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- Title
Age structure of Eastern White Pine, pinus strobus L., at its northern distribution limit in Quebec
- Authors
Bergeron, Yves; Engelmark, Ola; Flannigan, Mike D.
- Abstract
Stand age structures of Eastern White Pine (Pinus strobus L.) were analysed on three sites with different fire histories (latest lire 1760, 1825 and 1941, respectively) in Quebec to assess whether Eastern White Pine is regenerating or not at its northern limit. Previous paleo-botanical findings suggest that this species once extended ca 100 km further north than the present distribution limit in Quebec. All three sites (dry habitats) represented vital populations where the individuals were established after the most recent fire. The results suggest that the relative lack of dry and/or disturbed sites in combination with a more severe fire regime that characterizes the northern lowlands, may explain why white pine expansion is restricted northwards.
- Subjects
FIRE; WHITE pine
- Publication
Canadian Field-Naturalist, 2000, Vol 114, Issue 4, p601
- ISSN
0008-3550
- Publication type
Article
- DOI
10.5962/p.364029