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Search Results for the EPA National Library Catalog
Items Found: 388
Showing: Items 201 - 250
Your Search: (SUBJECT=Fresh Water biology)
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Title
Year Published
201
Ecology of Patterned Boreal Peatlands of Northern Minnesota: A Community Profile.
1987
202
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (Non-VMS Data) (on Magnetic Tape).
1996
203
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (Non-VMS Data) (on Magnetic Tape). (Reannoucement with New Abstract).
1996
204
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (VMS Data and Programs) (on Magnegtic Tape).
1996
205
Effect of Water Quality and Environmental Factors on Freshwater Fish.
1970
206
Effects and fate of sewage chlorination products in phytoplankton /
1975
207
Effects of Acidic Deposition on Streams in the Appalachian Mountain and Piedmont Region of the Mid-Atlantic United States.
1993
208
Effects of Copper Sulfate on Certain Algae and Zooplankters in Winnisquam Lake, New Hampshire.
1970
209
Effects of Heated Discharges from Gulf Power on the Temperature Regime and Biota of the Lower Escambia River.
1973
210
Effects of Pollution, Especially from Feedlots, on Fishes in the Upper Neosho River Basin.
1971
211
Effects of Siltation and Coarser Sediments on Distribution and Abundance of Stream-Inhabiting Insects.
1971
212
Effects of Toxic Organics on Photosynthetic Reoxygenation.
1967
213
Effects of wastewater and cooling water chlorination on aquatic life /
1976
214
Endosulfan : ambient water quality criteria.
1978
215
Endrin : ambient water quality criteria.
1978
216
Energetics of Natural Populations of Freshwater Macroconsumers. Progress Report.
1971
217
Environmental requirements and pollution tolerance of common freshwater chironoidae /
1977
218
Environmental requirements and pollution tolerance of Plecoptera /
1978
219
Environmental requirements and pollution tolerance of trichoptera /
1978
220
Ethylbenzene : ambient water quality criteria.
1978
221
Eutrophication /
1970
222
Eutrophication : causes, consequences, correctives; proceedings of a symposium.
1969
223
Evaluation of Environmental Alterations by Thermal Loading and Acid Pollution in the Cooling Reservoir of a Steam-Electric Station.
1970
224
Experiences with single species tests for acute toxic effects on freshwater animals /
1988
225
Factors initiating phytoplankton blooms and resulting effects on dissolved oxygen in Duwamish River estuary, Seattle, Washington /
1969
226
Fate of Diquat in the Aquatic Environment.
1972
227
Fate of Nitrogen in Aquatic Ecosystems.
1972
228
Field book of ponds and streams : an introduction to the life of fresh water /
1930
229
Field Evaluation of Residue Prediction Procedures Used in EPA's Guidance: Assessment and Control of Bioconcentratable Contaminants in Surface Waters. The Five Mile Creek Study. 1993 Draft for Appendix 1.
1993
230
Fourth annotated bibliography on biological effects of metals in aquatic environments (no. 2247-3132) /
1979
231
Fresh-water biology.
1959
232
Freshwater biology
1977
233
Freshwater biology and pollution ecology : training manual /
1975
234
Freshwater findings, 1967-1976 : research publications of the Environmental Research Laboratory /
1977
235
Freshwater findings, 1976-1978 : research publications of the Environmental Research Laboratory, Duluth, Minnesota /
1980
236
Freshwater findings, 1979-1982 : research publications of the Environmental Research Laboratory, Duluth, Minnesota /
1983
237
Freshwater leeches (Annelida: Hirudinea) of North America /
1972
238
Freshwater life
1974
239
Freshwater micro-ecosystem development and testing of substitute chemicals /
1980
240
Freshwater microscopy.
1953
241
Freshwater planarians (Turbellaria) of North America.
1972
242
Freshwater snails (Mollusca: Gastropoda) of North America /
1982
243
Freshwater snails (Mollusca: Gastropoda) of North America /
1982
244
Freshwater unionacean clams (Mollusca: Pelecypoda) of North America,
1973
245
Fundamentals of limnology /
1953
246
Genera Acanthosphaera through Cystodinium collected from eastern and southeastern lakes /
1979
247
Genera Dactylococcopsis through Gyrosigma collected from eastern and southeastern lakes /
1979
248
Genera Hantzschia through Pteromonas collected from eastern and southeastern lakes /
1979
249
Genera of freshwater nematodes (Nematoda) of eastern North America /
1973
250
Genera Quadrigula through Zygnema collected from eastern and southeastern lakes /
1979
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