Table 3.

Pearson’s correlation coefficients for leaf traits, growth, photosynthesis, stomatal conductance, and fluorescence among all trees on July 27, 2015 (=wet).

Blue	SLA	dia gr	A	PNUE	g_s	C_i	Fv’/Fm’	ΦPSII
N	0.93^***	0.46	0.05	−0.79^*	−0.03	−0.11	−0.48	−0.09
SLA		0.31	−0.14	−0.83^**	−0.35	−0.29	−0.48	0.09
dia gr			−0.19	−0.57	0.16	0.29	−0.28	0.04
A				0.55	0.63	−0.33	0.60	0.91^**
PNUE					0.34	−0.15	0.72^*	0.46
g_s						0.52	0.86^**	0.46
C_i							0.42	−0.45
Fv’/Fm’								0.37

White
N	0.99^***	−0.58	−0.56	−0.84^**	0.43	0.77^*	−0.51	−0.35
SLA		−0.54	−0.54	−0.84^**	0.48	0.80^*	−0.44	−0.32
dia gr			0.44	0.45	0.06	−0.25	0.79^*	0.42
A				0.76^*	0.20	−0.62	0.69	0.83^*
PNUE					−0.21	−0.77^*	0.61	0.67
g_s						0.64	0.19	0.54
C_i							−0.35	−0.23
Fv’/Fm’								0.59

Green
N	0.99^***	−0.12	0.49	−0.97^***	0.42	0.02	0.44	0.42
SLA		−0.20	0.42	−0.95^***	0.37	0.01	0.45	0.45
dia gr			−0.17	0.04	0.36	0.52	−0.58	−0.39
A				−0.40	0.27	−0.43	0.75^*	0.51
PNUE					−0.39	−0.06	−0.37	−0.29
g_s						0.74^*	−0.03	0.32
C_i							−0.62	−0.13
Fv’/Fm’								0.62

Black
N	0.98^***	−0.40	0.19	−0.77^*	0.08	−0.05	0.21	−0.20
SLA		−0.31	0.08	−0.83^*	−0.06	−0.21	0.03	−0.31
dia gr			−0.05	0.33	−0.30	−0.55	0.04	0.31
A				0.38	0.91^**	0.63	0.76^*	0.71^*
PNUE					0.50	0.48	0.28	0.54
g_s						0.88^**	0.68	0.62
C_i							0.56	0.50
Fv’/Fm’								0.82^*

Man × Black
N	0.67	−0.31	0.38	−0.30	0.19	−0.11	0.67	0.61
SLA		−0.09	0.29	−0.16	−0.09	−0.43	0.48	0.69
dia gr			0.54	0.80^*	0.52	0.29	0.27	0.17
A				0.76^*	0.79^*	0.38	0.77^*	0.56
PNUE					0.68	0.44	0.31	0.24
g_s						0.86^**	0.46	−0.03
C_i							0.06	−0.52
Fv’/Fm’								0.72^*

Manchurian
N	0.83^**	0.74^*	0.40	−0.08	−0.10	−0.45	0.44	0.25
SLA		0.43	0.21	−0.22	−0.36	−0.50	0.12	0.18
dia gr			0.41	0.09	0.34	0.14	0.77^*	0.03
A				0.88^**	0.76^*	0.11	0.60	0.75^*
PNUE					0.88^**	0.34	0.42	0.70
g_s						0.65	0.63	0.47
C_i							0.46	−0.16
Fv’/Fm’								0.01

↵*P < 0.05,
↵**P < 0.01,
↵***P < 0.001; N = leaf nitrogen (μmol mol⁻² s⁻¹); SLA = specific leaf area (m²g⁻¹); dia gr = diameter growth in 2015 (cm); A = net assimilation rate (μmol m⁻² s⁻¹); g_s = stomatal conductance (mol m⁻² s⁻¹); PNUE = photosynthetic nitrogen use efficiency (μmol mol⁻² s⁻¹); C_i = intercellular CO₂ (μmol mol⁻¹); Fv’/Fm’ = light-adapted variable fluorescence; ΦPSII = fraction of absorbed photons used by photosystem II.