Deepa S. Pureswaran, dpureswa@nrcan.gc.ca, Natural Resources Canada, Canadian Forest Service, Atlantic Forestry Centre, PO Box 4000, 1350 Regent Street, Fredericton, NB, Canada, Brian T. Sullivan, briansullivan@fs.fed.us, USDA Forest Service, Southern Research Station, 2500 Shreveport Hwy, Pineville, LA, Richard Hofstetter, rich.hofstetter@nau.edu, Northern Arizona University, Forestry, 110 E. Pine Knoll Dr, Building 82, Flagstaff, AZ, and David Dunn, daviddunn@comcast.net, Arts and Science Laboratory, Laboratory, Santa Fe, NM.