New Zealand Journal of Forestry Science

Table 3 Comparison of site means for acoustic tree sample and veneer sub-sample trees (means with the same letter are not significantly different)

From: Linking acoustic velocity of standing Douglas-fir trees to veneer stiffness: a tree-log-product study across thinning treatments

Acoustic tree sample						Veneer tree subsample
Site	N	Velocity	Diameter	Height	Taper^†	N	Velocity	Diameter	Height	Taper^†	Density	MOE_L	MOE_T
		(km s^-1)	(cm)	(m)	(cm m^-1)		(km s^-1)	(cm)	(m)	(cm m^-1)	(kg m^-3)	(GPa)	(GPa)
803	260	4.05	39.6	36.0	1.09	30	4.06	37.7	34.8	1.07	439	11.4	11.1
803*	208	4.02a	40.7a	36.3a	1.11b	24	4.03a	38.2a	34.6a	1.09b	443a	11.7a	11.2
808	200	3.90b	42.2a	30.2b	1.40a	21	3.87b	43.2a	30.3b	1.42a	430a	10.5b	nc

^†Calculated as the ratio of Diameter:Height.
*Comparisons conducted excluding plot C from Site 803 for consistency.
nc = not calculated.

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