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United States Environmental Protection Agency
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Search Results for the EPA National Library Catalog
Items Found: 713
Showing: Items 451 - 500
Your Search: (SUBJECT=Aquatic ecosystems)
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Modeling and Managing Hydromodification Effects: Summary of Available Tools and Decision-Making Approach.
Modeling environmental fate and ecological effects in aquatic ecosystems : AQUATOX (Release 2) /
Modeling the Impacts of Hydromodification on Water Quantity and Quality.
Modeling the Partitioning and Bioaccumulation of TCDD and Other Hydrophobic Organic Chemicals in Lake Ontario.
Modification of an Index of Biotic Integrity Based on Fish Assemblages to Characterize Rivers of the Seine Basin, France.
Monitoring design for riparian forests in the Pacific Northwest : research plan /
Monitoring Environmental Changes in Lakes Using Algal Microfossils.
Monitoring in Support of the Pacific Northwest Forest Plan: A Report on Requirements and Key Questions.
Monitoring Program to Assess Environmental Changes in Tampa Bay, Florida.
Multi-Agency Critical Loads Workshop: Sulfur and Nitrogen Deposition Effects on Freshwater and Terrestrial Ecosystems, May 22-25, 2006. Final Report.
Multiple Equilibria in Modeling Open-Lake Algal Dynamics.
National Environmental Specimen Bank survey /
National estuary program guidance : base program analysis.
National estuary program guidance : technical characterization in the National Estuary Program.
National management measures to control nonpoint source pollution from forestry.
National sediment bioaccumulation conference : proceedings.
National Sediment Bioaccumulation Conference, September 11-13, 1996, Bethesda, Maryland : proceedings /
National sediment contaminant point source inventory : analysis of facility release data.
National strategy for the development of regional nutrient criteria
National Water Program Guidance, Fiscal Year 2012.
Natural wetlands for wastewater polishing : Houghton Lake, Michigan.
Near Infrared Aerial Photo-Detection of 'Zostera japonica' Communities in Pacific Northwest Estuarine Intertidal Habitats.
New NEP's Announcement Talking Points.
New Perspectives in Aquatic Redox Chemistry: Abiotic Transformations of Pollutants in Groundwater and Sediments.
Nitrogen : multiple and regional impacts /
Nonindigenous species : an emerging issue for the EPA.
North Carolina's Estuaries: A Pilot Study for Managing Multiple Use in the State's Public Trust Waters.
North Platte River Biological Survey Report October-November 1963.
Notes and Lectures from Sanitary Engineering Training Course in Stream Sanitation Practices.
Numerical Model for Three-Dimensional Hydrodynamic Transport: Documentation of the Computer Program.
Numerical Model for Three-Dimensional, Variable-Density Hydrodynamic Flows: Documentation of the Computer Program.
Nutrient Control in the Chesapeake Bay: A Statement Issued by the Scientific and Technical Advisory Committee (STAC), Chesapeake Bay Program.
Nutrient Criteria For Florida Lakes: A Comparison of Approaches.
Office of Wastewater Management 2011 Annual Report.
Office of Wetlands, Oceans and Watersheds (OWOW) 2007 Annual Report.
Office of Wetlands, Oceans and Watersheds : 2008 annual report.
Ohio Basin Region. Summary Statement. Position on Thermal Pollution within the Ohio River Basin.
Oligohaline Areas in Tampa Bay Tributaries: Spatial Extent and Species Lists.
Optimum Macrobenthic Sampling Protocol for Detecting Pollution Impacts in the Southern California Bight.
Overview of Case Studies on Recovery of Aquatic Systems from Disturbance.
Overview of USEPA/Clear Lake Erie Sediment Oxygen Demand Investigations during 1979.
Oyster Reef Restoration Project for the City of Dover. A Final Report to the New Hampshire Estuaries Project.
Pacific Northwest Nitrogen and Sulfur Deposition Critical Loads Workshop. Workshop Summary Report.
Penobscot River and Environmental Contaminants: Assessment of Tribal Exposure through Sustenance Lifeways.
Persistence of a Surrogate for a Genetically Engineered Cellulolytic Microorganism and Effects on Aquatic Community and Ecosystem Properties: Mesocosm and Stream Comparisons.
Personal Computers and Environmental Engineering. Part 1. Trends and Perspectives.
Perspectives on the Chesapeake Bay, 1990 : advances in estuarine sciences /
Pesticide Inputs and Risks in Coastal Wetlands.
Pesticides in natural systems : how can their effects be monitored? : Proceedings of the conference.
Physical and Chemical Factors That Influence the Anaerobic Degradation of Methyl Parathion in Sediment Systems.
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