Search Results for the EPA National Library Catalog

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Dynamics of small mammal populations at the Cottonwood and Osage sites, 1972 / 1974
Early life history and recruitment in fish populations 1997
Early life history of fish : the proceedings of an international symposium held at the Dunstaffnage Marine Research Laboratory of the Scottish Marine Biological Association at Oban, Scotland, from May 17-23, 1973 / 1974
Earthworms as Ecotoxicological Assessment Tools. 1984
Ecological assessment of macrophyton collection, use, and meaning of data : a symposium sponsored by ASTM Committee D-19 on Water, Fort Lauderdale, FL, 15-16 Jan., 1983 / 1984
Ecological effects on tropospheric ozone: a U.S. perspective - past, present and future {microfiche} / by William E. Hogsett and Christian P. Andersen. 1997
Ecological evaluation of a beach nourishment project at Hallandale (Broward County), Florida 1980
Ecological Knowledge and Environmental Problem-Solving: Concepts and Case Studies. 1985
Ecological methods / 2000
Ecological methods : with particular reference to the study of insect populations / 1978
Ecological Stability: An Ecosystem Perspective. Classical and Current Thoughts: Review of Selected Literature. 1976
Ecology / 2000
Economic Impact of Beaver Lake Reservoir: A Cost Benefit Study. 1972
Economic Modelling of Water Supply: An Econometric Analysis of the Multiproduct Firm. 1985
Economic Projections for Air Quality Control Regions. 1970
Economics of Proposed Regulation R73-5 on Leaf Burning and a Benefit-Cost Analysis of an Alternative Approach Based on Population Size. 1976
Ecosystem Models of the Patuxent River Estuary Relating Nutrient Loading to Production of Selected Fish Populations. Final Report, Year 1. 1994
Ecosystem Responses to Alternative Pesticides in the Terrestrial Environment: A System Approach. 1983
Ecosystem-based fisheries management : confronting tradeoffs / 2010
Effect of Aerially Applied Malathion on an Urban Population. 1967
Effect of Intraspecific Density on Life History Traits and Population Growth Rate of 'Neanthes arenaceodentata' (Polychaeta: Nereidae) in the Laboratory. 1987
Effect of Phenotypic Plasticity on Epiphytic Survival and Colonization by 'Pseudomonas syringae'. 1993
Effect of Population Density on the Results of the Study of Water Supplies in Five California Counties. 1983
Effect of Silicate Grain Shape, Structure, and Location on the Biomass and Community Structure of Colonizing Marine Microbiota. 1981
Effective Strategies for Population Studies of Acute Air Pollution Health Effects. 1989
Effects of a Contaminated Dredged Material on Laboratory Populations of the Tubicolous Amphipod 'Ampelisca abdita'. 1989
Effects of Chlorpyrios on Macroinvertebrates in Littoral Enclosures. 1987
Effects of flood management regimes on larval fish and fish food organisms at Lake Rathbun 1977
Effects of Flow Augmentation on Channel Morphology and Riparian Vegetation in the Upper Arkansas River Basin, Colorado. 1997
Effects of Ground ULV (Ultra-Low Volume) Applications of Fenthion on Estuarine Biota. 4. Lethal and Sublethal Responses of an Estuarine Mysid. 1985
Effects of Hydrologic Modifications on Aquatic Biota, Stream Hydrology and Water Quality: A Literature Review. 1984
Effects of low levels of ozone on plant populations James Peter Bennett. 1975
Effects of mine-waste pollution on anadromous and resident fish in upper Sacramento River, Shasta County, California. 1959
Effects of nutrient enrichment and a rough fish population (carp) on a game fish population (small mouth bass) : a thesis / 1971
Effects of Organotins on Growth and Survival of Two Marine Diatoms, 'Skeletonema costatum' and 'Thalassiosira pseudonana'. 1985
Effects of Pollution, Especially from Feedlots, on Fishes in the Upper Neosho River Basin. 1971
Effects of Segregation and Selection on Instability of Plasmid pACYC184 in 'Escherichia coli'B. 1987
Effects of special harvest regulations on largemouth bass and yellow perch in Spruce Lake / 1994
Effects of stream channelization on terrestrial wildlife and their habitats in the Buena Vista Marsh, Wisconsin 1976
Effects of the lampricide 3-trifluoromethyl-4-nitrophenol on the pink heelsplitter 1992
Effects of the Ludington Pumped Storage Power Project of fish passage through pump-turbines and on fish behavioral patterns. Part II, Movement patterns and orientation of fishes in the Ludington Pumped Storage Reservoir as revealed by tracking studies An evaluation of mortality incurred by fish passing through pump-turbines at the Ludington Pumped Storage Power Plant : 1976
Effects on Populations of Exposure to Low Levels of Ionizing Radiation. 1972
Elements of mathematical ecology / 2001
Elutriator/microcosm system : pilot model and test / 1977
Empirical evaluation of temperature effects on bull trout distribution in the Northwest : final report / 1999
Environmental Assessment for the Satellite Power System-Concept Development and Evaluation Program-Microwave Health and Ecological Effects. 1980
Environmental classification of Illinois lakes and relationships with fish communities 1993
Environmental effects of oil shale mining and processing : part I, fishes of Piceance Creek, Colorado, prior to oil shale processing. / 1978
Environmental effects of oil shale mining and processing. 1978
Environmental effects of western coal combustion. Part I, The fishes of Rosebud Creek, Montana / 1978
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