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Search Results for the EPA National Library Catalog
Items Found: 1988
Showing: Items 1351 - 1400
Your Search: (SUBJECT=ecosystems)
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Title
Year Published
1351
Persistence of chlorinated hydrocarbon contamination in a California marine ecosystem /
1989
1352
Persistence of DDT Residues and Dieldrin Off a Pesticide Processing Plant in San Francisco Bay, California.
1999
1353
Personal Computers and Environmental Engineering. Part 1. Trends and Perspectives.
1987
1354
Perspective on the Role of Microcosms in Environmental Fate and Effects Assessments.
1982
1355
Perspectives on the Chesapeake Bay, 1990 : advances in estuarine sciences /
1990
1356
Pesticidal Aspects of Chlordane in Relation to Man and the Environment.
1976
1357
Pesticide Inputs and Risks in Coastal Wetlands.
1993
1358
Pesticide Usage and Its Impact on the Aquatic Environment in the Southeast. Pesticide Study Series - 8.
1972
1359
Pesticides in natural systems : how can their effects be monitored? : Proceedings of the conference.
1991
1360
Petroleum Hydrocarbons and Their Effects on Marine Organisms, Populations, Communities, and Ecosystems.
1979
1361
Phaeocystis, major link in the biogeochemical cycling of climate-relevant elements [electronic resource] /
2007
1362
Phenology of Ecosystem Processes Applications in Global Change Research / [electronic resource] :
2009
1363
Phosphorus-Chlorophyll 'a' Relationship in Periphytic Communities in a Controlled Ecosystem.
1982
1364
Photochemical Air Pollutant Effects on Mixed Conifer Ecosystems.
1977
1365
Photochemical oxidant air pollutant effects on a mixed conifer forest ecosystem : a progress report /
1977
1366
Physical and Chemical Factors That Influence the Anaerobic Degradation of Methyl Parathion in Sediment Systems.
1986
1367
Physical and Chemical Stratification in Two High Altitude Reservoirs of the Colorado River Basin.
1963
1368
Physical and Mathematical Modeling of Nitrification in a Lotic System.
1978
1369
Physical Impacts to Habitats in Tampa Bay.
1994
1370
Physiological Limitations on Phytoplankton Productivity in the Ocean.
1992
1371
Phytoplankton and zooplankton composition, abundance and distribution and trophic interactions : offshore region of Lakes [i.e. Lake] Erie, Lake Huron and Lake Michigan : 1985 /
1989
1372
PHYTOTOX: Database Dealing with the Effect of Organic Chemicals on Terrestrial Vascular Plants.
1984
1373
Pilot Studies Comparing Above and Below-Ground Effects of Radionuclide Accumulation in Selected Species.
1995
1374
Pilot study to evaluate biological, physical, chemical, and land-use characteristics in Maryland coastal plain streams
1993
1375
Pilot Study to Evaluate Biological, Physical, Chemical, and Land-Use Characteristics in Maryland Coastal Plain Streams. Year 2.
1995
1376
Pintail Lake and Redhead Marsh : created wetlands in Northern Arizona.
1993
1377
PIRLA Project (Paleoecological Investigation of Recent Lake Acidification): An Introduction to the Synthesis of the Project.
1990
1378
Piscataqua Region 2010 Comprehensive Conservation and Management Plan.
2010
1379
Piscataqua Region Estuaries Partnership Comprehensive Conservation and Management Plan Update: Stakeholder Input and Meeting Summary Report.
2009
1380
Plant Ecology, Herbivory, and Human Impact in Nordic Mountain Birch Forests [electronic resource] /
2005
1381
Plant Physiological Ecology [electronic resource] /
2008
1382
Plant Responses to Air Pollution and Global Change [electronic resource] /
2005
1383
Plant Uptake of Sludge-Borne PCBs.
1990
1384
Plants and pollutants in developed and developing countries
1989
1385
POEM: Pesticide Orchard Ecosystem Model.
1983
1386
Policy assessment for the review of the lead national ambient air quality standards.
2014
1387
Pollutant Dynamics as Influenced by Seagrass Beds: Experiments with Tributyltin in 'Thalassia' Microcosms.
1990
1388
Pollutants of concern in Puget Sound
1991
1389
Pollution control technical manual for Lurgi-based indirect coal liquefaction and SNG /
1983
1390
Pollution Impacts at the Stand and Ecosystem Levels.
1992
1391
Pollution of Slocum Creek, Havelock, North Carolina. A Cooperative Investigation by the State of North Carolina, Department of the Navy, and the Federal Water Pollution Control Administration.
1969
1392
Pollution of Slocum Creek, Havelock, North Carolina. Appendices. A Cooperative Investigation by the State of North Carolina, Department of the Navy, and the Federal Water Pollution Control Administration.
1969
1393
Pollution prevention : meeting the environmental challenges of the 1990s : Region 5 FY91 accomplishments.
1991
1394
Population Models for Stream Fish Response to Habitat and Hydrologic Alteration: The CVI Watershed Tool.
2004
1395
Potential Effects of Global Climate Change on the United States. Executive Summary. Draft.
1988
1396
Potential Frameworks for Reporting on Ecological Condition and Ecosystem Services for the 2011 National Wetland Condition Assessment.
2011
1397
Potential Impact of Stratospheric Ozone Depletion on Marine Ecosystems.
1988
1398
Potential Impact of Stratospheric Ozone Depletion on Marine Ecosystems.
1989
1399
Potential intertidal habitat restoration sites in the Duwamish River Estuary
1991
1400
Predicting 2,4-Dichlorophenoxyacetic Acid Ester Transformation Rates in Periphyton-Dominated Ecosystems.
1983
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