期刊
FORESTRY
卷 87, 期 1, 页码 99-107出版社
OXFORD UNIV PRESS
DOI: 10.1093/forestry/cpt021
关键词
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类别
资金
- Northern Ontario Development Agreement, Northern Forestry Program
- Lake Abitibi Model Forest
- Canadian Wood Fibre Centre
An uneven-aged silviculture experiment was established in second-growth peatland black spruce (Picea mariana [Mill.] B.S.P.) stands in the boreal forest of northeastern Ontario, Canada in 1994. Three harvest treatments along with an unharvested control were applied in three replications. Fifteen-year results indicate that light- and medium-intensity harvest treatments maintain stand structure suitable for the continued application of uneven-aged silviculture treatments. Based on basal area growth trends and the development of stand structure, a cutting cycle of 2025 years appears to be feasible for these treatments. Future harvests will likely yield a higher proportion of larger diameter trees with a greater value. The heavy harvest intensity treatment will result in a greater fluctuation of the growing stock and a longer cutting cycle. Without cutting treatments, the control treatment may eventually develop a stand structure that is unsuitable for the implementation of uneven-aged silviculture.
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