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Table 1 Descriptive statistics of the sample of trees used

From: Selection of mixed-effects parameters in a variable–exponent taper equation for birch trees in northwestern Spain

Variable

Mean

Minimum

Maximum

Std. dev.

Nº sections

10.3

4

21

3.4

d

20.0

7.3

39.2

6.0

h

14.5

6.2

24.4

3.4

h st

0.16

0.0

0.5

0.08

  1. d diameter at breast height (cm), h, total tree height (m), h st , stump height (m)
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Annals of Forest Science

ISSN: 1297-966X