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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 speciesBeech
Incl. harvestExcl. harvestIncl. harvestExcl. harvest
Forest res. 113.6 (± 2.8)13.6 (± 2.8)12.5 (± 2.6)12.5 (± 2.6)
Forest res. 217.2 (± 2.6)17.0 (± 2.7)15.8 (± 2.4)15.7 (± 2.4)
Annual diff3.7 (± 1.0)3.5 (± 0.9)3.3 (± 0.9)3.2 (± 0.8)
%127.0125.6126.2125.0
Man. area 114.2 (± 3.1)14.2 (± 3.1)12.7 (± 2.5)12.7 (± 2.5)
Man. area 220.2 (± 2.9)12.1 (± 3.7)18.4 (± 2.7)10.7 (± 3.0)
Annual diff6.1 (± 2.0)− 20 (± 1.0)5.7 (± 2.2)− 1.9 (± 1.0)
%142.685.6145.384.6
%-points15.6− 40.119.1− 40.7
  1. “Forest res. 1” indicates the first inventory of the forest reserve, “forest res. 2” the second, etc.