Table 1 Net present values and optimal values of decision variables for Poisson, regular and irregular stand in 5 repeated optimizations when the remaining basal area of thinning was calculated with a model (Eq. 2)
NPV (€∙ha−1) | Years to 1st thinning | Years to 2nd thinning | Years to 3rd thinning | w 1 (stem value) | w 2 (value increment) | w 3 (BAL effect) |
|---|---|---|---|---|---|---|
Poisson stand | ||||||
9133 | 0 | 10 | 10 | 0.37 | −0.25 | 0.38 |
9121 | 0 | 10 | 15 | 0.24 | −0.47 | 0.29 |
9127 | 0 | 10 | 10 | 0.48 | −0.50 | 0.02 |
9032 | 0 | 15 | 15 | 0.43 | −0.27 | 0.29 |
9105 | 0 | 10 | 10 | 0.29 | −0.05 | 0.66 |
Regular stand | ||||||
9319 | 0 | 10 | 10 | 0.35 | −0.31 | 0.34 |
9237 | 0 | 10 | 20 | 0.49 | −0.27 | 0.24 |
9304 | 0 | 15 | 10 | 0.78 | −0.04 | 0.18 |
9289 | 0 | 15 | 15 | 0.46 | −0.29 | 0.26 |
9313 | 0 | 10 | 15 | 0.30 | −0.13 | 0.57 |
Irregular stand | ||||||
8247 | 0 | 10 | 10 | 0.42 | −0.13 | 0.45 |
6852 | 0 | 25 | 45 | 0.46 | −0.27 | 0.26 |
8266 | 0 | 10 | 10 | 0.32 | −0.43 | 0.25 |
7511 | 0 | 30 | 10 | 0.38 | −0.30 | 0.32 |
8238 | 0 | 10 | 35 | 0.50 | 0.01 | 0.52 |