Forest management: Are double or mixed rotations preferable to clear cutting?
We study a particular uneven-aged forest stand management pattern, variations of which are often advocated in practice to mitigate the adverse effects of clear cutting. The forest stand under consideration is similar to a Faustmann stand, with the following difference: rather than being single aged, the forest tract contains trees of two age classes so that it is submitted to a form of selective cutting. Each harvest involves all of the older trees and only a fraction of the younger ones; hence the name mixed rotation. Trees left standing at harvest help stimulate natural regeneration and improve various environmental and amenity characteristics of the forest. We model this effect by using a cost function that varies with respect to the harvest rate of younger trees. We derive the properties that this cost function must exhibit in order some form of mixed rotation to be superior to the conventional single rotation à la Faustmann; we also characterize the mixed rotation in terms of duration and the harvest rate of younger trees, and we compare its properties with Faustmann's rule.
Year of publication: |
2011
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Authors: | Khazri, Olfa ; Lasserre, Pierre |
Published in: |
Resource and Energy Economics. - Elsevier, ISSN 0928-7655. - Vol. 33.2011, 1, p. 155-171
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Publisher: |
Elsevier |
Keywords: | Forest management Clear cutting Faustmann' s rule Tree retention Uneven-aged lots Amenity value Mixed rotation Selective cutting Amenagement forestier Coupe a blanc Regle de Faustmann Retention d' arbres Foret inequienne Valeur d' attraction Rotation mixte Coupe selective |
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