Fig. 3From: How can forest management increase biomass accumulation and CO2 sequestration? A case study on beech forests in Hesse, GermanyMean annual increment of individual trees in kg by dbh classes for forest reserves and management areas. Diameter classes larger than 80Â cm are excluded due to a low number of individuals. The whiskers describe the range of the respective dataset (min. and max.). Basal areas of forest reserves (GFR) and management areas (GMA) are provided for the first and second inventory, stand ages and years between the two inventories are indicated in bracketsBack to article page