[1] Univ Georgia, Warnell Sch Forestry & Nat Resources, Integrat Conservat, Athens, GA 30602 USA
[2] E Carolina Univ, Dept Geog Planning & Environm, Atmospher Sci, Greenville, NC 27858 USA
[3] E Carolina Univ, Dept Geog Planning & Environm, Greenville, NC USA
[4] E Carolina Univ, Ctr Sustainabil, Greenville, NC USA