Search Results for the EPA National Library Catalog

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Some effects of spring snowmelt runoff on aquatic invertebrate populations in a high mountain stream / 1974
Some Factors Influencing the Distribution of the Snail Neritina reclivata. 1981
Sorption and Toxicity of Azo and Triphenylmethane Dyes to Aquatic Microbial Populations. 1985
Sorption of soluble phosphates by freshwater sediments in the Hudson River Basin, Michigan 1971
Sources and distribution of trace metals in aquatic environments 1974
Sources, Fates, And Effects Of Aromatic Hydrocarbons In The Alaskan Marine Environment With Recommendations For Monitoring Strategies. 1986
South Florida ecosystem assessment monitoring for adaptive management: implications for ecosystem restoration (interim report) / 1996
Southwest Florida shelf ecosystems study / 1987
Southwest Florida shelf ecosystems study. Year 1 / 1983
Southwest Florida shelf regional biological communities survey : year 3, final report / 1987
Spatial pattern in plankton communities 1978
Spatial Patterns of Marine Larvae as Indicators of Incipient Invasions in Great Bay, NH. A Final Report to the New Hampshire Estuaries Project. 2006
Spatial Variability in Podzolic Soils of Central and Northern Europe. 2007
Spawning Migration of the European Eel Reproduction Index, a Useful Tool for Conservation Management / [electronic resource] : 2009
Special Applications of Insect Gut Microflora in Kinetic Studies of Microbial Substrate Removal Rates. 1989
Special Collections of United States Environmental Protection Agency Libraries. 1972
Special report on environmental endocrine disruption : an effects assessment and analysis / 1997
Species Diversity of Benthic Macroinvertebrates in Three Michigan Streams. 1969
Species of Genus Melosira AG. of Amur River Plankton (O Vidakh roda Melosira ag. Planktona reki Amur). 1974
Species profiles : life histories and environmental requirements (Gulf of Mexico) : Atlantic croaker / 1983
Species profiles : life histories and environmental requirements (Gulf of Mexico) : gulf menhaden / 1983
Species profiles : life histories and environmental requirements (Gulf of Mexico) : spotted seatrout / 1983
Species profiles : life histories and environmental requirements (Gulf of Mexico). Brown shrimp / 1983
Species profiles : life histories and environmental requirements of coastal fishes and invertebrates (North Atlantic) : hard clam / 1983
Species profiles : life histories and environmental requirements of coastal fishes and invertebrates (North Atlantic). White perch / 1983
Species profiles : life histories and environmental requirements of coastal fishes and invertebrates (Pacific Northwest). Chinook salmon / 1983
Species profiles : life histories and environmental requirements of coastal fishes and invertebrates (South Atlantic) : blue crab / 1984
Species profiles life histories and environmental requirements of coastal fishes and invertebrates (Mid-Atlantic) Hard clam / 1985
Species profiles life histories and environmental requirements of coastal fishes and invertebrates (North Atlantic) : American lobster / 1985
Species profiles, life histories and environmental requirements of coastal vertebrates and invertebrates Pacific Ocean Region amphidromous macrofauna of Hawaiian Island streams / 1990
Species profiles: life histories and environmental requirements of coastal fishes and invertebrates (Mid-Atlantic) Alewife/blueback herring / 1983
Specific production of aquatic invertebrates / 1973
Specificity of Cellular DNA-Binding Sites of Microbial Populations in a Florida Reservoir. 1989
Speed of action of metals acute toxicity to aquatic life. 1995
Spotlight on research, 1991 / 1992
Spotlight on research, 1992 / 1993
St. Marys River, Michigan: An Ecological Profile. 1987
Stable Carbon Isotope Analysis of Nucleic Acids to Trace Sources of Dissolved Substrates Used by Estuarine Bacteria. 1990
Standard operating procedure : GC/MS analysis of fish, sediment and water for volatile organic compounds / 1983
Standard operating procedures for conducting acute and chronic aquatic toxicity tests with Eurytemora affinis, a Calanoid copepod / 1998
Standard operating procedures for stream assessments and biological collections related to biological criteria in Oklahoma. 1999
Standards for heavy metal discharges / 1975
State Highway 9 (Frisco to Breckenridge), Draft Environmental Impact Statement & 4(f) Evaluation, Volume 1 2002
State of the art: 1603 - biological identification - microbiological pollution indicators / 1968
State of the Chesapeake Bay : third biennial monitoring report, 1989 / 1990
State of the Chesapeake Bay: Second Annual Monitoring Report, Compendium. 1987
State of the Estuaries 2003: New Hampshire Estuaries Project. 2003
State of the Estuaries, 2006: New Hampshire Estuaries Project. 2006
State of the Estuaries, 2009. Psicataqua Region. 2011
State of the Estuary 2000 : restoration primer : San Francisco Bay Sacramento-San Joaquin River Delta Estuary / 2000
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