Table 2.

Pearson correlation between the species mean (n = 10) for functional traits measured for leaves (SLA, LDMC, N_shoot), roots (SRL, RDMC, N_root) and N uptake parameters (I_max and K_m for ${\text{NH}}_{\text{4}}^{+}$ and ${\text{NO}}_{\text{3}}^{–}$)

	SLA	LDMC	Nshoot	SRL	RDMC	Nroot	srr	${\text{NH}}_{\text{4}}^{+}$ Imax	${\text{NO}}_{\text{3}}^{–}$ Imax	${\text{NH}}_{\text{4}}^{+}$ Km	${\text{NO}}_{\text{3}}^{–}$ Km
SLA	–
LDMC	–0·89	–
Nshoot	0·77	–0·80	–
SRL	–0·10	–0·12	–0·08	–
RDMC	–0·63	0·43	–0·68	0·26	–
Nroot	0·24	–0·35	0·67	0·47	–0·37	–
SRR	–0·03	0·09	–0·15	0·44	–0·02	0·21	–
${\text{NH}}_{\text{4}}^{+}$ Imax	0·58	–0·49	0·44	0·46	–0·32	0·55	0·58	–
${\text{NO}}_{\text{3}}^{–}$ Imax	0·62	–0·52	0·52	–0·34	–0·38	0·01	–0·25	0·25	–
${\text{NH}}_{\text{4}}^{+}$ Km	–0·38	0·68	–0·39	–0·47	–0·07	–0·27	0·34	–0·12	–0·20	–
${\text{NO}}_{\text{3}}^{–}$ Km	–0·68	0·82	–0·50	–0·18	0·17	–0·11	0·19	–0·17	–0·16	0·70	–

P < 0·05 is indicated by bold; P < 0·1 is indicated by italics. Other values are not significant.