Table 1.

Average values for the total height and basal diameter without bark of 6-year-old trees of the simulations and validation samples in two contrasting sites.

	Good site: Los Alamos		Regular site: La Granja
	Simulation results	Validation database	Simulation results	Validation database
Height (cm)
Mean (s.e.)	692·8 (25·9)	654·8 (29·9)	443·3 (21·8)	402·3 (27·7)
Sample size	14	4	11	4
Range	541·2–846·9	596–738	369·7–568·0	314·3–490·2
Basal diameter (cm)
Mean (s.e.)	15·7 (0·74)	12·5 (1·7)	18·2 (0·66)	14·5 (1·2)
Sample size	14	4	11	4
Range	12·7–23·2	7·8–15·6	15·4–22·6	12·1–17·5