Table 4 Correlation coefficients (r²) between average annual precipitation and A_max and Φ for beech and fir in all three light categories - in open, edge and under canopy conditions.

			A_max			Φ
			r²	A	B	r²	A	B
Average annual precipitation (mm)	Beech	Open	0.83	29.29	−0.009	0.56	0.032	−0.004
		Edge	0.76	31.42	−0.011	0.42	0.029	−0.003
		Canopy	0.86	36.54	−0.015	0.40	0.027	−0.004
	Fir	Open	0.83	39.52	−0.146	0.57	0.009	0.006
		Edge	0.78	46.67	−0.189	0.89	0.008	0.009
		Canopy	0.86	54.49	−0.232	0.86	0.011	0.009
Average annual air T (°C)	Beech	Open	0.39	17.07	−0.006	0.31	0.038	−0.066
		Edge	0.36	16.83	−0.007	0.32	0.037	−0.071
		Canopy	0.36	19.62	−0.010	0.36	0.037	−0.002
	Fir	Open	0.33	19.50	−0.084	0.19	0.009	0.086
		Edge	0.44	23.28	−0.124	0.32	0.007	0.133
		Canopy	0.44	29.68	−0.176	0.22	0.011	0.111

A and B parameters for the equation Y = A*exp ^(B*X) are presented. Values above 0.50 are marked bold.

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