Search Results for the EPA National Library Catalog

Items Found: 957

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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
Descriptions and identification of razorback, flannelmouth, white, Utah, bluehead, and mountain sucker larvae and early juveniles 1990
Desk study on the environment in the occupied Palestinian territories / 2003
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 Susswasser-Flora Mitteleuropas : heft 10: Bacillariophyta (Diatomeae) / Friedrich Hustedt ; herausgegeben von Dr A. Pascher. 1930
Dissolved silica in the tidal Potomac River and Estuary, 1979-81 water years 1988
Distribution and dispersal of freshwater animals in Africa, Pacific areas and South America 1995
Distribution of fish, benthic invertebrate, and algal communities in relation to physical and chemical conditions, Yakima River basin, Washington, 1990 1997
Distribution of phytoplankton in Idaho lakes / 1979
Distribution of phytoplankton in Utah lakes / 1979
Distribution of phytoplankton in Washington lakes / 1979
Distribution of phytoplankton in West Virginia lakes / 1977
Distribution of phytoplankton in Wyoming lakes / 1979
Dividing the waters : food security, ecosystem health, and the new politics of scarcity / 1996
Dominant attached filamentous algae of Lake Huron : field ecology and biomonitoring potential 1980 / 1985
Draft Final Report from an Acute Freshwater Fish (Rainbow Trout) 96-hour Toxicity Study Using: 4,4-isopropylidene bis(2-allylphenol). 2014
Dynamic 96-hour Acute Toxicity of Acrylamide Monomer to Fathead Minnow (pimephales Promelas). 2000
Dynamics of arsenic in the aquatic environment / 1968
Early life history of the Florida largemouth bass 1974
Ecological bases for lake and reservoir management : proceedings of the Ecological Bases for Management of Lakes and Reservoirs Symposium, held 19-22 March 1996, Leicester, United Kingdom / 1999
Ecological effects of in-situ sediment contaminants : proceedings of an international workshop, held in Aberystwyth, Wales, 1984 / 1987
Ecology and classification of north american freshwater invertebrates 2009
Ecology and classification of North American freshwater invertebrates 2001
Ecology and classification of North American freshwater invertebrates / 1991
Ecology and utilization of African inland waters 1981
Ecology of bottomland hardwood swamps of the Southeast : a community profile / 1982
Ecology of fresh water / 1971
Ecology of fresh waters : man and medium, past to future / 1998
Ecology of inland waters and estuaries. 1961
Ecology of running waters 2001
Ecology of shallow lakes 1998
Ecology of the second trophic level in Lakes Superior, Michigan, and Huron 1970
Ecology of the zoobenthos of southeastern Lake Michigan near the D.C. Cook Nuclear Power Plant 1984
Ecosystem approach to aquatic ecology : Mirror Lake and its environment / 1985
Ecosystem approach to the integrity of the Great Lakes in turbulent times 1990
Ecosystematic study of the fauna and flora of the Savannah River; 1967
Ecotoxicological testing of marine and freshwater ecosystems : emerging techniques, trends, and strategies / 2005
Effect of 3,4-dichloroaniline on the Growth of Rainbow Trout, Salmo Gairdneri with Cover Letter dated 103086. 2000
Effect of antimycin on instream mussel populations / 1975
Effect of hydrogen sulfide on fish and invertebrates. 1976
Effect of hydrogen sulfide on fish and invertebrates. Part I, Acute and chronic toxicity studies / 1976
Effect of hydrogen sulfide on fish and invertebrates. Part II, Hydrogen sulfide determination and relationship between pH and sulfide toxicity / 1976
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