Search Results for the EPA National Library Catalog

Items Found: 900
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Your Search: (SUBJECT=Freshwater)

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Select Item Title Year Published
A biological investigation of forty lakes of the upper Deschutes River watershed in Oregon : a report / 1941
A biological survey and fishery management plan for the streams of the Lake Superior north shore watershed, 1944
A checklist of Ontario freshwater fishes : annotated with distribution maps / 1992
A field guide to freshwater fishes : North America north of Mexico / 1991
A field guide to Kentucky lakes and wetlands. 1986
A guide to common freshwater invertebrates of North America / 2002
A guide to freshwater ecology / 1993
A guide to freshwater invertebrate animals / 1959
A Guide to integrated fish health management in the Great Lakes Basin / 1983
A guide to the freshwater Tubificidae (Annelida : Clitellata : Oligochaeta) of North America / 1982
A guide to the Naididae (Annelida, Clitellata, Oligochaeta) of North America / 1980
A guide to the study of fresh-water biology : with special reference to aquatic insects and other invertebrate animals and phyto-plancton / 1955
A limnological investigation of the relationship between the Navasota River, Texas, and a selected floodplain. 1974
A Manual on methods for the assessment of secondary productivity in fresh waters / 1971
A monograph of the fresh-water species of Cladophora and Rhizoclonium. 1961
A National compendium of freshwater fish and water temperature data. 1979
A new bibliography of samplers for freshwater benthic invertebrates / 1993
A new multiple sieve design for screening bottom samples, 1969
A practitioner's guide to freshwater biodiversity conservation / 2005
A review and synthesis of effects of alterations to the water temperature regime on freshwater life stages of salmonids, with special reference to chinook salmon / 1999
A Review of interpretation methods for freshwater benthic invertebrate survey data used by selected state and federal agencies / 1991
A status report on planktonic cyanobacteria (blue-green algae) and their toxins / 1992
A study of nutrient accrual, uptake, and regeneration as related to primary production in a warm-water stream / 1958
A study of the nutrients, productivity and plankton in western Lake Superior / 1963
A Study of the phytoplankton in the Delaware River Basin streams in New York State / 1973
A study of the pollution and natural purification of the Illinois river ... 1927
Abundance, composition, and distribution of crustacean zooplankton in relation to hypolimnetic oxygen depletion in west-central Lake Erie / 1977
Accumulation and retention of chromium-51 by freshwater zooplankton 1974
Achieving sustainable freshwater systems : a web of connections / 2003
Acid stress and aquatic microbial interactions / 1989
Acute (96-Hour) Toxicity of Sodium Metabisulfide to Bluegill with Cover Letter Dated 04/13/1994. 1994
Acute and chronic toxicity of HCN to fish and invertebrates / 1979
Acute and chronic toxicity of rotenone to Daphnia magna / 1988
Acute Aquatic Toxicity Study with Selenastrum capricomutum. 2005
Acute Toxicity of (Confidential), Containing 24.975% 2-Propanol, to the Rainbow Trout (Oncorhynchus Mykiss), with Cover Letter dated 11/13/1998. (Sanitized). 1998
Acute Toxicity of 1,3-dichloropropane to Rainbow Trout and Daphnia Magna with Cover Letter dated 042586. 1986
Acute Toxicity of 4-Octylphenol to Nymphs of the Freshwater Shrimp Gammarus pulex. 2005
Acute Toxicity of Nitro Products and Effluents to Fathead Minnows (Pimephales Promelas) and Daphnids (Ceriodaphnia Dubia and Daphnia Magna) with Cover Letter Dated 04/13/1994. 1994
Acute Toxicity of Parachlorobenzotrifluoride to Rainbow Trout (salmo Gairdneri). 2000
Acute Toxicity of Praepagen HY to the Freshwater Alga, Selenastrum capricornutum. 2001
Acute Toxicity Study in Freshwater Vascular Plant Lemna gibba with Methyl 2-(((((4,6-dimethoxy- 2-pyrimidinyl) amino)carbonyl)amino) sulfonyl-1)-6- (trifluoromethyl) -3-pyridinecarboxylate monosodium salt. 2012
Acute Toxicity Tests of DC 345 Fluid with Cover Letter Dated 04/20/1994 (In French). 1994
Air pollution and freshwater ecosystems : sampling, analysis, and quality assurance / 2015
Algae-temperature-nutrient relationships and distribution in Lake Erie / 1970
Algae-temperature-nutrient relationships and distribution in Lake Erie / 1972
Algal acute toxicity test 1982
Algal acute toxicity test / 1982
Algal conditions and the potential for future algal problems in the Willamette River, Oregon 1977
Algal ecology : freshwater benthic ecosystems / 1996
Algal-temperature-nutrient relationships and distribution in Lake Erie / 1971
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