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Items Found: 1183
Showing: Items 451 - 500
Your Search: (SUBJECT=Aquatic biology.)
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Ecological Continuum from the Changjiang (Yangtze River) Watersheds to the East China Sea Continental Margin [electronic resource] /
Ecological Effects of Experimental Acidification on a Stream Ecosystem.
Ecological Effects of Water-Level Fluctuations in Lakes [electronic resource] /
Ecological investigation of the Baleshed Landing- Ben Lomond and Ajax Bar Dike Systems in the Lower Mississippi River Mile 481 to 494 AHP.
Ecological Processes at Marine Fronts Oases in the ocean / [electronic resource] :
Ecological Research at the Offshore Windfarm alpha ventus Challenges, Results and Perspectives / [electronic resource] :
Ecology of Atlantic Salmon and Brown Trout Habitat as a template for life histories / [electronic resource] :
Ecology of Baltic Coastal Waters [electronic resource] /
Ecology of Floodplain Pools in the Kaskaskia River Basin of Illinois.
Ecology of Riparian Forests in Japan Disturbance, Life History, and Regeneration / [electronic resource] :
Ecology of the Second Trophic Level of Lakes Superior, Michigan, and Huron.
Ecology of Threatened Semi-Arid Wetlands Long-Term Research in Las Tablas de Daimiel / [electronic resource] :
Economic Benefits of Abating Water Pollution in the Steel, Textile, and Paper Industries in Alabama.
Economic Impact of Proposed Amendments to Mercury Effluent Standards in Illinois (R76-17) (R76-21).
Ecophysiology of High Salinity Tolerant Plants [electronic resource] /
Ecoregional Biological Criteria.
Ecoregions of the Conterminous United States.
Ecoregions of the Upper Midwest States /
Ecosystem Organization of a Complex Landscape Long-Term Research in the Bornhöved Lake District, Germany / [electronic resource] :
Ecosystems analysis of the Big Cypress Swamp and estuaries /
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (Non-VMS Data) (on Magnetic Tape).
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (Non-VMS Data) (on Magnetic Tape). (Reannoucement with New Abstract).
Ecotox Database (AQUIRE, PHYTOTOX, and TERRETOX) (VMS Data and Programs) (on Magnegtic Tape).
Ecotoxicology of Antifouling Biocides [electronic resource] /
Eels and Humans [electronic resource] /
Effect of Dredging Lilly Lake, Wisconsin.
Effect of Elevated Water Temperature on Insect Emergence in Outdoor Experimental Channels.
Effects of Acid and Aluminum on Swim Bladder Development and Yolk Absorption in the Fathead Minnow, 'Pimephales promelas', (Journal Version).
Effects of Acidic Deposition on North American Lakes: Palaeolimnological Evidence from Diatoms and Chrysophytes.
Effects of Agricultural Pesticides in the Aquatic Environment, Irrigated Croplands, San Joaquin Valley.
Effects of Atrazine on Aquatic Ecosystems: A Physical and Mathematical Modeling Assessment.
Effects of Atrazine on Community Level Responses in Taub Microcosms.
Effects of Chemical Variations in Aquatic Environments. Volume I. Biota and Chemistry of Piceance Creek
Effects of Chemical Variations in Aquatic Environments. Volume II. Toxic Effects of Aqueous Aluminum to Rainbow Trout
Effects of Chemical Variations in Aquatic Environments. Volume III. Lead Toxicity to Rainbow Trout and Testing Application Factor Concept
Effects of humic substances on metal speciation /
Effects of industrial wastes on stream life
Effects of large scale forest fires on water quality in interior Alaska,
Effects of mineral acid deposition on concentrations of dissolved organic acids in surface waters /
Effects of Mosquito Control Ditching on Estuarine Ecosystems.
Effects of pesticides in water : a report to the States.
Effects of River Fluctuations Resulting from Hydroelectric Peaking on Selected Aquatic Invertebrates.
Effects of Synthetic Polyelectrolytes on Selected Aquatic Organisms.
Effects of the phytosterol stigmastanol on early life-stages and life-cycles of fathead minnows (Pimephales promelas) and Ceriodaphnia dubia.
Effects of Thermal Discharges upon the Chena River.
Eighteenth International Seaweed Symposium Proceedings of the Eighteenth International Seaweed Symposium, held in Bergen, Norway, 20 - 25 June 2004 / [electronic resource] :
Emergence and survival of lake trout (Salvelinus namaycush) and brook trout (S. fontinalis) from artificial substrates in an acid lake
Emerging and Priority Pollutants in Rivers Bringing Science into River Management Plans / [electronic resource] :
Enclosed Experimental Ecosystems and Scale Tools for Understanding and Managing Coastal Ecosystems / [electronic resource] :
Encyclopedia of Coastal Science [electronic resource] /
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