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Search Results for the EPA National Library Catalog
Items Found: 388
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 fresh waters
1978
154
Biology of water pollution : a collection of selected papers on stream pollution, waste water, and water treatment /
1967
155
Biota of Freshwater Ecosystems. Identification Manual No. 2. The Genus 'Argulus' (Crustacea: Branchiura) of the United States.
1972
156
Biota of Freshwater Ecosystems. Identification Manual No. 3. Freshwater Sphaeriacean Clams (Mollusca: Pelecypoda) of North America.
1972
157
Biota of Freshwater Ecosystems. Identification Manual No. 4. Freshwater Polychaetes (Annelida) of North America.
1972
158
Biota of Freshwater Ecosystems. Identification Manual No. 5. The Freshwater Amphipod Crustaceans (Gammaridae) of North America.
1972
159
Biota of Freshwater Ecosystems. Identification Manual No. 6. Aquatic Dryopoid Beetles (Coleoptera) of the United States.
1972
160
Biota of Freshwater Ecosystems. Identification Manual No. 7. Freshwater Isopods (Asellidae) of North America.
1972
161
Brush Lake, McLean County, North Dakota.
1976
162
Changes in Water Environment Resulting from Aquatic Plant Control.
1970
163
Chena River, The Study of a Subarctic Stream.
1970
164
Chlorinated benzenes : ambient water quality criteria /
1978
165
Chlorinated ethanes : ambient water quality criteria.
1979
166
Chlorinated phenols : ambient water quality criteria.
1978
167
Chloroalkyl ethers : ambient water quality criteria.
1979
168
Chromium : ambient water quality criteria.
1979
169
Comparative Kinetic Studies of Nitrate-Limited Growth and Nitrate Uptake in Phytoplankton in Continuous Culture.
1981
170
Comparative Study of Standing Crops and of Phosphorus and Nitrogen Contents of Four Macrophyte Stream Communities.
1971
171
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
172
Conjugal Transfer of R68.45 and FP5 between 'Pseudomonas aeruginosa' Strains in a Freshwater Environment.
1988
173
Copper : ambient water quality criteria.
1978
174
Correlation of Structure Versus Activity of Pollutants of Fresh Water.
1971
175
Crayfishes (Astacidae) of North and Middle America /
1972
176
Cretaceous Ponds, a Unique Area on Staten Island, New York.
1976
177
Cyanides : ambient water quality criteria.
1978
178
Dale Hollow Reservoir, Clinton and Cumberland Counties, Kentucky and Clay, Overton, and Pickett Counties, Tennessee.
1977
179
Deerfield Lake, Pennington County, South Dakota.
1977
180
Degradation of Riparian Leaves and the Recycling of Nutrients in a Stream Ecosystem.
1972
181
Descriptive water quality for the Atchafalaya Basin, Louisiana /
1980
182
Diatom Populations Changes in Lake George (NY).
1972
183
Dichlorobenzidine : ambient water quality criteria.
1978
184
Dichloropropanes/dichloropropenes : ambient water quality criteria /
1978
185
Dinitrotoluene : ambient water quality criteria.
1979
186
Diphenylhydrazine : ambient water quality criteria.
1978
187
Disinfection of wastewater : task force report.
1976
188
Distribution and Biotic Effects of Nutrients in Flathead Lake, Montana.
1975
189
Distribution of phytoplankton in Illinois lakes /
1978
190
Distribution of phytoplankton in Mississippi lakes /
1977
191
Distribution of phytoplankton in South Carolina lakes /
1977
192
Distribution of Selected Metals in Bottom Sediments.
1971
193
Distributional ecology and behavioral thermo-regulation of fishes in relation to heated effluent from a steam-electric power plant (Lake Monona Wisconsin) /
1972
194
Diverse: A Fortran IV Program to Calculate Diversity Indices of Stream Bottom Organisms.
1971
195
Dynamics of the Nitrogen Cycle in Lakes.
1970
196
Ecologic Impact of the Interactions Among Microorganisms and Aquatic Contaminents in Lake Erie, Phase I and Phase II.
1971
197
Ecological Monitoring of Stream Systems.
1973
198
Ecological Studies of the Surface Waters of the Whitewater Creek Watershed, Walworth, Rock and Jefferson Counties, Wisconsin.
1973
199
Ecological Study of the Missouri River Prior to Channelization.
1974
200
Ecology of inland waters and estuaries.
1961
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