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Table 1 Main mensurational parameters of sampled stands derived from the SelPiBio dataset (https://doi.org/10.1007/s13595-017-0648-8)

From: Single-tree crown shape and crown volume models for Pinus nigra J. F. Arnold in central Italy

Site

Species

Density [Trees.ha−1]

Quadratic mean diameter

[cm]

Mean height

[m]

Basal area [m2.ha−1]

Volume

[m3.ha−1]

Amiata

(45 years)

Black pine

959

24.3

18.1

43.6

386.4

Other

91

16.7

12.8

1.2

7.7

GLOBAL

1050

23.6

17.8

44.8

394.1

Pratomagno

(60 years)

Black pine

889

29.5

19.2

59.1

538.4

Other

188

20.5

15.5

9.5

94.2

GLOBAL

1077

28.7

18.8

68.6

632.6