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Table 1 Data inputs for the root-distribution model (DBH and distance of each tree, T, from each soil trench, P), in the four transects (89, 160, 210, and 237 sph) (also see Fig. 4)

From: Modelling of root reinforcement and erosion control by ‘Veronese’ poplar on pastoral hill country in New Zealand

Tree number and spacing

DBH (m)

  

Distance (m)

  
  

P1

P2

P3

P4

P5

89 sph

      

T1

0.19

5.35

13.4

16.1

18.8

26.7

T2

0.26

5.35

2.7

5.4

8.1

16.0

T3

0.26

16.15

8.1

5.4

2.7

5.2

T4

0.2

26.55

18.5

15.8

13.1

5.2

160 sph

      

T1

0.27

3.75

9.55

11.60

13.65

19.77

T2

0.29

3.75

2.05

4.10

6.15

12.27

T3

0.25

11.95

6.15

4.10

2.05

4.07

T4

0.22

20.1

14.30

12.25

10.2

4.07

210 sph

      

T1

0.31

3.35

8.45

10.2

11.95

17.2

T2

0.31

3.35

1.75

3.5

5.25

10.5

T3

0.31

10.35

5.25

3.5

1.75

3.5

T4

0.28

17.35

12.25

10.5

8.75

3.5

237 sph

      

T1

0.26

3.05

7.77

9.45

11.12

16.15

T2

0.3

3.05

1.67

3.35

5.02

10.05

T3

0.23

9.75

5.02

3.35

1.67

3.35

T4

0.21

16.15

11.72

10.05

8.37

3.35