Table 2 Sample tree dataset: a list of the fields and descriptive statistics.

From: A dataset of forest biomass structure for Eurasia

Field

Number

Unique

Median

Min

Max

Sample tree description and size:

 Tree species (Latin name)

9,613

90

   

 Age (years)

9,575

 

36

3

430

 Diameter at breast height—DBH (cm)

9,518

 

12

0

98.0

 Height of the tree (m)

8,625

 

11.6

0.1

44.2

 Height to crown base (m)

5,774

 

5.3

0

25.8

 Diameter (maximal) of the crown (m)

4,091

 

2.2

0

14.3

 Stem over bark volume (dm3)

7,169

 

68.4

0

6,984

 Stem bark volume (dm3)

5,404

 

11.0

0

678.0

 Origin (natural or planted)

9,530

2

   

Live biomass (kg oven dry matter1)

 Stem over bark

7,466

 

29.4

0

4,122.0

 Bark of stem

4,799

 

4.9

0

280.0

 Crown wood over bark

8,862

 

3.9

0

1,091.8

 Leaves & needles

8,896

 

2.0

0

305.0

 Above ground

7,474

 

36.6

0

5,089.0

 Stump & roots of trees

1,746

 

5.0

0

901.0

 Total tree

1,712

 

28.8

0

5,134.8

Location and reference

 Country code (ISO ALPHA-3)

9,613

21

   

 Latitude

9,613

 

54.7

31.5

69.9

 Longitude

9,613

 

55.8

−2.5

155.0

 Altitude (m a.s.l.)

226

 

162

45

3,620

 Number of trees per hectare

8,592

 

2,003

69

900,000

 Reference

9,613

159

   

 Notes

430

    

 Ecoregion28

9,613

48

   

 Link to the sample plot (ID of the sample plot dataset)

6,280

791