Search Results for the EPA National Library Catalog

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Ecological Studies and Mathematical Modeling of 'Cladophora' in Lake Huron: 7. Model Verification and System Response. 1982
Ecological Study of the Missouri River Prior to Channelization. 1974
Ecology and Productivity of Strip-Mine Areas in Mercer County, Pennsylvania. 1974
Ecology of Floodplain Pools in the Kaskaskia River Basin of Illinois. 1973
Ecology of the Second Trophic Level of Lakes Superior, Michigan, and Huron. 1970
Ecosystem Changes in Lakes Erie and Ontario. 1981
Ecosystem Perspective on Potential Impacts of Drilling Fluid Discharges on Seagrasses. 1987
Ecosystems analysis of the Big Cypress Swamp and estuaries / 1973
Effect of Secondary Effluents on Eutrophication in Las Vegas Bay, Lake Mead, Nevada. 1986
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 CO2 and climate change on forest trees : research plan. 1993
Effects of Copper Sulfate on Certain Algae and Zooplankters in Winnisquam Lake, New Hampshire. 1970
Effects of Development on Salinity and Limnology of the Lower Colorado River. 1973
Effects of Different Mixing Schedules on Phytoplankton, Zooplankton and Nutrients in Marine Microcosms. 1981
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 limnological factors on water treatment : completion report / 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 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 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
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
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
Field Sampling in Estuaries: The Relationship of Scale to Variability. 1987
Fontana Lake, Swain and Graham Counties, North Carolina. 1975
Food web model for Lake Michigan. Part 2. Model formulation and preliminary verification 1975
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