Search Results for the EPA National Library Catalog

Items Found: 388
Showing: Items 351 - 388
Your Search: (SUBJECT=Fresh water biology)


 
 
 
PREV 1 2 3 4 5 6 7 8
Select Item Title Year Published
Streams, lakes, ponds / 1954
Strip mine drainage - Aquatic impact assessment / 1979
Studies on Benthic Nematode Ecology in a Small Freshwater Pond. 1973
Studies on the productivity and plankton of Lake Superior, 1961
Studies to determine methods for culturing three freshwater zooplankton species / 1975
Study of Pathogenic Free-Living Amebas in Fresh-Water Lakes in Virginia. 1980
Summary of recent technical information concerning thermal discharges into Lake Michigan / 1972
Survival of daphnia, crayfish, and stoneflies in air-supersaturated water / 1976
Survival, Blood Osmolality, and Gill Morphology of Juvenile Yellow Perch, Rock Bass, Black Crappie, and Largemouth Bass Exposed to Acidified Soft Water. 1989
Suspended and dissolved solids effects on freshwater biota : a review / 1977
Swanson Reservoir, Hitchcock County, Nebraska. 1976
Taxonomy and ecology of Stenonema mayflies (Heptageniidae:Ephemeroptera) / 1974
The biology of polluted waters / 1971
The biology of polluted waters / 1960
The ecology of running waters 1970
The effect of inorganic sediment on stream biota / 1970
The Effect of nitrilotriacetic acid (NTA) on the structure and functioning of aquatic communities in streams / 1980
The life of rivers and streams / 1967
The trophic status and phosphorus loadings of Lake Champlain / 1977
Thermal Pollution: Status of the Art. 1969
Third annotated bibliography on biological effects of metals in aquatic environments (no. 1293-2246) / 1978
Toluene : ambient water quality criteria. 1979
Toxaphene : ambient water quality criteria. 1978
Toxicity and Bioaccumulation of Cadmium and Lead in Aquatic Invertebrates. 1978
Toxicity of Textile Mill Effluents to Freshwater and Estuarine Algae, Crustaceans and Fishes. 1980
Trophic structure modifications by planktivorous fish in aquatic microcosms / 1977
Use of Aquatic Plants in the Rehabilitation of Acid Polluted Streams. 1972
Use of Ecoregions in Biological Monitoring. 1992
Use of the mixed flask culture (MFC) microcosm protocol to estimate the survival and effects of microorganisms added to freshwater ecosystems / 1989
Validity of laboratory tests for predicting copper toxicity in streams / 1976
Verhandlungen der Internationalen Vereinigung fèur Theoretische und Angewandte Limnologie. 1922
Water Pollution Control Sewage Treatment Water Treatment. Selected Biological References. 1963
Water quality criteria research of the U.S. Environmental Protection Agency : proceedings of an EPA-sponsored Symposium on Marine, Estuarine and Fresh Water Quality, presented at the 26th annual meeting of the AIBS, August 1975 / 1976
Water Quality Criteria to Protect the Fish Population Directly Below Sewage Outfalls. 1971
Water Quality Criteria. Report of the National Technical Advisory Committee to the Secretary of the Interior. 1968
Workshop on the use of available data and methods for assessing the ecological risks of 2,3,7,8-tetrachlorodibenzo-p-dioxin to aquatic life and associated wildlife. 1994
World of fresh water : a resource for studying issues of freshwater research / 1997
Zinc: Ambient Water Quality Criteria. 1978
PREV 1 2 3 4 5 6 7 8

Save, Print or Email Selected Records