Table 4 Light response parameters of dominant tree species in different habitats.

From: Trade-off strategies between drought resistance and growth rate of dominant tree species in karst forests within heterogeneous habitats

Code

Habitat

Pnmax

(µmol·m−2·s−1)

AQE

(µmol·m−2·s-1)

LCP

(µmol·m−2·s−1)

LSP

(µmol·m−2·s−1)

Rd

(µmol·m−2·s−1)

SP2

Depression

10.980 ± 2.114ab

0.086 ± 0.022a

10.370 ± 3.256b

1737.849 ± 484.882ab

0.836 ± 0.345b

SP3

Depression

11.763 ± 0.768ab

0.078 ± 0.019a

12.702 ± 2.642b

1607.053 ± 415.440ab

0.768 ± 0.202b

SP12

Depression

5.076 ± 1.673c

0.083 ± 0.011a

3.079 ± 0.428c

1853.864 ± 527.291a

0.243 ± 0.029c

SP15

Middle slope

3.209 ± 0.819c

0.081 ± 0.008a

4.392 ± 5.051c

1060.518 ± 354.429b

0.322 ± 0.362c

SP16

Middle slope

12.397 ± 1.063ab

0.077 ± 0.002a

8.940 ± 4.216bc

2010.117 ± 270.154a

0.657 ± 0.286bc

SP23

Middle slope

13.429 ± 1.752a

0.077 ± 0.003a

17.574 ± 1.892ab

2399.713 ± 85.145a

1.247 ± 0.088a

SP30

Hilltop

11.019 ± 1.288ab

0.063 ± 0.004b

19.058 ± 3.516a

2427.631 ± 19.288a

1.113 ± 0.267ab

SP34

Hilltop

4.486 ± 0.161c

0.078 ± 0.004a

10.606 ± 0.834b

866.679 ± 112.295b

0.723 ± 0.020bc

SP36

Hilltop

9.830 ± 3.167b

0.066 ± 0.015b

18.193 ± 1.330a

2323.788 ± 859.051a

1.081 ± 0.174ab

  1. Pnmax, maximum net photosynthetic rate; AQE, apparent quantum efficiency; LCP, light compensation point; LSP, light saturation point; Rd, dark respiration rate. The data are mean ± standard deviation, and different letters indicate significant differences (P < 0.05).