142 



FADING FORESTS 



North American Trees and the 

 Threat of Exotic Pests 



— ^3>«' 



Faith Thompson Campbell, Ph.D. 



and 



Scott E. Schlarbaum. Ph.D. 



Aisoaate Professor of Forest Genetics 



Department of Forestry, Wildlife and Fisheries 



Institute of Agrtculture 



The University of Tennessee at Knoxville 



Natural Resources Defense Council /January 1994 



