References


Bailey, R.G. 1995. Description of the ecoregions of the United States. 2nd ed., rev. and expanded. Misc. Publ. 1391. Washington, DC: U.S. Department of Agriculture. 108 p. + map.

 

Chappelka, A.H.; Samuelson, L.J. 1998. Ambient ozone effects on forest trees of the eastern United States: a review. New Phytologist. 139:91-108.

Conkling, B.L.; Coulston, J.W.; Ambrose, M.J. (eds.). 2005 Forest Health Monitoring 2001 national technical report. Gen Tech. Rep. SRS-81. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 204 p.

Coulston, J.W.; Ambrose, M.J.; Riitters, K.H.; Conkling, B.L. 2005a. Forest Health Monitoring 2002 national technical report. Gen Tech. Rep. SRS-84. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 97 p.

Coulston, J.W.; Ambrose, M.J.; Riitters, K.H. [and others]. 2005b. Forest Health Monitoring 2003 national technical report. Gen Tech. Rep. SRS-85. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 97 p.

 

Coulston, J.W.; Ambrose, M.J.; Riitters, K.H.; Conkling, B.L. 2005c. Forest Health Monitoring 2004 national technical report. Gen Tech. Rep. SRS-90. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. 81 p.

 

Geographic Data Technology. 2002. Dynamap/2000 user manual. Lebanon, NH: Geographic Data Technology, Inc. 191 p.

 

National Climate Data Center. 1994. Time bias corrected divisional temperature-precipitation-drought index. Documentation for dataset TD-9640 with link to most current data set. Available from Database Management Branch, National Climate Data Center, National Oceanic and Atmospheric Administration, Federal Building, 37 Battery Park Ave. Asheville, NC 28801-2733. 12 p. Available online at: http://www.ncdc.noaa.gov/oa/climate/onlineprod/drought/readme.html. [Date accessed: date unknown]

Riitters, K.H.; Wickham, J.D. 2003 How far to the nearest road? Frontiers in Ecology and Environment. 1:125-129 

Tkacz, B.M. 2003. Forest Health Monitoring Program. [Factsheet]. Washington, D.C.: U.S. Department of Agriculture, Forest Service, State and Private Forestry, Forest Health Protection. 2 p. http://www.fhm.fs.fed.us. [Date accessed: June 22, 2004].

Vogelmann, J.E.; Howard, S.M.; Yang, L. [and others]. 2001. Completion of the 1990s national land cover data set for the coterminous United States from landsat thematic mapper data and ancillary data sources. Photogrammetric Engineering andRemote Sensing. 67: 650-662

Zhu, Z.; Evans, D.L. 1994. U.S. forest types and predicted percent forest cover from AVHRR data. Photogrammetric Engineering and Remote Sensing. 60: 525-531.

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