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Table 4 Annual stem CO2 efflux for 21-, 25- and 41-year-old Larix principis-rupprechtii forests. The means ± the standard deviations of the between tree variations are shown (n = 3)

From: Effect of thinning intensity on the stem CO2 efflux of Larix principis-rupprechtii Mayr

 

Stand age

Control

TI 15 %

TI 20 %

TI 30 %

TI 35 %

Stand-Scale

(t CO2∙ha− 1∙yr− 1)

21

7.47 ± 0.23

8.53 ± 0.33

9.06 ± 0.15

9.22 ± 0.35

10.86 ± 0.37

25

15.89 ± 0.54

13.32 ± 2.35

12.04 ± 0.40

10.08 ± 0.42

11.70 ± 1.82

41

3.80 ± 0.10

5.14 ± 0.17

4.93 ± 0.28

5.44 ± 0.15

5.87 ± 0.31

Tree-Scale

(kg CO2∙plant− 1∙yr− 1)

21

1.80 ± 0.21

2.51 ± 0.17

2.94 ± 0.16

3.51 ± 0.20

4.84 ± 0.22

25

5.15 ± 0.27

5.77 ± 0.39

6.39 ± 0.29

6.30 ± 0.36

10.40 ± 0.49

41

4.11 ± 0.13

6.85 ± 0.30

7.39 ± 0.34

10.05 ± 0.51

12.35 ± 0.39