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Search Results for the EPA National Library Catalog
Items Found: 1988
Showing: Items 1501 - 1550
Your Search: (SUBJECT=ecosystems)
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Title
Year Published
1501
Regional Environmental Changes in Siberia and Their Global Consequences [electronic resource] /
2013
1502
Regional Framework for Establishing Recovery Criteria.
1990
1503
Regional Guidebook for Applying The Approach to Assessing Wetland Functions of Depressed Wetlands in Peninsular, Florida {electronic resource}.
2004
1504
Regional Inventory for Critical Natural Areas, Wetland Ecosystems, and Endangered Species Habitats of the Albemarle-Pamlico Estuarine Region. Phase 3 Report.
1993
1505
Regional Inventory for Critical Natural Areas, Wetland Ecosystems, and Endangered Species Habitats of the Albemarle-Pamlico Estuarine Region: Phase 1.
1990
1506
Regional Patterns in Three Biological Indicators of Stream Condition in Ohio.
1991
1507
Regional Reconnaissance of the South Platte River Basin. Volume I.
0
1508
Regionalization of the Western Corn Belt Plains Ecoregion.
1994
1509
Regulatory Context for Cumulative Impact Research.
1988
1510
Regulatory impact analysis of the final Clean Air Mercury Rule.
2005
1511
Regulatory impact analysis of the final Great Lakes water quality guidance.
1995
1512
Regulatory Impact Analysis of the Proposed Great Lakes Water Quality Guidance.
1993
1513
Reinventing environmental protection : 1998 annual report /
1999
1514
Relationship of Methoxychlor to Periphyton Production under Laboratory and Semi-Natural Conditions.
1973
1515
Relationships among Observed Metal Concentrations, Criteria, and Benthic Community Structural Responses in 15 Streams.
1984
1516
Relative atmospheric loadings of toxic contaminants and nitrogen to the Great Waters /
1993
1517
Relict Species Phylogeography and Conservation Biology / [electronic resource] :
2010
1518
Remember the past, protect the future : 30 years of environmental progress : 1970-2000 /
2000
1519
Remember the past, protect the future : 30 years of environmental progress : 1970-2000 /
2000
1520
Remember the past, protect the future : 30 years of environmental progress, 1970-2000 : Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, West Virginia /
2000
1521
Remember the past, protect the future.
2000
1522
Remember the past, protect the future.
2000
1523
Removing impediments to migratory fishes in the Chesapeake Bay watershed : annual progress report 1995 /
1996
1524
Report from the Workshop on Indicators of Final Ecosystem Services for Streams (Meeting Date: July 13 to 16, 2009).
2009
1525
Report of Committee on Persistent Pesticides, Division of Biology and Agriculture, National Research Council to U. S. Department of Agriculture.
1969
1526
Report of the Ecological Risk Assessment Review Subcommittee: Review of the Office of Research and Development's Ecological Risk Assessment Program.
1987
1527
Report of the Forest Effects Review Panel: Review of the Agency's Forest Effects Research Program.
1985
1528
Report of the Good Neighbor Environmental Board (4th) to the President and Congress of the United States, September 2000.
2000
1529
Report of the radiological clean-up of Bikini Atoll /
1972
1530
Report of the Workshop on Biological Screening Tests, Las Vegas, Nevada, September 12-14, 1977 /
1979
1531
Report on Hydrographic Studies of the Mississippi, Minnesota, and St. Croix Rivers.
1965
1532
Report on Pollution of Interstate Waters of the Blackstone and Ten Mile Rivers, Massachusetts-Rhode Island.
1964
1533
Report on Pollution of the Interstate Waters of the Menominee and Brule Rivers, Michigan-Wisconsin.
1963
1534
Report on the Ecological Risk Assessment Guidelines Strategic Planning Workshop.
1992
1535
Report on the Illinois River System. Water Quality Goals.
1963
1536
Report on the peer consultation workshop on selenium aquatic toxicity and bioaccumulation /
1998
1537
Report to Congress on implementation section 403(c) of the Federal Water Pollution Control Act /
1990
1538
Representative benthic bioindicator organisms for use in radiation effects research: Culture of Neanthes arenaceodentata (Polychaeta).
1992
1539
Reregistration Eligibility Decision for Acephate.
2001
1540
Rescue of Sturgeon Species in the Ural River Basin [electronic resource] /
2008
1541
Research and development : health and environmental effects document for bromochloromethane /
1990
1542
Research and Quality Assurance Methods Used in the EMAP Prairie Wetlands Pilot Study.
1994
1543
Research on fish and wildlife habitat /
1982
1544
Research plan & methods manual for the Oregon wetlands study /
1993
1545
Research plan for monitoring wetland ecosystems
1991
1546
Research plan for monitoring wetland ecosystems /
1991
1547
Research Plan for Pilot Studies of the Biodiversity Research Consortium.
1993
1548
Research Plan: Interactive Effects of O3 and CO2 on the Ponderosa Pine Plant/Litter/Soil System.
1997
1549
Research strategy : Environmental Monitoring and Assessment Program.
2002
1550
Research Strategy for the Environmental Monitoring and Assessment Program. Wetlands 1993 Gulf of Mexico Estuarine Emergent Salt Marsh Pilot Study. Phase 2.
1993
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