Search Results for the EPA National Library Catalog

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Your Search: (SUBJECT=Biotic communities United States)

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Select Item	Title	Year Published
1	A Phase I inventory of current EPA efforts to protect ecosystems /	1995
2	A screening procedure to evaluate air pollution effects on Class I wilderness areas /	1989
3	An ecological characterization of the Salt River Bay National Historical Park and Ecological Preserve, U.S. Virgin Islands /	2005
4	An inventory of EPA headquarters ecosystem tools /	1995
5	Biological survey for the nation	1993
6	Ecoregions of the conterminous United States /	1986
7	Ecoregions of the United States /	1976
8	Ecosystem analysis at the watershed scale : (the revised federal guide for watershed analysis).	1995
9	Impacts of sediment and nutrients on biota in surface waters of the United States /	1979
10	Landscape restoration handbook /	1993
11	National hierarchical framework of ecological units /	1993
12	Our living resources : a report to the nation on the distribution, abundance, and health of U.S. plants, animals, and ecosystems /	1995
13	Recovery of lotic communities and ecosystems following disturbance : theory and application /	1990
14	Stressor identification guidance document.	2000
15	Suspended and dissolved solids effects on freshwater biota : a review /	1977
16	The field guide to wildlife habitats of the eastern United States /	1989
17	The Ohio stream regionalization project : a compendium of results /	1988
18	The Ohio stream regionalization project : a compendium of results /	1987

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