Table 3 Photosynthetic N allocation and PNUE for the five studied Picea species

P_C (%)

11.96 ± 4.71a

3.83 ± 1.41b

5.65 ± 0.4b

3.68 ± 1.51b

1.64 ± 0.14b

**

P_B (%)

3.71 ± 0.77a

1.23 ± 0.59b

1.66 ± 0.34b

1 ± 0.26b

0.85 ± 0.3b

**

P_L (%)

2.74 ± 0.6a

1.66 ± 0.61bc

2.16 ± 0.36ab

1.01 ± 0.1 cd

0.74 ± 0.17d

**

P_photo (%)

18.41 ± 5.93a

6.72 ± 1.92bc

9.47 ± 1.03b

5.69 ± 1.74bc

3.23 ± 0.35d

**

P_non-photo (%)

81.59 ± 5.93c

93.28 ± 1.92ab

90.53 ± 1.03b

94.31 ± 1.74ab

96.77 ± 0.35a

**

PNUE (μmol mol⁻¹ s⁻¹)

56.89 ± 6.69a

29.34 ± 3.73b

23.03 ± 0.74b

15.93 ± 2.38c

16.22 ± 4.52c

**