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Search Results for the EPA National Library Catalog
Items Found: 753
Showing: Items 201 - 250
Your Search: (SUBJECT=Biomass)
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Title
Year Published
201
Distribution and Activity of Microorganisms in Subsurface Sediments of a Pristine Study Site in Oklahoma (Journal Version).
1988
202
Distribution and Control of Macrophyte Biomass in Lake Wingra.
1971
203
Distribution of Relative Error of Toxicity of Herbicides and Metals to 'Arabidopsis'.
1992
204
Distribution of Selected Metals in Bottom Sediments.
1971
205
Distribution of Submersed Aquatic Vegetation in the Fresh and Oligohaline Tidal Potomac River, 2005.
2008
206
Distribution, Composition and Biomass of the Crustacean Zooplankton Population in Western Lake Superior.
1973
207
DNA Concentration as an Estimate of Sludge Biomass.
1971
208
Draft regulatory impact analysis : changes to renewable fuel standard program /
2009
209
Draft regulatory impact analysis : RFS annual rules /
2021
210
Draft regulatory impact analysis : RFS standards for 2023-2025 and other changes /
2022
211
Dry weight biomass data for four abundant grasshopper species of the Pawnee site /
1969
212
Early life-stage toxicity of copper to endangered and surrogate fish species /
2001
213
Ecological Changes in the Southern California Bight Near a Large Sewage Outfall: Benthic Conditions in 1980 and 1983.
1986
214
Ecological Characterization of Coastal Maine (North and East of Cape Elizabeth). Volume 2.
1980
215
Ecological effects on tropospheric ozone: a U.S. perspective - past, present and future {microfiche} / by William E. Hogsett and Christian P. Andersen.
1997
216
Ecological risk assessment for the Middle Snake River, Idaho.
2002
217
Ecological Studies and Mathematical Modeling of 'Cladophora' in Lake Huron: 3. The Dependence of Growth Rates on Internal Phosphorous Pool Size (Journal Version).
1982
218
Ecological Studies and Mathematical Modeling of 'Cladophora' in Lake Huron: 5. Model Development and Calibration.
1982
219
Ecological Studies and Mathematical Modeling of 'Cladophora' in Lake Huron: 7. Model Verification and System Response.
1982
220
Ecological Study of the Missouri River Prior to Channelization.
1974
221
Ecosystem Changes in Lakes Erie and Ontario.
1981
222
Ecosystem Effects of Oyster Restoration in Virgina Habitat and Lease Areas. A Report to the Maryland Department of Natural Resources.
2006
223
Effect of Added Water and Acidity of Simulated Rain on Growth of Field-Grown Radish.
1982
224
Effect of Environmental Factors on Phytoplankton Growth: Light and the Interactions of Light with Nitrate Limitation (Journal Version).
1981
225
Effect of Microbial Concentration on Biodegradation Rates of Phenols.
1989
226
Effect of P-Cresol on Leaf Decomposition and Invertebrate Colonization in Experimental Outdoor Streams.
1983
227
Effect of Secondary Effluents on Eutrophication in Las Vegas Bay, Lake Mead, Nevada.
1986
228
Effect of Silicate Grain Shape, Structure, and Location on the Biomass and Community Structure of Colonizing Marine Microbiota.
1981
229
Effect of Various Intake Designs on Zooplankton Entrainment.
1983
230
Effects of a Continuous Low-Level No. 2 Fuel Dispersion on Laboratory-Held Intertidal Colonies.
1977
231
Effects of Acidity of Simulated Rain and Its Joint Action with Ambient Ozone on Measures of Biomass and Yield in Soybean.
1983
232
Effects of Agriculture on Stream Fauna in Central Indiana.
1983
233
Effects of Canopy Modification and Accumulated Sediment on Stream Communities.
1981
234
Effects of Complex Effluents on Photosynthesis in Lake Erie and Lake Huron.
1988
235
Effects of Continuous Chlorination on Entrained Estuarine Plankton.
1980
236
Effects of Different Mixing Schedules on Phytoplankton, Zooplankton and Nutrients in Marine Microcosms.
1981
237
Effects of forest fertilization with urea on major biological components of small cascade streams, Oregon /
1979
238
Effects of Microbial Community Interactions on Transformation Rates of Xenobiotic Chemicals.
1984
239
Effects of Oil and Gas Well-Drilling Fluids on the Biomass and Community Structure of Microbiota that Colonize Sands in Running Seawater.
1982
240
Effects of Ozone and Soil Water Deficit on Roots and Shoots of Field-Grown Soybeans.
1988
241
Effects of ozone on nitrogen fixation in ladino clover /
1976
242
Effects of Ozone on the Regrowth and Energy Reserves of a Ladino Clover-Tall Fescue Pasture.
1988
243
Effects of phosphorus loading on phytoplankton distribution and certain aspects of cytology in Saginaw Bay, Lake Huron /
1983
244
Effects of Physical Gradients on the Production Dynamics of Sediment-Associated Algae.
1983
245
Effects of pollutants on submarine plant synecology /
1977
246
Effects of Pulp and Paper Mill Effluents on Growth and Production of Fish. Phases I and II.
1972
247
Effects of sediment holding time on sediment toxicity /
1990
248
Effects of Soil Moisture on Structural and Biomass Characteristics of Four Salt Marsh Plants.
1987
249
Effects of Stratospheric Ozone Depletion on Marine Organisms.
1989
250
Effects of Ultraviolet-B Irradiance in Soybean. 6. Influence of Phosphorus Nutrition on Growth and Flavoniid Content.
1985
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