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Table 3 Mean annual biomass accumulation (t ha−1 a−1, above-and below-ground, dead and living) after 12–24 years

From: How can forest management increase biomass accumulation and CO2 sequestration? A case study on beech forests in Hesse, Germany

 

Biomass (t ha−1 a−1)

All species

Beech

Incl. harvest

Excl. harvest

Incl. harvest

Excl. harvest

Forest res. 1

13.6 (± 2.8)

13.6 (± 2.8)

12.5 (± 2.6)

12.5 (± 2.6)

Forest res. 2

17.2 (± 2.6)

17.0 (± 2.7)

15.8 (± 2.4)

15.7 (± 2.4)

Annual diff

3.7 (± 1.0)

3.5 (± 0.9)

3.3 (± 0.9)

3.2 (± 0.8)

%

127.0

125.6

126.2

125.0

Man. area 1

14.2 (± 3.1)

14.2 (± 3.1)

12.7 (± 2.5)

12.7 (± 2.5)

Man. area 2

20.2 (± 2.9)

12.1 (± 3.7)

18.4 (± 2.7)

10.7 (± 3.0)

Annual diff

6.1 (± 2.0)

− 20 (± 1.0)

5.7 (± 2.2)

− 1.9 (± 1.0)

%

142.6

85.6

145.3

84.6

%-points

15.6

− 40.1

19.1

− 40.7

  1. “Forest res. 1” indicates the first inventory of the forest reserve, “forest res. 2” the second, etc.