This author has not been identified. Look up 'Steven C. Amstrup' in GoogleThis author has not been identified. Look up 'Hal Caswell' in GoogleThis author has not been identified. Look up 'Eric DeWeaver' in GoogleThis author has not been identified. Look up 'Ian Stirling' in GoogleThis author has not been identified. Look up 'David C. Douglas' in GoogleThis author has not been identified. Look up 'Bruce G. Marcot' in GoogleThis author has not been identified. Look up 'Christine M. Hunter' in Google