Search Results for the EPA National Library Catalog

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Nature has no borders a collection of papers : presented at a conference on the protection and management of the northern Cascades ecosystem, held March 25-27, 1994, Seattle, Washington / 1994
Nature in focus : rapid ecological assessment / 2000
Nature of Cumulative Impacts on Biotic Diversity of Wetland Vertebrates. 1988
Nature's cornucopia : our stake in plant diversity / 1999
NERISK: An Expert System to Enhance the Integration of Pesticides with Anthropod Biological Control. 1989
Newmarket Open Space Conservation Plan. 2002
Nonindigenous species : an emerging issue for the EPA. 2001
OARM development survey results / 1998
Observations on the State of Marine Disease Studies (Chapter 18). 1993
Oceans, into next millennium of oceanographic research. 1998
Oil Spill, Long Island Sound, March 21, 1972, Environmental Effects. 1973
On the brink of extinction : conserving the diversity of life / 1987
One year after Rio : keeping the promises of the Earth Summit : a country-by-country progress report / 1993
OpeningLines : facing diversity. 2008
Oregon's living landscape : strategies and opportunities to conserve biodiversity / 1998
Our irreplaceable heritage : protecting biodiversity in Massachusetts / 1998
Overview and status of the NCASI Eastern Wildlife Program. 1995
Partial Recovery of a Vegetation in a Pollution Damaged Marsh. 1973
Performance of an Aquatic Multispecies System in Evaluating the Effects of a Model Microbial Pest Control Agent on Nontarget Organisms. 1992
Perspectives on the Chesapeake Bay : recent advances in estuarine sciences / 1987
Pesticide Effects on Arthropod Natural Enemies: A Database Summary. 1991
pH-Dependent Toxicity of Cd, Cu, Ni, Pb and Zn to 'Ceriodaphnia dubia', 'Pimephales promelas', 'Hyalella azteca' and 'Lumbriculus variegatus'. 1993
Physiologically-Based Pharmacokinetic Modeling. 1994
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
Phytoplankton composition and abundance in southern Lake Huron / 1980
Phytoplankton water quality relationships in U.S. lakes / 1979
Pilot analysis of global ecosystems. Grassland ecosystems / 2000
Pilot Study to Compare Created and Natural Wetlands in Western Washington and Evaluate Methods. 1992
Pilot test of wetland condition indicators in the prairie pothole region of the United States / 1997
Place matters : geospatial tools for marine science, conservation, and management in the Pacific Northwest / 2005
Planning for biodiversity : issues and examples / 1998
Potential Effects of Global Climate Change on the United States. Volume 2. National Studies. Draft. 1988
Practical approaches to the conservation of biological diversity 1999
Precious heritage : the status of biodiversity in the United States / 2000
Predicting Chemical Accumulation in Shoots of Aquatic Plants. 1991
Predictions of stream wood recruitment from riparian forests : effects of data resolution / 2000
Preservation and valuation of biological resources 1990
Preservation of species the value of biological diversity / 1986
Preserving genetic diversity of crop plants : solution pack / 1999
Priorities for Coastal Ecosystem Science. 1994
Priorities for ecological protection : an initial list and discussion document for EPA. 1997
Probable causes of trends in selected living resources in the Galveston Bay system 1993
Proceedings of the Seventh Meeting of the Chemical Response to Oil Spills: Ecological Effects Research Forum Santa Cruz, CA November 13-14, 1997. 2012
Proceedings of the U.S. Strategy Conference on Biological Diversity, November 16-18, 1981 1982
Program review proceedings of environmental effects of enegy related activities on marine/esturine ecosystems / 1977
Proposed Martinez Creek Timber Sale Draft Environmental Impact Statement 1992
Proposed Revised Land and Resource Management Plan, Arapaho and Roosevelt National Forests, Pawnee National Grassland 1990
Proposed Revised Land and Resource Management Plan, Rio Grande National Forest 1995
Proposed Sludge Management Plan, Metropolitan District Commission, Boston, Massachusetts. Volume 2. Appendices. Draft Environmental Impact Statement. 1995
Protecting Delaware's natural heritage : tools for biodiversity conservation. 1999
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