Korean Journal of Ecology and Environment (생태와환경)

The Korean Society of Limnology (한국수생태학회)
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The Carbon Stock Change of Vegetation and Soil in the Forest Due to Forestry Projects

산림 사업에 의한 산림 식생 및 토양 탄소 변화

  • Heon Mo Jeong (Carbon and Climate Change Research Team, National Institute of Ecology) ;
  • Inyoung Jang (Carbon and Climate Change Research Team, National Institute of Ecology) ;
  • Sanghak Han (Carbon and Climate Change Research Team, National Institute of Ecology) ;
  • Soyeon Cho (Carbon and Climate Change Research Team, National Institute of Ecology) ;
  • Chul-Hyun Choi (Carbon and Climate Change Research Team, National Institute of Ecology) ;
  • Yeon Ji Lee (Carbon and Climate Change Research Team, National Institute of Ecology) ;
  • Sung-Ryong Kang (Carbon and Climate Change Research Team, National Institute of Ecology)
  • 정헌모 (국립생태원 기후탄소연구팀) ;
  • 장인영 (국립생태원 기후탄소연구팀) ;
  • 한상학 (국립생태원 기후탄소연구팀) ;
  • 조소연 (국립생태원 기후탄소연구팀) ;
  • 최철현 (국립생태원 기후탄소연구팀) ;
  • 이연지 (국립생태원 기후탄소연구팀) ;
  • 강성룡 (국립생태원 기후탄소연구팀)
  • Received : 2023.10.04
  • Accepted : 2023.12.04
  • Published : 2023.12.31
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Abstract

To investigate the impact of forestry projects on the carbon stocks of forests, we estimated the carbon stock change of above-ground and soil before and after forestry projects using forest type maps, forestry project information, and soil information. First, we selected six map sheet with large areas and declining age class based on forest type map information. Then, we collected data such as forest type maps, growth coefficients, soil organic matter content, and soil bulk density of the estimated areas to calculate forest carbon storage. As a result, forest carbon stocks decreased by about 34.1~70.0% after forestry projects at all sites. In addition, compared to reference studies, domestic forest soils store less carbon than the above-ground, so it is judged that domestic forest soils have great potential to store more carbon and strategies to increase carbon storage are needed. It was estimated that the amount of carbon stored before forestry projects is about 1.5 times more than after forestry projects. The study estimated that it takes about 27 years for forests to recover to their pre-thinning carbon stocks following forestry projects. Since it takes a long time for forests to recover to their original carbon stocks once their carbon stocks are reduced by physical damage, it is necessary to plan to preserve them as much as possible, especially for highly conservative forests, so that they can maintain their carbon storage function.

산림 사업이 산림의 탄소저장량에 미치는 영향을 알아보기 위하여 임상도, 산림사업 정보 및 토양 정보 등을 활용하여 산림 사업 전후의 지상부 및 토양의 탄소저장량을 산정하고 그 변화를 분석하고자 하였다. 먼저 임상도 정보에 기초하여 면적이 넓고 영급이 감소하는 도엽 6곳을 선정하였다. 그리고 임상도와 생장계수, 산정 지역의 토양유기물함량, 토양용적밀도 등 데이터를 수집하여 산림 탄소저장량을 산정하였다. 그 결과 모든 곳에서 산림 탄소저장량은 산림사업 후 약 34.1~70.0%가 감소하였다. 그리고 기존 연구와 비교했을 때 국내 산림 토양은 지상부에 비해 더 적은 탄소를 저장하고 있어 우리나라의 산림 토양은 더 많은 탄소를 저장할 수 있는 잠재성이 큰 것으로 판단되며 탄소저장량 증대를 위한 전략이 필요할 것으로 판단되었다. 산림사업이 없을 때 있을 때보다 탄소저장량은 약 1.5배 많은 것으로 추정되었다. 그리고 본 연구에서 산림사업에 따라 간벌 전 산림 탄소저장량으로 회복되기까지 약 27년이 걸리는 것으로 추정되었다. 산림은 물리적 훼손에 의해 탄소저장량이 감소하면 원래의 탄소저장량으로 회복되기까지 오랜 시간이 걸리므로 특히 자연성이 높은 산림은 최대한 보전하는 계획을 수립하여 산림의 탄소저장 기능을 유지할 수 있도록 하여야 할 것이다.

Keywords

Acknowledgement

본 논문은 국립생태원의 "생태계 유형별 탄소저장량 및 거동 산정 연구(NIE-고유연구-2023-16)"에 의해 지원되었습니다.

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