Affiliation: | 1. Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA 30602, USA E-mail: alittle@uga.edu;2. Warnell School of Forestry and Natural Resources, University of Georgia, Athens, GA 30602, USA;3. Joseph W. Jones Ecological Research Center at Ichauway, Newton, GA 39870, USA |