Search Results for the EPA National Library Catalog

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Effects of Protozoa on the Fate of Particulate Carbon. 1973
Effects of selected wastewater chlorination products and captan on marine algae / 1977
Effects of Thermal Loading and Water Quality on Estuarine Primary Production. 1970
Effects of Thermal Loading and Water Quality on Estuarine Primary Production. 1971
Effects of Thermal Pollution on Productivity and Stability of Estuarine Communities. 1971
Effects of Three Emulsifying Agents Against Crude Oil on the Primary Productivity of an Experimental Community of Benthic Diatoms (Effets de Trois Agents Emulsionnants Anti-Petrole Sur la Productivite Primaire Dune Communaute Experimentale de Diatomees Benthiques). 1974
Effects of Trends in Tillage Practices on Erosion and Carbon Content of Soils in the U.S. Corn Belt. 1993
Effects of Ultraviolet-B Radiation on Primary Production along Latitudinal Transects in the South Pacific Ocean. 1993
Effects of water-column enrichment on the production dynamics of three seagrass species and their epiphytic algae / 1996
Elbow Lake, St. Louis County, Minnesota. 1974
Embarrass Lake, St. Louis County, Minnesota. 1974
Enlightened leadership : getting to the heart of change / 1994
Environmental and economic impact of agricultural land use conversion : an evaluation methodology / 1980
Environmental Protection Agency : accompanying report of the National Performance Review / 1994
Estes Lake, York County, Maine. 1974
Estimated net aerial primary productivity and monitoring of selected characteristics of Spartina alterniflora in Padilla Bay, Washington, April 1992-May 1993 / 1994
Estimating phytoplankton biomass and productivity : final report / 1981
Estuarine Ecosystems and High Temperatures. 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
Estuarine pollution control and assessment : proceedings of a conference. 1977
Estuarine Pollution, A Bibliography. 1973
Estuarine response to nutrient enrichment, a counterpart of eutrophication : a bibliography / 1979
Estuarine response to nutrient enrichment, a counterpart of Eutrophication : an annotated bibliography / 1979
Estuarine Response to Nutrient Enrichment. A Counterpart of Eutrophication. Volume II. An Annotated Bibliography. 1979
Estuary Studies (161.3). Training Manual. 1972
Eutrophication of Lake Tahoe emphasizing water quality / 1974
Eutrophication of Sheltered Bays in a Large Lake. 1972
Eutrophication of Sheltered Bays in a Large Lake. 1971
Eutrophication of surface waters : Lake Tahoe's Indian Creek Reservoir / 1975
Eutrophication of Water Resources of New York State. Observations on Nutrient Limitation on Summer Phytoplankton in Cayuga Lake, 1967 and 1968. 1970
Evaluation of techniques for measuring biogenic airborne sulfur compounds : Cedar Island field study 1977 / 1979
Evaluation of the algal assay procedure / 1976
Evolution in Lake Tai Ecosystems as a Result of Global Environmental Changes and Human Activities. 1996
Evolution of primary producers in the sea / 2007
Experimental Studies on Phytoplankton Succession in Cayuga Lake. 1973
Extreme government makeover : increasing our capacity to do more good / 2014
Factor five : transforming the global economy through 80% improvements in resource productivity : a report to the Club of Rome / 2009
Factors limiting primary productivity in turbid Kansas reservoirs / 1975
Farmer's decision : balancing economic agriculture production with environmental quality / 2005
Fate of Nitrogen in Aquatic Ecosystems. 1972
Fauna in soil ecosystems : recycling processes, nutrient fluxes, and agricultural production / 1997
Federal Emergency Management Agency : accompanying report of the National Performance Review, Office of the Vice President. 1994
Federal productivity : a management challenge / 1988
Federal Technology Transfer Act : environmental monitoring technologies opportunities. 1992
Federalism in the forest : national versus state natural resource policy / 2002
Feeding tomorrow's world 1990
Fiber Optic Point Quadrat System for Improved Accuracy in Vegetation Sampling. 1983
Field and Laboratory Investigations to Evaluate the Influence of Nitrilotriacetic Acid (NTA) on Eutrophication. 1970
Field guide to evaluate net primary production of wetlands / 1980
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