A multifunctional comparison of even-aged and uneven-aged forest management in a boreal region

Canadian Journal of Forest Research - Tập 41 Số 4 - Trang 851-862 - 2011
Timo Pukkala1, Erkki Lähde2, Olavi Laiho3, Kauko Salo4, Juha‐Pekka Hotanen4
1University of Eastern Finland, Faculty of Science and Forestry, P.O. Box 111, 80101 Joensuu, Finland.
2Finnish Forest Research Institute, Vantaa Unit, P.O. Box 18, 01301, Vantaa, Finland
3Finnish Forest Research Institute, Parkano Unit, 39700 Parkano, Finland.
4Finnish Forest Research Institute, Joensuu Unit, P.O. Box 68, 80101 Joensuu, Finland

Tóm tắt

The choice between even- and uneven-aged forest management is a topical issue as the negative impacts of clear-felling are being increasingly criticized and the profitability of even-aged management has been questioned. This study compared these management systems in spruce and pine stands in terms of timber, carbon, and bilberry benefits, all of which can be predicted with reasonable accuracy and quantified in terms of money. Management was optimized by maximizing the total net present value (NPV) of the three benefits in a steady-state situation. The currently recommended type of even-aged management was also included in the comparisons. Uneven-aged management was the best in terms of the total NPV and with respect to bilberry benefits (NPV of bilberry harvesting). It was also better than even-aged management in terms of timber benefits when the discount rate was more than 1%. The ranking was less clear in terms of carbon sequestration and discounted carbon benefits.

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Canadian Journal of Forest Research

Tập 41 Số 4

851-862

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