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Search Results for the EPA National Library Catalog
Items Found: 966
Showing: Items 701 - 750
Your Search: (SUBJECT=Fresh water)
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Title
Year Published
701
New Species of Leech, 'Batracobdella cryptobranchii' n. sp. (Annelida: Hirudinea), Parasitic on the Ozark Hellbender.
1977
702
Niche Relationships and Population Ecology of Rainbow (Etheostoma caeruleum) and Fantail (E. flabellare) Darters in a Temporally Variable Environment.
1984
703
Nickel : ambient water quality criteria /
1978
704
Nile : biology of an ancient river
1976
705
Nitrobenzene : ambient water quality criteria.
1978
706
Nitrophenols : ambient water quality criteria.
1978
707
North Platte River Biological Survey Report October-November 1963.
1963
708
North Waubay Lake, Day County, South Dakota.
1976
709
Northern fishes : with special reference to the Upper Mississippi Valley /
1974
710
Numerical and graphical procedures for estimation of community photosynthesis and respiration in experimental streams {microform} /
1982
711
Nutrient dynamics and gas production in aquatic ecosystems : the effects and utilization of mercury and nitrogen in sediment-water microcosms
1975
712
Nutrient-Algal Relationships in Lake Lillinonah, Danbury, Connecticut, June-September, 1975.
1975
713
Occurrence of 'Esox niger' in Santa Rosa Sound, Florida.
1977
714
Optimum Temperature for Growth of Juvenile Bluegills.
1977
715
Osmoregulatory Failure and Death of First-Year Largemouth Bass 'Micropterus salmoides' Exposed to Low pH and Elevated Aluminum, at Low Temperatures in Soft Water.
1992
716
Overview of Atmospheric Inputs and Losses from Films.
1982
717
Overview of Selected Freshwater Aquatic Toxicology Research in the U.S. EPA (Environmental Protection Agency).
1985
718
Pathogenic Naegleria : distribution in nature /
1979
719
Performance of an Aquatic Multispecies System in Evaluating the Effects of a Model Microbial Pest Control Agent on Nontarget Organisms.
1992
720
Perspectives on temperature in the Pacific Northwest's fresh waters
1999
721
Pesticide Levels in Water and Wildlife of Reelfoot Lake, Tennessee.
1973
722
Pesticide testing with littoral enclosures /
1990
723
Pesticides and freshwater fauna,
1971
724
Phenol : ambient water quality criteria.
1978
725
Photochemical Fate of Agrochemicals in Natural Waters.
1991
726
Phthalate esters : ambient water quality criteria.
1978
727
Phytoplankton water quality relationships in U.S. lakes /
1979
728
Pigment Indices and Environmental Oxygen Stress.
1968
729
Pike Perch Breeding in the Ponds and Small Reservoirs of Moldavia (O Razvedenii Sudaka v Prudakh i Malykh Vodokhranilishchakh Moldavii).
1962
730
Plankton Associations and Related Factors in a Hipereutrophic Lake.
1971
731
Plant Available Phosphorus Status of Lakes.
1971
732
Pollution-Caused Fish Kills in 1960.
1960
733
Pollution-Caused Fish Kills in 1964.
1964
734
Polychlorinated biphenyls : ambient water quality criteria..
1978
735
Polynuclear aromatic hydrocarbons : ambient water quality criteria.
1979
736
Potential Climate-Induced Runoff Changes and Associated Uncertainty in Four Pacific Northwest Estuaries.
2012
737
Potential for Transduction of Plasmids in a Natural Freshwater Environment: Effect of Plasmid Donor Concentration and a Natural Microbial Community on Transduction in 'Pseudomonas aeruginosa'.
1987
738
Potential productivity of fresh water environments as determined by an algal bioassay technique
1970
739
Predicting and Evaluating the Effects of Acidic Precipitation on Water Chemistry and Endemic Fish Populations in the Northeastern United States.
1986
740
Predicting Single-Species Toxicity in Natural Water Systems.
1985
741
Prediction of Chemical Accumulation by Fish.
1982
742
Preliminary Ecological Study of Areas to be Impounded in the Salt River Basin of Kentucky.
1971
743
Preliminary Results from Three Ecotoxicity Studies Conducted on Triphenylbenzyl Phosphonium Cation/N-Methyl Perfluorooctanesulfonamide Salt (TPBP C8 Amide).
2003
744
Presence of Enteric Viruses in Freshwater and Their Removal by the Conventional Drinking Water Treatment Process.
1991
745
Probabilistic ecological risk assessment of tributyltin in the Chesapeake Bay watershed : final report /
1998
746
Probability-of-Use Criteria for the Family Salmonidae.
1978
747
Procedures for the derivation of equilibrium partitioning sediment benchmarks (ESBs) for the protection of benthic organisms : Endrin /
2003
748
Proceedings of the fifth symposium - Pacific Northwest on siltation - its sources and effects on the aquatic environment /
1959
749
Proceedings of the first and second USA-USSR symposia on the effects of pollutants upon aquatic ecosystems.
1978
750
Proceedings of the third USA-USSR Symposium on the effects of pollutants upon aquatic ecosystems : theoretical aspects of aquatic toxicology, July 2-6, 1979, Borok, Jaroslav Oblast, USSR /
1980
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