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Table 9 Volume (including bark VOID) and mass proportions (%) per compartment for sapwood, heartwood and bark for seven tree species. Note that sapwood and heartwood are not distinguished for Norway spruce, birch and beech

From: Impacts of harvesting methods on nutrient removal in Dutch forests exposed to high-nitrogen deposition

Tree species

Volume proportion (%)

Mass proportion (%)

Sapwood

Heartwood

Bark

Sapwood

Heartwood

Bark

Larch

36

47

17

40

51

9

Spruce

  

11

  

9

Fir

55

28

17

59

31

10

Pine

76

11

14

81

12

7

Birch

  

13

  

9

Beech

  

6

  

5

Oak

35

46

19

38

49

13

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Annals of Forest Science

ISSN: 1297-966X