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The effects of disease on optimal forest rotation: a generalisable analytical framework

Research output: Contribution to journalArticle

Author(s)

Morag F. Macpherson, Adam Kleczkowski, John R. Healey, Nick Hanley

Abstract

The arrival of novel pathogens and pests can have a devastating effect on the market values of forests. Calibrating management strategies/decisions to consider the effect of disease may help to reduce disease impacts on forests. Here, we use a novel generalisable, bioeconomic model framework, which combines an epidemiological compartmental model with a Faustmann optimal rotation length model, to explore the management decision of when to harvest a single rotation, even-aged, plantation forest under varying disease conditions. Sensitivity analysis of the rate of spread of infection and the effect of disease on the timber value reveals a key trade-off between waiting for the timber to grow and the infection spreading further. We show that the optimal rotation length, which maximises the net present value of the forest, is reduced when timber from infected trees has no value; but when the infection spreads quickly, and the value of timber from infected trees is non-zero, it can be optimal to wait until the disease-free optimal rotation length to harvest. Our original approach provides an exemplar framework showing how a bioeconomic model can be used to examine the effect of tree diseases on management strategies/decisions.

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Details

Original languageEnglish
Pages (from-to)565-588
Number of pages24
JournalEnvironmental and Resource Economics
Volume70
Issue number3
Early online date27 Oct 2016
DOIs
Publication statusPublished - Jul 2018

    Research areas

  • Bioeconomic modelling, Disease, Faustmann, Forest management, Forestry, Optimal rotation length

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