Korean Journal of Ecology and Environment (생태와환경)

The Korean Society of Limnology (한국수생태학회)
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A Study of Improvement on Estimation Methodology of Carbon Storage amount by Damaged Trees for Environmental Impact Assessment

환경영향평가 온실가스 항목 내 훼손수목의 탄소저장량 평가 개선을 위한 제언

  • Heon Mo Jeong (Carbon and Climate Change Research Team, National Institute of Ecology) ;
  • Hae Ran Kim (Environmental Impact Assessment Team, National Institute of Ecology) ;
  • Dukyeop Kim (Carbon and Climate Change Research Team, National Institute of Ecology) ;
  • Inyoung Jang (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) ;
  • 김해란 (국립생태원 환경영향평가팀) ;
  • 김덕엽 (국립생태원 기후탄소연구팀) ;
  • 장인영 (국립생태원 기후탄소연구팀) ;
  • 강성룡 (국립생태원 기후탄소연구팀)
  • Received : 2022.11.29
  • Accepted : 2022.12.21
  • Published : 2022.12.31
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Abstract

We deduced the proper estimation methodology for the amount of carbon sequestration by damaged trees for Environmental Impact Assessment (EIA). The nine development projects related to renewable energy, damaged trees occur, assessment status and used method of evaluating the carbon storage of damaged trees were summarized. And after re-calculating the carbon storage of damaged trees through allometric equations, the difference between the two groups, re-calculated the damaged trees carbon storage and the damaged trees carbon storage in the report, was validated. As a result, damaged trees carbon storage in words was more than the re-calculated damaged trees carbon storage, and it was statistically significant (p<0.005). This result means that the existing method for calculating damaged tree carbon storage is overcalculated. It was judged that it was necessary to improve the calculation method. Therefore, allometric equations suitable for each dominated-tree species should be used when calculating the damaged tree carbon storage. Furthermore, we propose to establish a carbon storage calculation system based on actual data from the ecosystem so that researchers can efficiently and accurately the damaged trees carbon storage.

이 연구는 환경영향평가 개발사업 시 발생하는 훼손수목 탄소저장량의 적합한 산정방법에 대해 논의하고자 수행되었다. 이를 위해, 훼손수목이 발생하는 재생에너지 관련 개발사업 9개를 선정하여 훼손수목 탄소저장량의 평가현황 및 방법을 정리하였다. 그리고 상대생장식을 활용하여 훼손수목 탄소저장량을 재산정 한 후 보고서의 훼손수목 탄소저장량과 비교하여 두 집단 간 차이를 검증하였다. 그 결과 개발사업의 보고서의 훼손수목 탄소저장량은 재산정 탄소저장량 보다 큰 것으로 나타났고 통계적으로 유의성이 있었다(p<0.005). 이는 기존의 훼손수목 탄소저장량 산정이 과다 산정되고 있음을 나타내며 산정 방법의 개선이 필요한 것으로 판단된다. 따라서 훼손수목의 탄소저장량 산정 시 우리나라 산림의 우점 수종에 적합한 상대생 장식을 사용해야 한다. 더 나아가, 사용자들이 효율적이고 정확하게 훼손수목 탄소저장량을 산정할 수 있도록 생태계의 실측 데이터에 기반한 탄소저장량 산정 시스템을 구축하여 사용할 것을 제안한다.

Keywords

Acknowledgement

본 논문은 국립생태원의 "생태계 부분 탄소저장량 및 거동산정 현황 분석 연구 (NIE-고유연구-2022-16)"에 의해 지원되었습니다.

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