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Splitting in Fire-Killed Trees in the Boreal Forest of Alberta

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Abstract:



Tree boles in the boreal forests of Alberta, Canada will split once killed by a stand-replacing crown fire. A total of 1,485 fire-killed trees were sampled, 1 yr after burning, in 23 plots in 14 widely separated stands within a 370,000 ha fire. Sampling occurred in the Upper and Lower Foothills natural subregions. The frequency of splitting varied by species but averaged 41% for all species. The order in the frequency of splitting was balsam fir, black spruce, white spruce and lodgepole pine. The type of splitting (straight, spiral, or multiple) varied by species, as did the position of the split on the tree bole. Aspect or solar angle was not statistically related to the type or occurrence of splitting.

Keywords: Boreal forest; bole splitting; checking; fire effects; salvage logging

Document Type: Miscellaneous

Affiliations: 1: 8-1, Kamiichi, Toyo-shi, Ehime, JAPAN, 799-1336, 2: Department of Renewable Resources, University of Alberta, 751 General Services Building, Edmonton, Alberta, Canada, T6G 2H1, 3: #91-6700 Rumble Street, Burnaby, B.C., Canada, V5E 4H7,

Publication date: December 1, 2003

More about this publication?
  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Northern Journal of Applied Forestry covers northeastern, midwestern, and boreal forests in the United States and Canada.
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