Search Results for the EPA National Library Catalog

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Reproductive and Developmental Responses in the Self-Fertilizing Fish, 'Rivulus marmoratus', Induced by the Plasticizer, Di-n-butylphthalate. 1988
Reproductive Behavior of the Atlantic Silverside, 'Menidia menidia' (Pisces, Atherinidae). 1981
Reproductive biology and early life history of fishes in the Ohio River drainage 1990
Reproductive biology and early life history of fishes in the Ohio River drainage / 1990
Reproductive biology and early life history of fishes in the Ohio River drainage / Thomas P. Simon, Robert Wallus. 2004
Reproductive biology and early life history of fishes in the Ohio River drainage. Aphredoderidae through sciaenidae / 2006
Reproductive biology and early life history of fishes in the Ohio River drainage. Vol. 6, Elassomatidae and centrarchidae / 2008
Reproductive Ecology and Spawning Periodicity of the Atlantic Silverside, 'Menidia menidia' (Pisces: Atherinidae). 1982
Reproductive Rhythmicity of the Atherinid Fish, 'Colpichthys regis', from Estero Del Soldado, Sonora, Mexico. 1987
Reproductive Rhythmicity of the Atlantic Silverside. 1984
Republican Basin stream inventory report / 1973
Research activity descriptors : FY 89. 1989
Research activity descriptors, FY89 : October 1988-September 1989 : a contribution to the National Acid Precipitation Assessment Program. 1989
Research and development : an investigation of chemistry and toxicity of ozone-produced oxidants and bromate to selected estuarine species / 1981
Research and development : health and environmental effects profile for direct sky blue 6B / 1987
Research and development : health and environmental effects profile for ethyl acrylate / 1987
Research and development : health and environmental effects profile for methyl acrylate / 1987
Research and development of a selective algaecide to control nuisance algal growth / 1974
Research needs to assess population-level effects of multiple stresses on fish and shellfish / 1982
Research on fish and wildlife habitat / 1982
Research publications of the National Biological Service : January 1995. 1995
Reservoir ecosystems and western coal development in the upper Missouri River / 1977
Reservoir fisheries and limnology. 1971
Residues in Fish, Wildlife, and Estuaries, Mirex Residues in Selected Estuaries of South Carolina--June 1972. 1972
Residues of PCB (Polychlorinated Biphenyls) in a 'Cladophora' Community Along the Lake Huron Shoreline. 1982
Residues of PCB's and DDT in the Western Lake Superior Ecosystem. 1977
Resource inventory of marine and estuarine fishes of the West Coast and Alaska : a checklist of North Pacific and Arctic Ocean species from Baja California to the Alaska-Yukon border / 2005
Resource Seasonality and Fish Diets in an Illinois Stream. 1982
Respirometer with Controlled Water Quality and Computerized Data Acquisition for Experiments with Swimming Fish. 1990
Response of selected forage organisms to predation by the largemouth bass (Micropterus salmoides) 1967
Responses of Early Life History Stages of the Striped Bass, 'Morone saxatilis' to Chlorination. 1977
Responses of fish to environmental changes. 1973
Responses of fishes to a low pH environment / 1981
Responses of selected Chesapeake Bay fish and invertebrate species to natural and artificial thermal increases : a review of the literature / 1978
Responses of some anadromous fishes to varied oxygen concentrations and increased temperatures 1970
Responses of some estuarine fishes to increasing thermal gradients 1971
Responses of some estuarine fishes to increasing thermal gradients, 1972
Responses of teleost fish to environmental stress / 1971
Restoration of Oyster (Crassostrea virginica) Habitat for Multiple Estuarine Species Benefits. A Final Report to the Piscatauqa Region Estuaries Partnership. 2009
Restoring Lake Michigan's ecosystems. 1988
Restoring the natural divide : separating the Great Lakes and Mississippi River basins in the Chicago area waterway system. 2012
Restoring the Willamette River : costs and impacts of water quality control / 1976
Results from a Chronic Aquatic Toxicity Study in Fish with Methyl (aE)-a(methoxymethylene) -2-(6(trifluoromethyl)-2pyridinyl) neacetate star 2. 2009
Results from an Acute Toxicity Study in Fish (Brachydanio rerio) with Rosin Oil. 2011
Results from an Acute Toxicity Study in Fish with 2-Propenoic acid, 2-methyl, 3,3,4,4,5,5,6,6,7, 7,8,8,8-tridecafluorooctyl ester. 2009
Results from an Aquatic Toxicity Study in Fish with Nitrogen containing Heterocycle, Substituted (Star 2). 2009
Results of a Prolonged Fish Early Life Stage Toxicity Screening Study in Zebrafish. 2011
Results of a Range-Finding Developmental Toxicity Study in Rats, an Aquatic Toxicity Study in Daphnia and an Qquatic Toxicity Study in Fish with Nitrogen containing Heterocycle, Substituted. 2009
Results of a Screen Study on Acute/Chronic Toxicity with the Cladoceran (Ceriodaphnia Dubia) and Fish (Pimephales Promelas) on an Internal Olefin Sulfonate Surfactant with Ethoxylated, Propoxylated. 2010
Results of a Screen Study on Acute/Chronic Toxicity with the Cladoceran (Ceriodaphnia dubia) and Fish (Pimephales promelas) on an Internal Olefin Sulfonate Surfactant. 2010
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