Search Results for the EPA National Library Catalog

Items Found: 1183

Showing: Items 451 - 500

Your Search: (SUBJECT=Aquatic biology.)


PREV 1 ... 5 6 7 8 9 10 11 12 13 14 15 ... 24 NEXT
Select Item Title Year Published
Ecological Continuum from the Changjiang (Yangtze River) Watersheds to the East China Sea Continental Margin [electronic resource] / 2015
Ecological Effects of Experimental Acidification on a Stream Ecosystem. 1984
Ecological Effects of Water-Level Fluctuations in Lakes [electronic resource] / 2008
Ecological investigation of the Baleshed Landing- Ben Lomond and Ajax Bar Dike Systems in the Lower Mississippi River Mile 481 to 494 AHP. 1988
Ecological Processes at Marine Fronts Oases in the ocean / [electronic resource] : 2015
Ecological Research at the Offshore Windfarm alpha ventus Challenges, Results and Perspectives / [electronic resource] : 2014
Ecology of Atlantic Salmon and Brown Trout Habitat as a template for life histories / [electronic resource] : 2011
Ecology of Baltic Coastal Waters [electronic resource] / 2008
Ecology of Floodplain Pools in the Kaskaskia River Basin of Illinois. 1973
Ecology of Riparian Forests in Japan Disturbance, Life History, and Regeneration / [electronic resource] : 2008
Ecology of the Second Trophic Level of Lakes Superior, Michigan, and Huron. 1970
Ecology of Threatened Semi-Arid Wetlands Long-Term Research in Las Tablas de Daimiel / [electronic resource] : 2010
Economic Benefits of Abating Water Pollution in the Steel, Textile, and Paper Industries in Alabama. 1973
Economic Impact of Proposed Amendments to Mercury Effluent Standards in Illinois (R76-17) (R76-21). 1977
Ecophysiology of High Salinity Tolerant Plants [electronic resource] / 2006
Ecoregional Biological Criteria. 1989
Ecoregions of the Conterminous United States. 1987
Ecoregions of the Upper Midwest States / 1988
Ecosystem Organization of a Complex Landscape Long-Term Research in the Bornhöved Lake District, Germany / [electronic resource] : 2008
Ecosystems analysis of the Big Cypress Swamp and estuaries / 1973
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (Non-VMS Data) (on Magnetic Tape). 1996
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (Non-VMS Data) (on Magnetic Tape). (Reannoucement with New Abstract). 1996
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (VMS Data and Programs) (on Magnegtic Tape). 1996
Ecotoxicology of Antifouling Biocides [electronic resource] / 2009
Eels and Humans [electronic resource] / 2014
Effect of Dredging Lilly Lake, Wisconsin. 1984
Effect of Elevated Water Temperature on Insect Emergence in Outdoor Experimental Channels. 1981
Effects of Acid and Aluminum on Swim Bladder Development and Yolk Absorption in the Fathead Minnow, 'Pimephales promelas', (Journal Version). 1988
Effects of Acidic Deposition on North American Lakes: Palaeolimnological Evidence from Diatoms and Chrysophytes. 1990
Effects of Agricultural Pesticides in the Aquatic Environment, Irrigated Croplands, San Joaquin Valley. 1972
Effects of Atrazine on Aquatic Ecosystems: A Physical and Mathematical Modeling Assessment. 1985
Effects of Atrazine on Community Level Responses in Taub Microcosms. 1985
Effects of Chemical Variations in Aquatic Environments. Volume I. Biota and Chemistry of Piceance Creek 1973
Effects of Chemical Variations in Aquatic Environments. Volume II. Toxic Effects of Aqueous Aluminum to Rainbow Trout 1973
Effects of Chemical Variations in Aquatic Environments. Volume III. Lead Toxicity to Rainbow Trout and Testing Application Factor Concept 1973
Effects of humic substances on metal speciation / 1989
Effects of industrial wastes on stream life 1961
Effects of large scale forest fires on water quality in interior Alaska, 1970
Effects of mineral acid deposition on concentrations of dissolved organic acids in surface waters / 1988
Effects of Mosquito Control Ditching on Estuarine Ecosystems. 1973
Effects of pesticides in water : a report to the States. 1972
Effects of River Fluctuations Resulting from Hydroelectric Peaking on Selected Aquatic Invertebrates. 1974
Effects of Synthetic Polyelectrolytes on Selected Aquatic Organisms. 1986
Effects of the phytosterol stigmastanol on early life-stages and life-cycles of fathead minnows (Pimephales promelas) and Ceriodaphnia dubia. 1999
Effects of Thermal Discharges upon the Chena River. 1973
Eighteenth International Seaweed Symposium Proceedings of the Eighteenth International Seaweed Symposium, held in Bergen, Norway, 20 - 25 June 2004 / [electronic resource] : 2007
Emergence and survival of lake trout (Salvelinus namaycush) and brook trout (S. fontinalis) from artificial substrates in an acid lake 1981
Emerging and Priority Pollutants in Rivers Bringing Science into River Management Plans / [electronic resource] : 2012
Enclosed Experimental Ecosystems and Scale Tools for Understanding and Managing Coastal Ecosystems / [electronic resource] : 2009
Encyclopedia of Coastal Science [electronic resource] / 2005
PREV 1 ... 5 6 7 8 9 10 11 12 13 14 15 ... 24 NEXT

Save, Print or Email Selected Records