1. a Canada Centre for Remote Sensing , 2464 Sheffield Road, Ottawa, Ontario, Canada, KIA 0Y7
2. b Timber Management Branch, New Brunswick Department of Natural Resources and Energy , P.O. Box 6000, Fredericton, New Brunswick, E3B 5HI, Canada
3. c Canadian Forestry Service—Maritimes , P.O. Box 4000, Fredericton, New Brunswick, E3B 5P7, Canada
4. d Dendron Resource Surveys Ltd , 880 Lady Ellen Place, Ottawa, Ontario, K1Z 5L9, Canada