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Search Results for the EPA National Library Catalog
Items Found: 387
Showing: Items 151 - 200
Your Search: (SUBJECT=Fresh Water biology)
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Title
Year Published
151
Biological surveys and biological monitoring in fresh water
1974
152
Biology and Chemistry of Surface Freshwater Microlayers.
1972
153
Biology of water pollution : a collection of selected papers on stream pollution, waste water, and water treatment /
1967
154
Biota of Freshwater Ecosystems. Identification Manual No. 2. The Genus 'Argulus' (Crustacea: Branchiura) of the United States.
1972
155
Biota of Freshwater Ecosystems. Identification Manual No. 3. Freshwater Sphaeriacean Clams (Mollusca: Pelecypoda) of North America.
1972
156
Biota of Freshwater Ecosystems. Identification Manual No. 4. Freshwater Polychaetes (Annelida) of North America.
1972
157
Biota of Freshwater Ecosystems. Identification Manual No. 5. The Freshwater Amphipod Crustaceans (Gammaridae) of North America.
1972
158
Biota of Freshwater Ecosystems. Identification Manual No. 6. Aquatic Dryopoid Beetles (Coleoptera) of the United States.
1972
159
Biota of Freshwater Ecosystems. Identification Manual No. 7. Freshwater Isopods (Asellidae) of North America.
1972
160
Brush Lake, McLean County, North Dakota.
1976
161
Changes in Water Environment Resulting from Aquatic Plant Control.
1970
162
Chena River, The Study of a Subarctic Stream.
1970
163
Chlorinated benzenes : ambient water quality criteria /
1978
164
Chlorinated ethanes : ambient water quality criteria.
1979
165
Chlorinated phenols : ambient water quality criteria.
1978
166
Chloroalkyl ethers : ambient water quality criteria.
1979
167
Chromium : ambient water quality criteria.
1979
168
Comparative Kinetic Studies of Nitrate-Limited Growth and Nitrate Uptake in Phytoplankton in Continuous Culture.
1981
169
Comparative Study of Standing Crops and of Phosphorus and Nitrogen Contents of Four Macrophyte Stream Communities.
1971
170
Comparison of Energy Flow Parameters of Midge Populations in Biological Oxidation Ponds (Effect of Phenol on Oxygen Uptake Rate of a Laboratory Population of Chironomus Attenuatus Walk.) 1,2).
1971
171
Conjugal Transfer of R68.45 and FP5 between 'Pseudomonas aeruginosa' Strains in a Freshwater Environment.
1988
172
Copper : ambient water quality criteria.
1978
173
Correlation of Structure Versus Activity of Pollutants of Fresh Water.
1971
174
Crayfishes (Astacidae) of North and Middle America /
1972
175
Cretaceous Ponds, a Unique Area on Staten Island, New York.
1976
176
Cyanides : ambient water quality criteria.
1978
177
Dale Hollow Reservoir, Clinton and Cumberland Counties, Kentucky and Clay, Overton, and Pickett Counties, Tennessee.
1977
178
Deerfield Lake, Pennington County, South Dakota.
1977
179
Degradation of Riparian Leaves and the Recycling of Nutrients in a Stream Ecosystem.
1972
180
Descriptive water quality for the Atchafalaya Basin, Louisiana /
1980
181
Diatom Populations Changes in Lake George (NY).
1972
182
Dichlorobenzidine : ambient water quality criteria.
1978
183
Dichloropropanes/dichloropropenes : ambient water quality criteria /
1978
184
Dinitrotoluene : ambient water quality criteria.
1979
185
Diphenylhydrazine : ambient water quality criteria.
1978
186
Disinfection of wastewater : task force report.
1976
187
Distribution and Biotic Effects of Nutrients in Flathead Lake, Montana.
1975
188
Distribution of phytoplankton in Illinois lakes /
1978
189
Distribution of phytoplankton in Mississippi lakes /
1977
190
Distribution of phytoplankton in South Carolina lakes /
1977
191
Distribution of Selected Metals in Bottom Sediments.
1971
192
Distributional ecology and behavioral thermo-regulation of fishes in relation to heated effluent from a steam-electric power plant (Lake Monona Wisconsin) /
1972
193
Diverse: A Fortran IV Program to Calculate Diversity Indices of Stream Bottom Organisms.
1971
194
Dynamics of the Nitrogen Cycle in Lakes.
1970
195
Ecologic Impact of the Interactions Among Microorganisms and Aquatic Contaminents in Lake Erie, Phase I and Phase II.
1971
196
Ecological Monitoring of Stream Systems.
1973
197
Ecological Studies of the Surface Waters of the Whitewater Creek Watershed, Walworth, Rock and Jefferson Counties, Wisconsin.
1973
198
Ecological Study of the Missouri River Prior to Channelization.
1974
199
Ecology of inland waters and estuaries.
1961
200
Ecology of Patterned Boreal Peatlands of Northern Minnesota: A Community Profile.
1987
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