Table 2.

Linear correlations between the secondary metabolite contents in leaves, sample tree characteristics and mean annual temperature.

Group of compounds	Tree characteristics								MAT
	H tree	H sample	LA	LW	SLA	[N]	[P]	[K]
JA	0.33	0.29	−0.03	0.16	−0.26	−0.07	−0.12	0.06	0.59
FLA	−0.03	0.28	−0.43	0.04	−0.61	−0.65	−0.17	−0.32	0.60
HC	−0.24	−0.12	−0.54	−0.21	−0.42	−0.77	−0.38	−0.37	0.59
ST	−0.10	0.13	−0.29	−0.01	−0.41	−0.21	0.00	−0.23	0.30
logTG	0.08	0.40	−0.28	0.26	−0.71	−0.44	−0.08	−0.24	0.42
logHBA	−0.28	−0.49	0.22	−0.31	0.74	0.44	0.08	0.16	−0.70
MAR	0.28	0.61	−0.14	0.31	−0.63	−0.16	0.09	−0.02	0.44
logSUM	−0.05	0.24	−0.49	0.01	−0.66	−0.69	−0.24	−0.34	0.69

JA, jasmonates; FLA, flavonoids; HC, hydroxycinnamates; ST, sesquiterpenoids; TG, terpene glycosides; HBA, hydroxybenzoic acids; MAR, monoaryl compounds; SUM, sum of all compounds; sample tree characteristics (H_tree, height of the sample tree; H_sample, sampling height), concentration of foliar nutrients (N, P, K), leaf blade area (LA), leaf blade weight (LW), specific leaf area (SLA), and mean annual temperature (MAT). p<0.05; p#x003C;0.001.