We wish to express our appreciation to the following folks
for identifying typographical errors, and for providing 
suggestions on how future editions of the book can be enhanced:

Glen Armstrong, University of Alberta
Kelly A. Bettinger, Northwest Habitat Institute (Corvallis, OR)
Pan Cunde, Xinjiang Agricultural University (China)
Craig J. Davis, State University of New York, Syracuse (ESF)
David B. Field, University of Maine
Steve Friedman, Michigan State University
Sean Gordon, Oregon State University
David Graetz, Oregon State University
Mike Thompson, Montgomery Community College (Troy, NC)