Biomass and carbon storage in an age-sequence of Japanese red pine (Pinus densiflora) forests in central Korea

Xiaodong Li, Yeong Mo Son, Kyeong Hak Lee, Rae Hyun Kim, Guangze Jin, Yo Whan Son, Pil Sun Park, Myong Jong Yi

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Abstract

The biomass and carbon (C) storage of the main ecosystem components were examined in an age-sequence of six Japanese red pine forest stands in central Korea. The tree biomass was determined by the destructive method, and the C storage of the tree biomass, forest floor and mineral soil was estimated by analyzing the C concentration of each component. The above-ground and total tree biomass increased from 21.76 and 28.82 Mg ha-1 in the 17-year-old stand to 308.83 and 385.74 Mg ha-1 in the 73-year-old stand. The comparisons of above-ground tree and tree root biomass in replicate stands indicated that stand density has an effect on tree biomass partitioning for Japanese red pine, especially on the biomass allocation of above-ground tree and tree roots. The C concentrations were lowest in the tree roots while the highest concentrations were found in the foliage across the six Japanese red pine forest stands. The C storage in the forest floor and mineral soil were age-independent. The above-ground and total ecosystem C stocks increased from 19.40 and 43.49 Mg ha-1 in the 17-year-old stand to 162.72 and 247.39 Mg ha-1 in the 73-year-old stand. Although the total tree biomass C showed considerable accumulation with stand age, the relative contribution of the below-ground ecosystem to the total ecosystem C storage demonstrated large variation. The results of this study assist in understanding C storage and its change with stand development in Japanese red pine forests, which makes this species a large sink for atmospheric C at the regional scale.

Original languageEnglish
Pages (from-to)39-44
Number of pages6
JournalForest Science and Technology
Volume9
Issue number1
DOIs
Publication statusPublished - 2013 Mar 1

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Keywords

  • age-sequence
  • allometric equation
  • carbon concentration
  • carbon storage
  • Pinus densiflora

ASJC Scopus subject areas

  • Forestry
  • Management, Monitoring, Policy and Law

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