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Carbon concentrations of tree components, forest floor and understorey in young Pinus sylvestris stands in north-western Turkey

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This study examines the carbon concentrations of various above-ground biomass components (stem, bark, living branch, dead branch, needle and above-ground biomass), the forest floor and understorey. The research was carried out on Scots pine (Pinus sylvestris L.) stands in north-western Turkey. Sample trees were cut, and forest floor and understorey samples were collected from the 13 sampling areas in the 31-year-old Scots pine stands. Carbon contents of these samples were determined. Carbon concentrations of all tree components were found to be higher than 50%. This value is referred to as the general carbon conversion factor (CF). The weighted mean carbon concentration was found to be 51.96%. Consequently, if the CF for a single tree is taken to be 50%, carbon storage in the above-ground parts of the tree would have been underestimated by 3.77%. Carbon concentration, which was 53.02% in needles, was reduced to 50.08% in the litter plus fermentation layer of the forest floor and to 40.08% in the humus layer owing to decomposition. In the understorey, carbon concentration was determined to be 47.64%. There was a significant difference between the carbon concentrations of the tree components, forest floor and understorey.

Keywords: Biomass carbon equations; Scots pine; Turkey; biomass component; carbon; forest floor; understorey

Document Type: Research Article


Affiliations: Faculty of Forestry, Soil Science and Ecology Department, Istanbul University, Bahcekoy-Sariyer, Istanbul, Turkey

Publication date: October 1, 2009

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