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Table 6 Mean stand attributes for the regions of provenance of Pinus nigra. Standard deviation between brackets

From: National scale variability in forest stand variables among regions of provenances in Spain

Prov

n

N

Dn

Ht

G

Nse

Nsa

ShCov

Rtree

Rshrub

1

63

777

16.2

8.1

15.9

10,047

655

44.3

2

7

(607)

(5.2)

(2.3)

(11.7)

(4447)

(646)

(25.2)

(1)

(3)

2

46

801

16.2

7.7

14.6

9492

726

42.6

2

5

(647)

(6.6)

(2.1)

(10.2)

(4601)

(645)

(21.9)

(1)

(2)

3

545

834

16.7

9

16.7

9651

977

45.8

2

6

(589)

(5)

(2.6)

(10.2)

(4373)

(1020)

(28.3)

(1)

(3)

5

52

556

19

8.8

14.1

7292

693

66.3

2

8

(415)

(6.4)

(2.9)

(10.7)

(4311)

(786)

(36.3)

(1)

(3)

6

257

530

20.8

8.4

15.2

7907

789

33.3

2

5

(491)

(7.4)

(2.4)

(10.6)

(4575)

(955)

(22.5)

(1)

(3)

7

1253

458

20.8

8.8

12.8

5975

579

51.2

2

5

(502)

(7.8)

(3.1)

(10.6)

(4144)

(844)

(30.4)

(1)

(2)

8

521

483

24.1

8.8

15.7

4988

401

32.8

2

5

(513)

(12)

(3.5)

(11.6)

(3618)

(650)

(21.8)

(1)

(2)

13

88

599

16.7

6.4

11.3

1621

173

23.8

2

4

(518)

(6.7)

(1.7)

(9.1)

(2393)

(346)

(21.3)

(1)

(2)

  1. Prov, region of provenance; n, number of plots with basal area of P. nigra larger than 80%; N, number of adult trees per hectare; Dn, mean diameter of the adult trees in cm; H, mean height of adult trees in m; G, basal area in m2 ha−1; Nse, number of seedlings per hectare; Nsa, number of saplings per hectare; ShCov, shrub coverage in %. Rtree, number of tree species; and Rshrub, number of shrub species