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Table 1 Net present value calculated with 3% discount rate and optimal rotation length in the optimizations conducted for spruce plantation

From: Stand management optimization – the role of simplifications

Optimization problem NPV, €/ha Rotation length, yrs
10% damage 40% damage 10% damage 40% damage
1 Low thinning max 40% 408 73
2 Free thinning max 40% 651 92
3 Free thinning no limit 845 101
4 Mixed stand 1088 88
5 Ingrowth, 3 thinnings 1137 1107 126 118
6 Ingrowth, 4 thinnings 1187 1116 128 139
7 Ingrowth, 5 thinnings 1228 1153 131 171
  1. When ingrowth was simulated, either 10% or 40% of understorey trees were assumed to be damaged in a thinning treatment.