Methodological Choice | Options |
Valuation methodology | LEV-infinite rotations, NPV-one rotation, AE |
Unit | Tree, stand, hectare, village, region, national |
Site and species selection | Conifer/broadleaf |
Yield models | Dynamic/static, mathematical modelling |
Tree spacing/stand density | Varies with species, country & management objectives |
Thinning | Yes/No Intensity, type and interval |
Timing of harvesting | Rotation of MSY, financial/economic biomass Market optimisation |
Log optimisation | Whole tree price size curve, assortment, end-product prices, wood energy, carbon biomass |
Income streams | Subsidies, timber revenues, carbon credits, bioenergy |
Timber prices | Historic price series, current assortment prices |
Cost streams | Establishment, management, harvesting, contractors, own labour, farm overhead costs |
Discount rate | High, low, |
Indexation of costs/prices | CPI-general or component specific |
Agricultural opportunity cost | Gross margin/ha |
Carbon sequestration | Live wood, soil carbon, HWP |
Software | Combination of model outputs, custom or generic programmes, Excel, SPSS, Stata |