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폐탄광 산림복구지 관리방안 도출을 위한 산림복구 후 시간경과에 따른 임분탄소저장량 평가

Assessment of Carbon Storage Capacity of Stands in Abandoned Coal Mine Forest Rehabilitation Areas over time for its Development of Management Strategy

  • 정문호 (한국광해광업공단 해외협력처) ;
  • 박관인 (한국광해광업공단 기술개발처) ;
  • 김지혜 (한국광해광업공단 기술개발처) ;
  • 지원현 (호서대학교 창의교양학부)
  • Mun Ho Jung (Department of International Cooperation, Korea Mine Rehabilitation and Mineral Resources Corporation) ;
  • Kwan In Park (Department of Technology Development. Korea Mine Rehabilitation and Mineral Resources Corporation) ;
  • Ji Hye Kim (Department of Technology Development. Korea Mine Rehabilitation and Mineral Resources Corporation) ;
  • Won Hyun Ji (Department of General Education for Human Creativity, Hoseo University)
  • 투고 : 2023.02.03
  • 심사 : 2023.03.28
  • 발행 : 2023.04.30

초록

The objective of this study was to develop a management strategy for the recovery of carbon storage capacity of abandoned coal mine forest rehabilitation area. For the purpose, the biomass and stand carbon storage over time after the forest rehabilitation by tree type for Betula platyphylla, Pinus densiflora, and Alnus hirsuta trees which are major tree species widely planted for the forest rehabilitation in the abandoned coal mine were calculated, and compared them with general forest. The carbon storage in abandoned coal mine forest rehabilitation areas was lower than that in general forests, and based on tree species, Pinus densiflora stored 48.9%, Alnus hirsuta 41.1%, and Betula platyphylla 27.0%. This low carbon storage is thought to be caused by poor growth because soil chemical properties, such as low TOC and total nitrogen content, in the soil of abandoned coal mine forest rehabilitation areas, were adverse to vegetation growth compared to those in general forests. DBH, stand biomass, and stand carbon storage tended to increase after forest rehabilitation over time, whereas stand density decreased. Stand' biomass and carbon storage increased as DBH and stand density increased, but there was a negative correlation between stand density and DBH. Therefore, after forest rehabilitation, growth status should be monitored, an appropriate growth space for trees should be maintained by thinning and pruning, and the soil chemical properties such as fertilization must be managed. It is expected that the carbon storage capacity the forest rehabilitation area could be restored to a level similar to that of general forests.

키워드

과제정보

본 논문은 2020년도 한국광해광업공단의 기술개발사업 '기후변화 대응 산림복구지 탄소저장량 평가 및 적합 수종 DB 구축' 과제의 지원에 의한 연구임을 밝힙니다.

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