Annals of Forest Science

Table 1 The number of observations (N), the mean age (\(\overline{{\varvec{X}} }\)), standard deviation (SD), minimal (min), and maximal (max) age in age classes of datasets used for calibration and verification of height growth models

From: Dynamic height growth models for highly productive pedunculate oak (Quercus robur L.) stands: explicit mapping of site index classification in Serbia

Calibration						Verification
Age class	N	\(\overline{X }(SD)\)		Min	Max	N	\(\overline{X }(SD)\)		Min	Max
(± 10) 20	153	24	3.91	15	30	93	24.81	3.25	19	30
40	251	41.2	5.68	31	50	155	43.77	4.68	31	50
60	252	61.03	5.43	51	70	226	59.81	4.59	51	70
80	257	81.18	5.77	71	90	244	83.35	5.20	71	90
100	301	100.05	5.62	91	110	366	99.81	5.27	91	109
120	258	121.11	5.28	111	130	262	120.81	4.78	112	130
140	261	140.11	5.44	131	149	206	140.95	4.98	131	149

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ISSN: 1297-966X

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