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Items Found: 1183
Showing: Items 551 - 600
Your Search: (SUBJECT=Aquatic biology.)
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Eutrophication of Water Resources of New York State. Observations on Nutrient Limitation on Summer Phytoplankton in Cayuga Lake, 1967 and 1968.
Eutrophication: Causes, Consequences and Control Volume 2 / [electronic resource] :
Eutrophication: causes, consequences and control [electronic resource] /
Evaluation of an Aquatic Ecoregion Classification of Streams in Arkansas.
Evaluation of Benthic Macroinvertebrate Biomass Methodology. Part 1. Laboratory Analytical Methods.
Evaluation of Benthic Macroinvertebrate Biomass Methodology. Part 2. Field Assessment and Data Evaluation.
Evaluation of Sucrose as an Alternative to Sodium Chloride in the Microtox (Trade Name) Assay: Comparison to Fish and Cladoceran Tests with Freshwater Effluents.
Evaluation of the U.S. Geological Survey Laboratory, Atlanta, Georgia /
Evaluation of watershed quality in the Minnesota River basin /
Evaluation of watershed quality in the Saginaw River Basin /
Everglades Experiments Lessons for Ecosystem Restoration / [electronic resource] :
Executive Summary of Section 208 Program for Designated Areas. Federal Water Pollution Control Act Amendments of 1972.
Exocrine Pancreatic Adenomas in the Greater Redhorse, 'Moxostoma valeenciennesi' Jordan, and in the European Flounder, 'Platichthys flesus' (L).
Explanation for the Decline of Bacteria Introduced into Lake Water.
Extremely Low Frequency (ELF) Communications System Ecological Monitoring Program: Summary of 1983 Progress.
Extremophile Fishes Ecology, Evolution, and Physiology of Teleosts in Extreme Environments / [electronic resource] :
Factors affecting accuracy of ichthyoplankton samples used in power plant entrainment studies /
Fate and biological effects of mercury introduced into artificial streams /
Fate and Effect of Oil in the Aquatic Environment - Gulf Coast Region.
Fate and Effects of Atrazine in Small Aquatic Microcosms.
Fate and Effects of Pesticides in the Aquatic Environment of the Flathead Lake Drainage Area.
Fate and Toxicity of High Density Missile Fuels RJ-5 and JP-9 in Aquatic Test Systems.
Fate of 'Bacillus sphaericus' 2362 Spores in Nontarget Invertebrates.
Fate of Dyes in Aquatic Systems. 1. Solubility and Partitioning of Some Hydrophobic Dyes and Related Compounds.
Fates and biological effects of polycyclic aromatic hydrocarbons in aquatic systems /
Field and Laboratory Investigations to Evaluate the Influence of Nitrilotriacetic Acid (NTA) on Eutrophication.
Field Testing and Adaptation of a Methodology to Measure 'In-Stream' Values in the Tongue River, Northern Great Plains (NGP) Region - Executive Summary.
Field Testing and Adaptation of a Methodology to Measure 'In-Stream' Values in the Tongue River, Northern Great Plains (NGP) Region.
Field validation of multi-species laboratory test systems for estuarine benthic communities /
Field-Based Aquatic Life Benchmark for Conductivity in Central Appalachian Streams.
Final Environmental Baseline Report, Federal Prototype Oil Shale Leasing Program, Tracts U-a and U-b, Utah, White River Shale Project
Final Environmental Impact Statement for the Alta Ski Area Master Development Plan Update, Volume I and Volume II
Finger-fill canal studies, Florida and North Carolina.
Fish Acute Toxicity Syndromes and Their Use in the QSAR (Quantitative Structure Activity Relationship) Approach to Hazard Assessment.
Fish Acute Toxicity Syndromes: Application to the Development of Mechanism-Specific QSARS (Quantitative Structure Activity Relationships).
Fish and Diadromy in Europe (ecology, management, conservation) Proceedings of the symposium held 29 March - 1 April 2005, Bordeaux, France / [electronic resource] :
Fish and wildlife resources of San Francisco Bay and Delta : description, environmental requirements, problems, opportunities and the future.
Fisheries Management in Japan Its institutional features and case studies / [electronic resource] :
Fisheries Management of Mexican and Central American Estuaries [electronic resource] /
Fishes of selected aquatic habitats on the lower Mississippi River
Flushing and Scouring Flows for Habitat Maintenance in Regulated Streams.
Flushing and water quality characteristics of small-boat marinas
Forest Environments in the Mekong River Basin [electronic resource] /
Formal Discussion of Paper I-3, Impact on Salmon of Spraying Insecticide Over Forests by P. F. Elson and C. J. Kerswill, pub. in Proceedings of the International Conference (3rd), held in Munich, Germany, 5-9 September 1967, p70-72.
Four Independent Approaches to Developing Sediment Quality Criteria Yield Similar Values for Model Contaminants.
Fourth annotated bibliography on biological effects of metals in aquatic environments (no. 2247-3132) /
Freshwater Animal Diversity Assessment [electronic resource] /
Freshwater biology and pollution ecology : training manual /
Freshwater findings, 1967-1976 : research publications of the Environmental Research Laboratory /
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