Disturbance effects on timberland returns

Petri P Kärenlampi

PLOS Sustainability and Transformation, 2024, vol. 3, issue 12, 1-13

Abstract: Probability theory is applied to the effect of severe disturbances on the return rate on capital within multiannual stands growing crops. Two management regimes are discussed, rotations of even-aged plants on the one hand, and uneven-aged semi-stationary state on the other. The effect of any disturbance appears two-fold, contributing to both earnings and capitalization. Results are illustrated using data from a recently published study, regarding spruce (Picea abies) forests in Austria. The economic results differ from those of the paper where the data is presented, here indicating continuous-cover forestry is financially inferior to rotation forestry. Any severe disturbance may induce a regime shift from continuous-cover to even-aged forestry. If such a regime shift is not accepted, the disturbance losses reduce profits but do not affect capitalization, making continuous-cover forestry financially more sensitive to disturbances. Revenue from carbon rent favors the management regime with higher carbon stock. The methods introduced in this paper can be applied to any dataset, regardless of location and crop species.Author summary: A method is developed for the evaluation of the financial effects of disturbances of periodic growth processes. It is found that not only profit rate, but also capitalization is affected. In the case of a non-periodic growth process, however, profit rate is affected but not necessarily capitalization. This makes the periodic growth process financially more robust to disturbances.

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pstr00:0000146

DOI: 10.1371/journal.pstr.0000146

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