Search Results for the EPA National Library Catalog

Items Found: 631

Showing: Items 251 - 300

Your Search: (SUBJECT=Aquatic plants.)

 
 
 

PREV 1 2 3 4 5 6 7 8 9 10 11 12 13 NEXT
Select Item Title Year Published
Effects of benthic barriers on macroinvertebrate communities 1993
Effects of climate change on aquatic invasive species / 2010
Effects of Copper Sulfate on Certain Algae and Zooplankters in Winnisquam Lake, New Hampshire. 1970
Effects of cyanophage SAM-1 upon Microcystis aeruginosa / 1977
Effects of diversion and alum application on two eutrophic lakes / 1978
Effects of diversion and alum application on two eutrophic lakes / 1978
Effects of organic amendments to sediment on freshwater macrophyte growth 1983
Effects of pollutants on submarine plant synecology / 1977
Effects of pollutants on submarine plant synecology / 1977
Effects of Pollution on Freshwater Organisms. 1984
Effects of Pulp and Paper Mill Effluents on Growth and Production of Fish. Phases I and II. 1972
Effects of selected inorganic coal-gasification constituents on aquatic life an annotated bibliography / 1983
Effects of Stratospheric Ozone Depletion on Marine Organisms. 1989
Effects of Thermal Loading and Water Quality on Estuarine Primary Production. 1970
Effects of three species of aquatic plants on macroinvertebrates in Lake Seminole, Georgia 1994
Effects of Waste Discharges from Radford Army Ammunition Plant on the Biota of the New River, Virginia. 1973
Effects of wastewater and cooling water chlorination on aquatic life / 1976
Effects of water chemistry on submersed aquatic plants a synthesis / 1990
Effects, Uptake, and Metabolism of Methoxychlor, Mirex, and 2,4-D in Seaweeds. 1976
Environmental effects of Schuylkill oil spill II, June 1972 / 1975
Environmental Impact Statement: Alternative Wastewater Treatment Systems for Rural Lake Projects. Case Study Number 5, Ottertail County Board of Commissioners, Ottertail County, Minnesota. Volume 2. Draft Appendices. 1979
Environmental monitoring and assessment program--surface waters : field operations manual for lakes / 1997
Environmental profiles and hazard indices for constituents of municipal sludge : DDT/DDE/DDD. 1985
Establishing native submersed aquatic plant communities in southern reservoirs 1996
Establishing Quantitative Performance Criteria for Wetland Restoration. 1993
Estimating phytoplankton biomass and productivity : final report / 1981
Estimating toxicity of industrial chemicals to aquatic organisms using structure activity relationships / 1988
Estimating toxicity of industrial chemicals to aquatic organisms using structure activity relationships / 1994
Estuarine Ecosystems and High Temperatures. 1972
Estuarine Pollution, A Bibliography. 1973
Estuary Studies (161.3). Training Manual. 1972
Eutrophication / 1970
Eutrophication and Water Pollution. 1966
Eutrophication of Sheltered Bays in a Large Lake. 1972
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
Eutrophication. 1970
Evaluating the Effect of Offshore Sandbars on Seagrass Recovery and Restoration in Tampa Bay through Ecological Forecasting and Hindcasting of Exposure to Waves. 2002
Evaluation of Color Imagery and Direct Referencing for Mapping Submersed Aquatic Vegetation in Chesapeake Bay. Final Report. 2009
Evaluation of Environmental Alterations by Thermal Loading and Acid Pollution in the Cooling Reservoir of a Steam-Electric Station. 1970
Evaluation of low order stream quality in central Iowa / 1997
Evaluation of the effect of benthic barrier placement on sediment physical and chemical conditions 1995
Evaluation of the effects of the thermal discharge on the submerged aquatic vegetation and associated fauna in the vicinity of the C.P. Crane Generating Station ; prepared for State of Maryland, Dept. of Natural Resources 1980
Evaluation of the National Invasive Species Act to Support Its Reauthorization. Proceedings Document of the Symposium 'Looking Forward, Looking Back: Assessing Aquatic Nuisance Species Prevention and Control'. Held in Ann Arbor, Michigan, May 15-16, 2001. 2002
Experimental Acidification of Little Rock Lake, Wisconsin. 1986
Exposure of Florida Airboat Aquatic Weed Applicators to 2,4-Dichlorophenoxyacetic Acid (2,4-D). 1983
Factors controlling the formation of oxidized root channels a review and annotated bibliography / 1993
Factors Regulating the Spatial and Temporal Distribution of 'Cladophora' and 'Ulothrix' in the Laurentian Great Lakes. 1983
Fate and effects of nitrogen and phosphorous in shallow vegetated aquatic ecosystems / 2006
Fate of 2,4-D in fish and blue crabs : final report 1977
PREV 1 2 3 4 5 6 7 8 9 10 11 12 13 NEXT

Save, Print or Email Selected Records

Contact Us to ask a question, provide feedback, or report a problem.