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United States Environmental Protection Agency
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Search Results for the EPA National Library Catalog
Items Found: 449
Showing: Items 51 - 100
Your Search: (SUBJECT=Biological productivity)
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Browns Ferry Biothermal Research Series. II. Effects of Temperature on Bluegill and Walleye, and Periphyton, Macroinvertebrate, and Zooplankton Communities in Experimental Ecosystems.
Budd Lake, Martin County, Minnesota.
Buffalo Lake, Wright County, Minnesota.
Butternut Lake, Ashland and Price Counties, Wisconsin.
Canandaigua Lake, Ontario and Yates Counties, New York.
Cannonsville Reservoir, Delaware County, New York.
Carbon Dioxide Sequestration in Terrestrial Ecosystems.
Carbon Storage Potential of Short Rotation Tropical Tree Plantations.
Carry Falls Reservoir, St. Lawrence County, New York.
Cass Lake, Beltrami and Cass Counties, Minnesota.
Cayuga Lake, Cayuga, Seneca, and Tompkins Counties, New York.
Characteristics of nonpoint source urban runoff and its effects on stream ecosystems /
Chautauqua Lake, Chautauqua County, New York.
Chesapeake Bay : introduction to an ecosystem.
Chesapeake Bay program technical studies : a synthesis /
Chesapeake Bay Restoration and Protection Plan.
Classification of the Lakes of Oregon.
Clean Lakes Program guidance manual.
Clearwater Lake, Wright and Stearns Counties, Minnesota.
Climate Warming and the Carbon Cycle in the Permafrost Zone of the Former Soviet Union.
Clyde Pond Orleans County Vermont.
Cokato Lake, Wright County, Minnesota.
Color-Infrared Aerial Photographic Interpretation and Net Primary Productivity of a Regularly Flooded North Carolina Salt Marsh.
Comments on 'Scale Factors in Soil Science'.
Community Photosynthesis and Respiration in Experimental Streams.
Community structure, nutrient dynamics, and the degradation of diethyl phthalate in aquatic laboratory microcosms
Como Lake, Walworth County, Wisconsin.
Comparative Study of Standing Crops and of Phosphorus and Nitrogen Contents of Four Macrophyte Stream Communities.
Comparison of Invertebrate Drift in Three Michigan Streams.
Comparison of Two Methods to Assess the Carbon Budget of Forest Biomes in the Former Soviet Union.
Compendium of lake and reservior data collected by the National Eutrophication Survey in the western United States
Comprehensive management of phosphorus water pollution,
Computer Based Floristic Analysis of Pamlico River Phytoplankton.
Conceptual Ecosystem Model of the Corpus Christi Bay National Estuary Program Study Area.
Conversation of Dissolved Manganese to Particulate Manganese During Diatom Bloom: Effects on the Manganese Cycle in the MERL Microcosms.
Deep Creek Lake, Garrett County, Maryland.
Deer Creek Reservoir, Fayette and Pickaway Counties, Ohio.
Degradation of Riparian Leaves and the Recycling of Nutrients in a Stream Ecosystem.
Delavan Lake, Walworth County, Wisconsin.
Determination of a Nitrogen-Phosphorus Budget for Bayou Texar, Pensacola, Florida.
Determination, Assessment, and Design of 'In-Stream Value' Studies for the Northern Great Plains Region.
Detroit River, Michigan: An Ecological Profile.
Dillon Reservoir - Blue River Study. Colorado, June, July, August - 1973.
Dillon Reservoir, Muskingum County, Ohio.
Distribution and Biotic Effects of Nutrients in Flathead Lake, Montana.
Distribution and importance of phytoplankton in the Atchafalaya Basin /
Dynamics of Phytoplankton Blooms in Puget Sound, a Fjord in the Northwestern United States.
Ecologic Impact of the Interactions Among Microorganisms and Aquatic Contaminants in Lake Erie. Phase III. Parts 5, 6, and 7.
Ecologic Impact of the Interactions Among Microorganisms and Aquatic Contaminents in Lake Erie, Phase I and Phase II.
Ecological Characterization of Coastal Maine (North and East of Cape Elizabeth). Volume 2.
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