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Table 5 Values of diameter at breast height, breast height outerwood density and stress-wave velocity by site, seedlot and silvicultural regime

From: Effects of site, silviculture and seedlot on wood density and estimated wood stiffness in radiata pine at mid-rotation

Stand density (stems ha−1) Seedlot and site
Woodhill Kaingaroa Tahorakuri Glengarry Otago coast
  GF13 GF14 GF21 Mean GF13 GF14 GF21 Mean GF13 GF14 GF21 Mean GF13 GF14 GF21 Mean GF13 GF14 GF21 Mean
DBH (mm)                     
100 484 (476) 460 (441) 458 (443) 467 (455) 420 (407) 442 (437) 434 (424) 432 (423) 509 (508) 529 (532) 507 (487) 520 (509) 586 (577) 621 (597) 600 (596) 602 (590) 473 (474) 558 (541) 512 (499) 496 (505)
400 335 (334) 347 (346) 349 (350) 343 (345) 324 (326) 335 (341) 346 (343) 335 (337) 369 (362) 395 (385) 383 (386) 382 (378) 403 (419) 435 (441) 412 (416) 398 (426) 403 (405) 398 (388) 398 (404) 400 (399)
500 354 (323) 355 (352) 337 (335) 348 (337) 317 (335) 345 (362) 332 (349) 331 (348) 389 (387) 385 (374) 388 (423) 387 (399) 416 (440) 426 (450) 432 (441) 425 (444) 317 (382) 398 (395) 397 (416) 371 (397)
Mean 391 (378) 387 (380) 381 (377) 386 (378) 353 (356) 374 (380) 370 (372) 366 (369) 424 (419) 438 (435) 427 (432) 430 (429) 468 (479) 476 (496) 481 (484) 475 (487) 391 (426) 445 (436) 430 (440) 422 (434)
Stress Wave Velocity (km s −1 )                
100 2392 2400 2376 2390 2133 2042 2070 2081 2180 2042 2247 2156 2235 2146 2399 2259 2055 2027 2005 2029
400 2581 2785 2649 2672 2374 2340 2357 2357 2558 2375 2384 2439 2609 2439 2650 2566 2104 2096 2129 2110
500 2351 2372 2474 2399 2006 2008 2016 2010 2293 2182 2231 2236 2158 2170 2305 2211 1945 1878 2028 1967
Mean 2441 2515 2504 2487 2170 2130 2148 2150 2343 2201 2286 2277 2334 2251 2450 2345 2047 2005 2054 2035
Outerwood Density (kg m −3 )                 
100 449 436 423 436 382 352 361 365 382 366 376 375 392 350 358 367 394 365 367 375
400 483 436 464 461 398 364 377 380 419 378 390 395 408 372 409 397 395 381 376 384
500 492 418 461 457 378 361 385 379 408 381 383 390 394 375 399 389 414 383 380 393
Mean 475 430 450 451 386 364 374 375 403 375 382 387 398 366 388 384 401 376 375 384
  1. The values of diameter at breast are given for all trees in the plot as well as those selected for measurement of wood properties (in parentheses).