Search Results for the EPA National Library Catalog

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Climate Warming and the Carbon Cycle in the Permafrost Zone of the Former Soviet Union. 1993
Clyde Pond Orleans County Vermont. 1974
Cokato Lake, Wright County, Minnesota. 1974
Color-Infrared Aerial Photographic Interpretation and Net Primary Productivity of a Regularly Flooded North Carolina Salt Marsh. 1968
Como Lake, Walworth County, Wisconsin. 1975
Comparison of Two Methods to Assess the Carbon Budget of Forest Biomes in the Former Soviet Union. 1993
Compendium of lake and reservior data collected by the National Eutrophication Survey in the western United States 1978
Comprehensive management of phosphorus water pollution, 1974
Deep Creek Lake, Garrett County, Maryland. 1975
Deer Creek Reservoir, Fayette and Pickaway Counties, Ohio. 1975
Degradation of Riparian Leaves and the Recycling of Nutrients in a Stream Ecosystem. 1972
Delavan Lake, Walworth County, Wisconsin. 1974
Determination of a Nitrogen-Phosphorus Budget for Bayou Texar, Pensacola, Florida. 1972
Determination, Assessment, and Design of 'In-Stream Value' Studies for the Northern Great Plains Region. 1974
Dillon Reservoir - Blue River Study. Colorado, June, July, August - 1973. 1974
Dillon Reservoir, Muskingum County, Ohio. 1975
Distribution and Biotic Effects of Nutrients in Flathead Lake, Montana. 1975
Dynamics of Phytoplankton Blooms in Puget Sound, a Fjord in the Northwestern United States. 1974
Ecologic Impact of the Interactions Among Microorganisms and Aquatic Contaminants in Lake Erie. Phase III. Parts 5, 6, and 7. 1973
Ecologic Impact of the Interactions Among Microorganisms and Aquatic Contaminents in Lake Erie, Phase I and Phase II. 1971
Ecological Study of the Missouri River Prior to Channelization. 1974
Ecosystem Perspective on Potential Impacts of Drilling Fluid Discharges on Seagrasses. 1987
Ecosystems analysis of the Big Cypress Swamp and estuaries / 1973
Effect of Spectral Composition on Photosynthesis in Turbid Reservoirs. Photosynthetic Production in a Turbid Reservoir II. Details of an Incubation Model and Comments on the Effect of Light Quality on Photosynthesis. 1972
Effects of Canopy Modification and Accumulated Sediment on Stream Communities. 1981
Effects of Copper Sulfate on Certain Algae and Zooplankters in Winnisquam Lake, New Hampshire. 1970
Effects of Enrichment on Lake Superior Periphyton. 1973
Effects of Extreme Floods and Placer Mining on the Basic Productivity of Sub Arctic Streams. 1971
Effects of nutrient enrichment, light intensity, and temperature on growth of phytoplankton from Lake Huron / 1979
Effects of Physical Gradients on the Production Dynamics of Sediment-Associated Algae. 1983
Effects of Thermal Loading and Water Quality on Estuarine Primary Production. 1971
Effects of Thermal Loading and Water Quality on Estuarine Primary Production. 1970
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 Ultraviolet-B Radiation on Primary Production along Latitudinal Transects in the South Pacific Ocean. 1993
Elbow Lake, St. Louis County, Minnesota. 1974
Embarrass Lake, St. Louis County, Minnesota. 1974
Estes Lake, York County, Maine. 1974
Estuarine Ecosystems and High Temperatures. 1972
Estuarine pollution control and assessment : proceedings of a conference. 1977
Estuarine Pollution, A Bibliography. 1973
Estuary Studies (161.3). Training Manual. 1972
Eutrophication of Lake Tahoe emphasizing water quality / 1974
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 the algal assay procedure / 1976
Experimental Studies on Phytoplankton Succession in Cayuga Lake. 1973
Fate of Nitrogen in Aquatic Ecosystems. 1972
Field and Laboratory Investigations to Evaluate the Influence of Nitrilotriacetic Acid (NTA) on Eutrophication. 1970
Fontana Lake, Swain and Graham Counties, North Carolina. 1975
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