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United States Environmental Protection Agency
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Search Results for the EPA National Library Catalog
Items Found: 346
Showing: Items 201 - 250
Your Search: (SUBJECT=Species diversity.)
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Intensive Survey of the Big Bureau Creek Watershed, 1990.
Intensive Survey of the Cache River Basin, Summer 1992.
Interim Protocol for Testing the Effects of Microbial Pathogens on Subterranean Termites ('Isoptera: rhinotermitidae').
Interspecies Cytogenetic Comparisons: Studies with X-Radiation and Bleomycin Sulfate.
Interspecies Modeling of Inhaled Particle Deposition Patterns.
Intertidal substrate rugosity and species diversity /
Is Climate Changing Where the Wild Things Are (Trade Name). Conference Held in Washington, DC. on October 7-8, 1998.
Isolation and Diversity of Actinomycetes in the Chesapeake Bay.
Issues of scale in conservation biology /
Landscape Connectivity: Different Functions at Different Scales.
Larval fish dynamics in a riverine wetland of the lower Mississippi Basin
Life After Competitive Exclusion: An Alternative Strategy for a Competitive Inferior.
Life History and Toxicological Comparisons of Temperate and Subtropical Mysids.
Long-term changes in the areal extent of tidal marshes, eelgrass meadows and kelp forests of Puget Sound
Long-term trends in Puget Sound marine fishes selected data sets /
Lotus 1-2-3-Based System for Recording and Maintaining Body Weight of Laboratory Animals.
Lower Respiratory Tract Structure of Laboratory Animals and Humans: Dosimetry Implications.
Macroinvertebrate sampling techniques for streams in semi-arid regions : comparison of the Surber method and a unit-effort traveling kick method /
Mapping the diversity of nature /
Marine and Estuarine Multi-Species Test Systems.
Measurement of behavioral thermoregulation /
Menhaden Species Team Background and Issue Briefs. Ecosystem Based Fisheries Management for Chesapeake Bay.
Methods for evaluating wetland condition : #4 study design for monitoring wetlands /
Methods for Evaluating Wetland Condition: Number 11. Using Algae to Assess Environmental Conditions in Wetlands.
Methods for the Detection of Changes in the Microbial Ecology of Soil Caused by the Introduction of Microorganisms.
Metric Similarity in Vegetation-Based Wetland Assessment Methods.
Micro-Ecosystems Simulation of Primary Production in Thermal and Acid Mine Water Loadings Related to Water Use of the Monongahela River.
Microbial Indicators of Soil Quality.
Microcosm for Measuring Survival and Conjugation of Genetically Engineered Bacteria in Rhizosphere Environments.
Micromorphology of Neogastropod Egg Capsules.
Mixed-Species Colonization of Solid Surfaces in Laboratory Biofilms.
Modification of an Index of Biotic Integrity Based on Fish Assemblages to Characterize Rivers of the Seine Basin, France.
Molecular Phylogenetic Explorations of Natural Microbial Community Composition and Diversity.
Monticello Experiment: A Case Study.
Morphometric Comparison of the Nasopharyngeal Airway of Laboratory Animals and Humans.
Mosquito Control Pesticides: Adverse Impacts to Freshwater Aquatic and Marine Organisms.
National study of chemical residues in fish.
Nationwide Urban Runoff Project, Champaign, Illinois: The Biological Impact of Urban Runoff on the Saline Branch Drainage Ditch and Boneyard Creek.
Natural Environment Surpasses Polluted Environment in Inducing DNA Damage in Fish.
Nature of Cumulative Impacts on Biotic Diversity of Wetland Vertebrates.
NERISK: An Expert System to Enhance the Integration of Pesticides with Anthropod Biological Control.
Nonindigenous species : an emerging issue for the EPA.
Observations on the State of Marine Disease Studies (Chapter 18).
Oil Spill, Long Island Sound, March 21, 1972, Environmental Effects.
Partial Recovery of a Vegetation in a Pollution Damaged Marsh.
Performance of an Aquatic Multispecies System in Evaluating the Effects of a Model Microbial Pest Control Agent on Nontarget Organisms.
Perspectives on the Chesapeake Bay: Recent Advances in Estuarine Sciences.
Pesticide Effects on Arthropod Natural Enemies: A Database Summary.
pH-Dependent Toxicity of Cd, Cu, Ni, Pb and Zn to 'Ceriodaphnia dubia', 'Pimephales promelas', 'Hyalella azteca' and 'Lumbriculus variegatus'.
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