Table 1 Basic stand data and locations to mills and ports for the four case study regions
Case study | ||||||||
|---|---|---|---|---|---|---|---|---|
Northland | Bay of Plenty | Nelson/Marlborough | Otago/Southland | |||||
Stand ID | A | B | C | D | E | F | G | H |
Pruning status | Unpruned | Unpruned | Pruned | Unpruned | Pruned | Unpruned | Pruned | Pruned |
Age (years) | 24 | 24 | 28 | 25 | 25 | 24 | 27 | 29 |
Stand density (stems ha−1) | 338 | 434 | 324 | 504 | 493 | 502 | 299 | 276 |
Merchantable tree size (m3) | 1.77 | 1.65 | 2.08 | 1.48 | 1.71 | 1.20 | 1.94 | 2.08 |
Total plot area (ha) | 0.44 | 0.44 | 0.91 | 0.56 | 0.60 | 0.60 | 1.00 | 0.90 |
Breast height outerwood density (kg m−3) | 442 | 466 | 421 | 410 | 431 | 420 | 404 | 395 |
Breast height acoustic velocity (km s−1) | 3.41 | 3.57 | 2.97 | 2.75 | 3.07 | 2.98 | 2.98 | 2.93 |
Distance from stand to mills, ports and central processing yards (km) | ||||||||
Appearance mill | 40 | 82 | 50 | 87 | 69 | 146 | 178 | 205 |
Structural mill | 52 | 35 | 135 | 105 | 104 | 47 | 30 | 58 |
Fibre mill | 160 | 228 | 94 | 52 | 108 | 51 | 134 | 156 |
Export port | 50 | 53 | 155 | 125 | 99 | 62 | 42 | 26 |
CPY* | – | – | 33 | 24 | – | – | – | – |