||Level III and IV ecoregions of Pennsylvania and the Blue Ridge Mountains, the central Appalachian Ridge and valley, and the central Appalachians of Virginia, West Virginia, and Maryland /
Woods, Alan J. ;
Woods, A. J. ;
Omernik, J. M. ;
Brown, D. D. ;
Kiilsgaard, C. W.
||Corvallis Environmental Research Lab., OR. ;Dynamac International, Inc., Corvallis, OR. ;Rocky Mountain Forest and Range Experiment Station, Fort Collins, CO. ;Oregon Dept. of Fish and Wildlife, Corvallis.
|| U.S. Environmental Protection Agency, NHEERL : [Reproduced by National Technical Information Service],
Biotic communities--Appalachian Mountains. ;
Biotic communities--Blue Ridge Mountains. ;
Biotic communities--Pennsylvania. ;
Ecological regions--Appalachian Mountains. ;
Ecological regions--Blue Ridge Mountains. ;
Ecological regions--Maryland. ;
Ecological regions--Pennsylvania. ;
Ecological regions--Virginia. ;
Ecological regions--West Virginia. ;
United States--Blue Ridge Mountains.
West Virginia ;
Biological indicators ;
Environmental monitoring ;
Regional analysis ;
Blue Ridge Mountains ;
Piedmont Province ;
Great Lakes Regions ;
Appalachian plateau ;
Atlantic Coastal Plain ;
Appalachian Mountain Region ;
Valley and Ridge Province ;
||Some EPA libraries have a fiche copy filed under the call number shown.
||56 pages : map ; 28 cm
Environmental resources research, assessment, monitoring, and management require appropriate spatial structures. Ecoregion frameworks are well suited to these purposes. For the study, ecoregion maps were compiled by ecological regions identified by analyzing patterns and composition of biotic and abiotic phenomena that affect or reflect differences in ecosystem quality and integrity.
"May 23, 1996"--Cover "July 1996"--Report Date Includes bibliographical references (pages 38-46).