Table 4 Operations and benefits of Norway spruce regeneration from year n, with a waiting period of n years before clearance (Euros per hecare)
Operations (year) | Year 5, with a waiting period of 5 years | Year 10, with a waiting period of 10 years | ||
|---|---|---|---|---|
Benefits, low mortality | Benefits, high mortality | Benefits, low mortality | Benefits, high mortality | |
Clearing (0) | −800 | −800 | −900 | −900 |
Thinning (10) | −1,023 | −1,023 | ||
Thinning (15) | −1,023 | −1,023 | ||
Thinning (30) | 1,117 | 559 | ||
Thinning (35) | 1,180 | 590 | ||
Thinning (40) | 1,366 | 455 | ||
Thinning (45) | 1,442 | 481 | ||
Thinning (50) | 1,925 | 481 | ||
Thinning (55) | 2,032 | 508 | ||
Harvest (60) | 17,475 | 3,495 | ||
Harvest (65) | 18,446 | 3,689 | ||
Net present value at 4 % | NPV(NS, 5) = 854 | NPV(NS, 5) = −748 | NPV(NS, 10) = 971 | NPV(NS, 10) = −873 |