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Search Results for the EPA National Library Catalog
Items Found: 1987
Showing: Items 451 - 500
Your Search: (SUBJECT=ECOSYSTEMS)
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Title
Year Published
451
Climate Change Impacts on Net Primary Production in China.
1993
452
Climate change indicators in the United States /
2010
453
Climate Change, Intercropping, Pest Control and Beneficial Microorganisms Climate change, intercropping, pest control and beneficial microorganisms / [electronic resource] :
2009
454
Climate Warming and the Carbon Cycle in the Permafrost Zone of the Former Soviet Union.
1993
455
Coastal 2000 Northeast Component: Field Operations Manual.
2000
456
Coastal Ecological Systems of the United States. /
1969
457
Code for Linear Modeling of an Ecosystem.
1971
458
Cold-Water Corals and Ecosystems [electronic resource] /
2005
459
Coming Together for Clean Water. EPA's Strategy to Protect America's Waters.
2011
460
Communities and ecosystems /
1970
461
Community structure, nutrient dynamics, and the degradation of diethyl phthalate in aquatic laboratory microcosms
1982
462
Community-based environmental protection : a resource book for protecting ecosystems and communities /
1997
463
Comparative Analysis of Ecological Risks from Pesticides and Their Uses: Background, Methodology and Case Study.
1998
464
Comparative Effects of Water-Column Nitrate Enrichment on Eelgrass, Shoal Grass, and Widgeon Grass.
1993
465
Comparative toxicity testing of selected benthic and epibenthic organisms for the development of sediment quality test protocols
1999
466
Comparison of Benthic Macroinvertebrate Sampling Methods for Non-Wadeable Riverine Ecosystems.
2003
467
Comparison of Created and Natural Freshwater Emergent Wetlands in Connecticut (USA).
1992
468
Comparison of Laboratory Toxicity Test Results with Responses of Estuarine Animals Exposed to Fenthion in the Field.
1987
469
Comparison of Mixed Flask Culture and Standardized Laboratory Model Ecosystems for Toxicity Testing.
1986
470
Comparison of Mixed Flask Culture and Standardized Laboratory Model Ecosystems for Toxicity Tests.
1985
471
Comparison of the Effects of Drilling Fluid on Macrobenthic Invertebrates Associated with the Seagrass, 'Thalassia testudinum', in the Laboratory and Field.
1992
472
Comparison of Two Methods to Assess the Carbon Budget of Forest Biomes in the Former Soviet Union.
1993
473
Comparison of Two Regression-Based Approaches for Determining Nutrient and Sediment Fluxes and Trends in the Chesapeake Bay Watershed.
2012
474
Comprehensive Analysis of the Sediments Retained Behind Hydroelectric Dams of the Lower Susquehanna River.
2006
475
Comprehensive Conservation and Management Plan: Albemarle-Pamlico Estuarine Study. Technical Document, November 1994.
1994
476
Concentration factors and transport models for radionuclides in aquatic environments : a literature report /
1976
477
Concept of Prognostic Model Assessment of Toxic Chemical Fate.
1985
478
Conceptual Ecological Model for Chesapeake Bay.
1978
479
Conceptual Ecosystem Model of the Corpus Christi Bay National Estuary Program Study Area.
1996
480
Conceptual Framework for Assessing Cumulative Impacts on the Hydrology of Nontidal Wetlands.
1988
481
Conceptual Model of the Galveston Bay Ecosystem.
1993
482
Conceptual models and methods to guide diagnostic reseach
2006
483
Conservation and Sequestration of Carbon: The Potential of Forest and Agroforest Management Practices.
1993
484
Considerations for Planning Terrestrial Field Studies.
1994
485
Contaminant Effects in Marine/Estuarine Systems: Field Studies and Scaled Simulations.
1994
486
Contaminated Marine Sediments: Water Column and Interstitial Toxic Effects.
1993
487
Contaminated sediment research multi-year implementation plan 2005
2005
488
Contamination of U.S. Arctic Ecosystems by Long-Range Transport of Atmospheric Contaminants.
1990
489
Continental Scale Biome Responses to Climatic Change.
1991
490
Continuous-Flow Method for Measuring Effects of Chemicals on Soil Nitrification.
1990
491
Contributed Papers on Coastal Ecological Characterization Studies, Presented at the Biennial International Estuarine Research Federation Conference (Fourth), Held at Mt. Pocono, Pennsylvania on 2-5 October 1977.
1978
492
Contribution of Dissolved Organic Nitrogen Deposition to Mid-Atlantic Coastal Waters. Precipitation Concentration, Isotopic Composition and Wet Flux.
1998
493
Contribution of Fungi to Biodegradation of 'Spartina' and Other Brackish Marshland Vegetation.
1972
494
Contributions of Shore Erosion and Resuspension to Nearshore Turbidity in the Choptank River, Maryland.
2014
495
Control of Mercury Emissions from Coal Fired Electric Utility Boilers: An Update.
2005
496
Control of mercury emissions from coal-fired electric utility boilers : interim report, including errata dated 3-21-02 /
2002
497
Conversation of Dissolved Manganese to Particulate Manganese During Diatom Bloom: Effects on the Manganese Cycle in the MERL Microcosms.
1982
498
Copper /
1977
499
Copper.
1977
500
Coral Bleaching Patterns, Processes, Causes and Consequences / [electronic resource] :
2009
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