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생태계교란식물의 확산 영향 예측에 따른 저감대책 시나리오 선정

Selection of Mitigation Scenarios Based on Prediction of the Dispersion Impact of Ecosystem-Disturbing Plant Species on Ecosystems

  • 이상욱 (고려대학교 환경생태공학과) ;
  • 김윤지 (고려대학교 오정리질리언스센터) ;
  • 정혜인 (고려대학교 오정리질리언스센터) ;
  • 이지연 (고려대학교 환경생태공학과) ;
  • 유영재 (고려대학교 오정리질리언스센터) ;
  • 이관규 (고려대학교 오정리질리언스센터) ;
  • 성현찬 (고려대학교 오정리질리언스센터) ;
  • 전성우 (고려대학교 환경생태공학부)
  • Lee, Sang-Wook (Dept. of Environmental Science & Ecological Engineering, Korea University) ;
  • Kim, Yoon-Ji (Ojeong Resilience Institute, Korea University) ;
  • Chung, Hye-In (Ojeong Resilience Institute, Korea University) ;
  • Lee, Ji-Yeon (Dept. of Environmental Science & Ecological Engineering, Korea University) ;
  • Yoo, Young-Jae (Ojeong Resilience Institute, Korea University) ;
  • Lee, Gwan-Gyu (Ojeong Resilience Institute, Korea University) ;
  • Sung, Hyun-Chan (Ojeong Resilience Institute, Korea University) ;
  • Jeon, Seong-Woo (Division of Environmental Science & Ecological Engineering, Korea University)
  • 투고 : 2024.06.21
  • 심사 : 2024.07.19
  • 발행 : 2024.08.30

초록

Ecosystem-disturbing plant species pose a significant threat to native ecosystems due to their high reproductive capacity, making it essential to monitor their distribution and develop effective mitigation strategies. Consequently, it is crucial to enhance the evaluation of the impacts of these species in environmental impact assessments by incorporating scientific evidence alongside qualitative assessments. This study introduces a dispersal model into the species distribution model to simulate the potential spread of ecosystem-disturbing plant species, reflecting their ecological characteristics. Additionally, we developed mitigation scenarios and quantitatively calculated reduction rates to propose effective mitigation strategies. The species distribution model showed a reliable AUC (Area Under the Curve) of at least 0.890. The dispersal model's results were also credible, with 31 out of 34 validation coordinates falling within the predicted spread range. Simulating the impact of the spread of ecosystem-disturbing plant species over the next five years revealed that one project site had potential habitats for Ambrosia artemisiifolia, necessitating robust mitigation measures such as seed removal. Another project site, with potential habitats for Symphyotrichum pilosum, indicated that physical removal methods within the site were effective due to the species' relatively short dispersal distance. These findings can serve as fundamental data for project executors and reviewers in evaluating the impact of the spread of ecosystem-disturbing plant species during the planning stages of projects.

키워드

과제정보

본 결과물은 환경부의 재원으로 한국환경산업기술원의 ICT기반 환경영향평가 의사결정 지원 기술개발사업의 지원을 받아 연구되었습니다(2020002990009).

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