosystem process modeling of submerged aquatic vegetation in the lower Chesapeake Bay / 1994
Ecosystem restoration to restore water quality : an unrealized opportunity for practitioners and researchers / 2003
Ecosystem-based management, ecosystem services and aquatic biodiversity : theory, tools and applications / 2020
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 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
Effects of acid precipitation on aquatic resources : results of modeling workshops / 1982
Effects of acid precipitation on aquatic resources results of modeling workshops / 1988
Effects of contaminants on aquatic ecosystems : experiments with microcosms and outdoor ponds : a synthesis report / 1985
Effects of ionizing radiation on aquatic organisms and ecosystems. 1976
Effects of mirex, methoxychlor, and malathion on development of crabs / 1976
Effects of mirex, methoxychlor, and malathion on development of crabs / 1976
Effects of ozone depletion on aquatic ecosystems 1997
Effects of pollutants on aquatic organisms / 1976
Effects of pollutants on submarine plant synecology / 1977
Effects of pollutants on submarine plant synecology / 1977
Effects of thermal pollution on productivity and stability of estuarine communities 1971
Effects of watershed development and management on aquatic ecosystems : proceedings of an engineering foundation conference / 1997
Energy and environmental stress in aquatic systems : selected papers from a symposium held at Augusta, Georgia, November 2-4, 1977 / 1978
Environmental physiology of fresh water planktonic crustacea / 1972
Estuarine nutrient cycling : the influence of primary producers : the fate of nutrients and biomass / 2010
Estuarine nutrient cycling : the influence of primary producers : the fate of nutrients and biomass / 2004
Eutrophication in planktonic ecosystems : food web dynamics and elemental cycling : proceedings of the Fourth International PELAG Symposium, held in Helsinki, Finland, 26-30 August 1996 / 1998
Evaluation of aquatic nutrient criteria development 2001
Evaluation of dredged material pollution potential 1978
Evaluation of protocols for aquatic ecological risk assessment and risk management 1990
Evolution and the aquatic ecosystem defining unique units in population conservation / 1995
Exploration of antarctic subglacial aquatic environments : environmental and scientific stewardship / 2007
Fact Sheet: Aquatox Release 1: Simulation Model for Aquatic Ecosystems 2000
Fate and effects of nitrogen and phosphorous in shallow vegetated aquatic ecosystems / 2006
Fate of 3,3'-Dichlorobenzidine in aquatic environments / 1978
Feasibility of large-scale aquatic microcosms final report / 1982
Final report : Aquatic Risk Assessment and Mitigation Dialogue Group / 1994
First symposium of research on problems relating to water pollution in the Pacific Northwest. 1957
Fish resources and aquatic habitat impact assessment methodology for the Ohio River Basin energy study region / 1980
Fisheries Management: Integrating Societal Preference, Decision Analysis, and Ecological Risk Assessment. 1997
Fourth annotated bibliography on biological effects of metals in aquatic environments (no. 2247-3132) / 1979
Fourth national workshop on entrainment and impingement : 5 December 1977, Hyatt Regency O'Hare Hotel, Chicago, Illinois / 1978
Fox River and Fox Chain of Lakes study : report of sampling for biological parameters, Wilmot, Wisconsin to Ottawa, Illinois : May 5 - June 13, 1969. 1969
Freshwater micro-ecosystem development and testing of substitute chemicals / 1980
From the forest to the sea : the ecology of wood in streams, rivers, estuaries, and oceans / 1994
Functional ecology of submerged aquatic vegetation in the lower Chesapeake Bay : Chapter 1 program overview and contents / 1981
Fundamentals of aquatic ecology 1991
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