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Search Results for the EPA National Library Catalog
Items Found: 391
Showing: Items 251 - 300
Your Search: (SUBJECT=Water Biology)
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Title
Year Published
251
Genera Quadrigula through Zygnema collected from eastern and southeastern lakes /
1979
252
Great Lakes water quality initiative technical support document for the procedure to determine bioaccumulation factors.
1994
253
Greer's Ferry Reservoir, Van Buren and Cleburne Counties, Arkansas.
1977
254
Group Report: Interactions among Acidification, Phosphorus, Contaminants, and Biota in Freshwater Ecosystems (Chapter 13).
1994
255
Guidelines for Assessing the Biotic Communities of Freshwater Wetlands.
1988
256
Haloethers : ambient water quality criteria.
1978
257
Halomethanes: Ambient Water Quality Criteria.
1978
258
Hexachlorocyclohexane : ambient water quality criteria.
1979
259
Hydrobiological studies.
1966
260
Impacts of sediment and nutrients on biota in surface waters of the United States /
1979
261
Importance of Trophic Transfer in the Bioaccumulation of Chemical Contaminants in Aquatic Ecosystems.
1984
262
Industrial waste guide on thermal pollution.
1968
263
Influences of strip mining on the hydrologic environment of parts of Beaver Creek Basin Kentucky, 1955-59
1964
264
Interim report on data and methods for assessment of 2, 3, 7, 8- tetrachlorodibenzo-p-dioxin risks to aquatic life and associated wildlife.
1993
265
Interim Report, Upper Klamath Lake Studies, Oregon.
1967
266
Interrelation of Carbon and Phosphorus in Regulating Heterotrophic and Autotrophic Populations in Aquatic Ecosystems.
1970
267
Isophorone : ambient water quality criteria.
1978
268
Keys to Water Quality Indicative Organisms. (Southeastern United States).
1968
269
Lake Baikal and its life
1963
270
Lake LaMoure, LaMoure County, North Dakota.
1976
271
Lake MacBride, Johnson County, Iowa.
1976
272
Lake Madison, Lake County, South Dakota.
1977
273
Lake Michigan: man's effects on native fish stocks and other biota,
1973
274
Lake Mitchell, Davison County, South Dakota.
1977
275
Lake Ontario environmental summary, 1965 /
1973
276
Life of inland waters; an elementary textbook of fresh-water biology for students,
1937
277
Limnological methods /
1948
278
Limnological methods.
1948
279
Limnological surveillance of the nearshore zone of Lake Erie in central and eastern Ohio : preliminary report
1980
280
Macroinvertebrate inventories of the White River, Colorado and Utah : significance of annual, seasonal, and spatial variation in the design of biomonitoring networks for pollution detection /
1984
281
Man-made lakes : proceedings /
1966
282
Mercury : ambient water quality criteria.
1979
283
Method for Aquatic Multiple Species Toxicant Testing: Acute Toxicity of 10 Chemicals to 5 Vertebrates and 2 Invertebrates.
1985
284
Methods for measuring the acute toxicity of effluents and receiving waters to freshwater and marine organisms /
1993
285
Methods for measuring the acute toxicity of effluents to aquatic organisms /
1978
286
Methods for measuring the acute toxicity of effluents to aquatic organisms /
1978
287
Methods of hydrobiology (freshwater biology).
1970
288
Microbial ecology of a brackish water environment /
1977
289
Microbiological Content and Health Effect of Fishponds Enriched with Wastewater Effluent.
1987
290
Microscopic analysis of plankton, periphyton, and activated sludge : training manual /
1976
291
Millwood Reservoir, Hempstead, Howard, Little River, and Sevier Counties, Arkansas.
1977
292
Naphthalene : ambient water quality criteria /
1978
293
Natural Environment Surpasses Polluted Environment in Inducing DNA Damage in Fish.
1989
294
Nematode Community Structure. A Tool for Evaluating Water Resource Environments.
1972
295
Nickel : ambient water quality criteria /
1978
296
Nile : biology of an ancient river
1976
297
Nitrobenzene : ambient water quality criteria.
1978
298
Nitrophenols : ambient water quality criteria.
1978
299
North Platte River Biological Survey Report October-November 1963.
1963
300
North Waubay Lake, Day County, South Dakota.
1976
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