Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Development of a selective algaecide to control nuisance algal growth / 1971
Diatom Populations Changes in Lake George (NY). 1972
Dillon Reservoir - Blue River Study. Colorado, June, July, August - 1973. 1974
Distribution and Biotic Effects of Nutrients in Flathead Lake, Montana. 1975
Distribution and relative abundance of dominant plankton diatoms in Lake Michigan 1970
Distribution of cobalt 60, zinc 65, strontium 85, and cesium 137 in a freshwater pond / 1967
Distribution of phytoplankton in Illinois lakes / 1978
Distribution of phytoplankton in Indiana lakes / 1978
Distribution of phytoplankton in Iowa lakes / 1979
Distribution of phytoplankton in Maryland lakes / 1977
Distribution of phytoplankton in Mississippi lakes / 1977
Distribution of phytoplankton in South Carolina lakes / 1977
Distribution of phytoplankton in Texas lakes / 1979
Diversity of surface nannoplankton communities sampled on Chesapeake Bay cruises of R/V Pathfinder and R/V Observer : January 1960 - January 1961. 1961
Dynamics of Phytoplankton Blooms in Puget Sound, a Fjord in the Northwestern United States. 1974
Ecological Characterization of Coastal Maine (North and East of Cape Elizabeth). Volume 2. 1980
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 in Lakes Superior, Michigan, and Huron 1970
Ecology of the Second Trophic Level of Lakes Superior, Michigan, and Huron. 1970
Ecology of Thermal Additions Lower Hudson River Cooperative Fishery Study Vicinity of Indian Point, Buchanan, New York. 1970
Effect of Barite (BaSO4) on Development of Estuarine Communities. 1977
Effect of Dredging on the Nutrient Levels and Biological Populations of a Lake. 1972
Effect of pH on the Release of Phosphorus from Potomac River Sediments. 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
Effect of Waste Discharges Into a Silt-Laden Estuary. A Case of Cook Inlet, Alaska. 1972
Effects and fate of sewage chlorination products in phytoplankton / 1979
Effects of Age and Water Fluctuations on the Limnological Factors of Impounded Waters. 1971
Effects of Atrazine on Microcosms Developed from Four Natural Plankton Communities. 1989
Effects of Continuous Chlorination on Entrained Estuarine Plankton. 1980
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 diversion and alum application on two eutrophic lakes / 1978
Effects of DOWICIDE (Trade Name) G-ST on Development of Experimental Estuarine Macrobenthic Communities. 1978
Effects of exhaust from two-cycle outboard engines. 1974
Effects of Fluorene on Microcosms Developed from Four Natural Communities (Journal Version). 1988
Effects of Ground ULV (Ultra-Low Volume) Applications of Fenthion on Estuarine Biota. 5. Responses of Field and Laboratory Estuarine Benthic Communities. 1985
Effects of Plankton on Water Supplies in the Niagara River Area. 1948
Effects of Pollution on Biota of the Pigeon River, North Carolina and Tennessee. 1966
Effects of Sevin on Development of Experimental Estuarine Communities. 1979
Effects of Some Representative Petroleum Refinery Effluent Compounds on Photosynthesis and Growth of Natural Marine Phytoplankton Assemblages. Part 1. Cresols. 1981
Effects of Stratospheric Ozone Depletion on Marine Organisms. 1989
Effects of suspended solids on selected estuarine plankton 1976
Effects of Thermal Loading and Water Quality on Estuarine Primary Production. 1970
Effects of Toxicants on Plankton. 1982
Entrainment at a once-through cooling system on western Lake Erie / 1978
Environmental Assessment of an Active Oil Field in the Northwestern Gulf of Mexico, 1977-1978. Volume II. Data Management and Biological Investigations. 1979
Environmental Assessment of Buccaneer Gas and Oil Field in the Northwestern Gulf of Mexico, 1975-1980. Volume V. Hydrocarbons, Biocides and Sulfur. 1980
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