. Author manuscript; available in PMC: 2013 Sep 9.

Published in final edited form as: Can J For Res. 2013 May 1;43(7):609–618. doi: 10.1139/cjfr-2012-0426

Table 3.

Regression model statistics of linear trend in growth curves of Picea abies age classes at different sampling height

Age class	Sampling height	r²	P	Slope	Constant
I	stem base	0.86	<0.001	12.076 ± 1.009	107.33
II	stem base	0.86	<0.001	7.856 ± 0.524	147.22
I	0.3 m	0.26	0.247	3.317 ± 2.775	820.74
II	0.3 m	0.87	<0.001	10.721 ± 0.586	556.68
III	0.3 m	0.90	<0.001	6.632 ± 0.236	156.93
IV	0.3 m	0.58	<0.001	2.255 ± 0.187	224.70
III	1 m	0.77	<0.001	5.013 ± 0.286	576.97
IV	1 m	0.53	<0.001	2.090 ± 0.165	513.19