Search Results for the EPA National Library Catalog

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Phytoplankton dynamics in the North American Great Lakes / 1996
Phytoplankton dynamics of the fresh, tidal Potomac River, Maryland, for the summers of 1979 to 1981 / 1988
Phytoplankton ecology structure, function, and fluctuation / 1986
Phytoplankton Found in the Kansas River System. 1969
Phytoplankton growth and chlorophyll levels in the Sacramento-San Joaquin delta through San Pablo Bay / 1977
Phytoplankton manual 1978
Phytoplankton Modeling in the Embayments of Lakes. 1983
Phytoplankton of Chesapeake Bay; an illustrated guide to the genera. 1967
Phytoplankton of Minnesota Lakes. A Preliminary Survey. 1971
Phytoplankton of the Potomac estuary, 1968, 1970, 1971 1980
Phytoplankton photosynthesis and its relationship to oxygen in Grays Harbor, Washington / 1967
Phytoplankton pigments : characterization, chemotaxonomy, and applications in oceanography / 2011
Phytoplankton pigments in oceanography : guidelines to modern methods / 1997
Phytoplankton production and standing stock in the main basin of Puget Sound {final report} / 1977
Phytoplankton productivity : carbon assimilation in marine and freshwater ecosystems / 2002
Phytoplankton Productivity and Standing Crop in the Vicinity of the Lake Huron-Saginaw Bay Front. 1980
Phytoplankton sampling in quantitative baseline and monitoring programs / 1978
Phytoplankton Species and Populations in the Pamlico River Estuary of North Carolina. 1971
Phytoplankton Species Composition, Abundance and Distribution in Southern Lake Huron, 1980, Including a Comparative Analysis with Conditions in 1974 Prior to Nutrient Loading Reductions. 1983
Phytoplankton species composition, size structure, and biomass and their possible effect on copepod food availability in the low salinity zone of the San Francisco Bay/Delta Estuary 1998
Phytoplankton studies in the Nanticoke area of Lake Erie 1969-78 1979
Phytoplankton succession from 1968 to 1990 in the subarctic Lokka reservoir = Yhteenveto : Kasviplanktonin kehitys vuosina 1968-1990 subarktisessa Lokan tekoaltaassa / 1995
Phytoplankton water quality relationships in U.S. lakes / 1978
Phytoplankton water quality relationships in U.S. lakes / 1978
Phytoplankton water quality relationships in U.S. lakes / 1979
Phytoplankton water quality relationships in U.S. lakes. 1981
Phytoplanktonic Nitrogen as an Index of Cultural Eutrophication. 1971
Pilot Program to Determine the Effect of Selected Nutrients (Dissolved Organics, Phosphorus, and Nitrogen) on Nuisance Algal Growth in American Falls Reservoir. 1972
Plankton analysis : training manual / 1975
Plankton community and hydraulic characterization preliminary to lake flushing / 1969
Plankton of the Strait of Juan de Fuca, 1976-1977 / 1980
Plankton production 1977
Plankton Removal Tests and Potable Water Survey at Naval Station, Argentia, Newfoundland. 1955
Polyunsaturated hydrocarbon (3,6,9,12,15,18,-Heneocosahexaene) in the marine food web 1970
Power plants, chlorine, and estuaries / 1976
Preimpoundment Study of West Point Lake, Georgia. 1972
Preliminary results of the 1978-1979 Lake Erie intensive study : phytoplankton / 1981
Primary productivity by phytoplankton in the tidal, fresh Potomac River, Maryland, May 1980 to August 1981 1983
Primary productivity in the Chesapeake Bay during the summer of 1964 1967
Principles of Toxicity Testing with Marine Unicellular Algae. 1988
Probabilistic ecological risk assessment of tributyltin in the Chesapeake Bay watershed : final report / 1998
Proceedings : biostimulation - nutrient assessment workshop / 1975
Proceedings of the Second American-Soviet symposium on the use of mathematical models to optimize water quality management : Bloomfield Hills, Michigan, USA, August 27-30, 1979 / 1980
Production cycles in aquatic microcosms / 1977
Quarterly report to Commonwealth Edison Company, Chicago, Illinois : benthos study at State Line Generating Station. 0
Rates of photosynthesis and phytoplankton growth in Shagawa Lake, Minnesota / 1973
Rates of Photosynthesis and Phytoplankton Growth in Shagawa Lake, Minnesota. 1973
Reservoir ecosystems and western coal development in the upper Missouri River / 1977
Response of phytoplankton to acidification in experimental streams 1981
Response of the Spokane River periphyton community to primary sewage effluent and continued investigation of Long Lake : project completion report / 1975
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