1

2

3

4

5

6

7

8

9

10

Number/hm2

1500

1100

2200

2200

1100

1500

1500

2200

1100

1500

Average height (m)

1.2

1.3

1.5

0.9

1.8

1.0

1.2

1.2

1.4

1.3

Average ground diameter (cm)

3.5

3.4

3.6

3.2

3.6

3.0

3.3

3.4

3.3

2.9