Search Results for the EPA National Library Catalog

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Changes in the Zooplankton Community in Response to Reductions in Nutrient Loading to Saginaw Bay (Lake Huron) : Project Summary / 1983
Characteristics of fish populations in upper Mississippi River backwater areas / 1965
Chemical dynamics in fresh water ecosystems / 1992
Chesapeake Bay low freshwater inflow study Map folio. 1984
Chesapeake Bay low freshwater inflow study. 1984
Chromium, cadmium, arsenic, selenium, mercury, and aquatic life : a brief literature review 1971
Chronic Effects of Contaminated Sediment on 'Daphnia magna' and 'Chironomus tentans' (Journal Version). 1988
Chronic Toxicity of 3,4-dichloroaniline to Algae, Invertebrates and Fish in Outdoor Ponds with Cover Letter dated 103086. 2000
Cladophora in the Great Lakes 1974
Classification of Idaho's freshwater lakes 1983
Coastal and shoreline erosion action agenda for the Gulf of Mexico : first generation-management committee report. 1994
Combined effects of cadmium and zinc on a Lake Michigan zooplankton community / 1980
Combined Sewer Overflow: Balancing Flow for CSO Abatement. 1991
Comments and Information on Calcium Naphthenate with Cover Letter dated 092783 (summary of Reports Preformed on Calcium Napthenate Products). 1983
Common marsh, underwater, and floating-leaved plants of the United States and Canada. 1972
Community and evolutionary ecology of North American stream fishes 1987
Community ecology of stream fishes : concepts, approaches, and techniques / 2010
Community productivity and energy flow in an enriched warm-water stream / 1972
Community structure, nutrient dynamics, and the degradation of diethyl phthalate in aquatic laboratory microcosms / 1983
Comparative Acute Sensitivity of Larval Topsmelt, 'Atherinops affinis', and Inland Silverside, 'Menidia beryllina', to 11 Chemicals. 1992
Comparative toxicity of sewage-effluent disinfection to freshwater aquatic life / 1975
Comparative toxicity of sewage-effluent disinfection to freshwater aquatic life / 1975
Comparison of abundance and diversity of young fishes and macroinvertebrates between two Lake Erie wetlands 1995
Comparison of some new and old indices and measurements of trophic state / 1979
Comprehensive revision of a worldwide collection of freshwater sponges (Porifera: Spongillidae) / 1968
Concentration factors and transport models for radionuclides in aquatic environments : a literature report / 1976
Conservation management of freshwater habitats : lakes, rivers, and wetlands / 1997
Conservation monitoring in freshwater habitats : a practical guide and case studies / 2010
Conservation priorities for freshwater biodiversity in the Upper Mississippi River basin / 2003
Contaminated Sediments News: Number 7, December 1992. 1992
Continuing ecological research on the Ohio River 1976 : Population and spawning studies -- Final -- / 1977
Continuous automated monitoring of chemical and physical characteristics of the Red Cedar River / 1969
Culture and ecology studies of the rotifer, polyarthra vulgaris. 1977
Cumulative effects on landscape systems of wetlands : scientific status, prospects, and regulatory perspectives / 1988
Current and Historical Freshwater Inflows to Tampa Bay, Florida. 1995
Current distributional information on freshwater mussels (family Unionidae) in Mississippi national forests 1995
Cyanobacterial toxins of drinking water supplies : cylindrospermopsins and microcystins / 2005
Cyanotoxins : occurrence, causes, consequences / 2001
Cytotoxicity Study Testing Triton X-100, with Cover Letter dated 03/25/1999. 1999
Daily ration estimates for young-of-the-year yellow perch (Perca flavescens) and sunfish (Lepomis spp.) from Lake Itasca, Minnesota / 1990
Description, distribution, and ecology of the rotifer and crustacean plankton communities, Flathead Lake, Montana. 1972
Detailed study of water quality, bottom sediment, and biota associated with irrigation drainage in the Klamath Basin, California and Oregon, 1990-92 / 1996
Determination of Silicone Absorbed by Fish Employed in a Long Term Toxicity Test (3 Months) with Cover Letter Dated 04/20/1994 (In French). 1994
Determining the Acute Toxicity of the Test Substance to Leuciscus Idus Melanotus (Freshwater Fish) in Static Freshwater with n-Butyraldehyde. 2011
Development of a methodology for use of freshwater clams as biological response system to monitor the nearshore environment of the lower Great Lakes 1988
Development of a provisional physical habitat index for Maryland freshwater streams 1999
Development of a Provisional Physical Habitat Index for Maryland Freshwater Streams. 1999
Development of dissolved oxygen criteria for freshwater fish / 1973
Developmental biology of freshwater invertebrates 1982
Die Seusswasser-flora Mitteleuropas / 1930
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