Journal of Environmental Impact Assessment (환경영향평가)

Korean Society of Environmental Impact Assessment (한국환경영향평가학회)
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Development of a Habitat Suitability Index for Vulpes vulpes

여우(Vulpes vulpes)의 서식지 적합성 지수(HSI) 모델 개발

  • Ou, Yeokyung (Interdisciplinary Program of EcoCreative, Ewha Womans University) ;
  • Lee, Sangdon (Department of Environmental Science and Engineering, Ewha Womans University)
  • 어여경 (이화여자대학교 에코크리에이티브) ;
  • 이상돈 (이화여자대학교 환경공학과)
  • Received : 2022.06.28
  • Accepted : 2022.08.18
  • Published : 2022.08.31
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Abstract

With the implementation of the fox restoration project, the number of foxes released into nature are increasing; therefore, in the future, foxes will be dispersed to other areas and will appear in human habitats. In this study, the habitat suitability index (HSI) of foxes was developed to predict and prepare for the effects. After extracting major environmental variables through literature research and GIS analysis, 5 suitability indices (SIs) were constructed. The forest physiognomy, slope, aspect, distance from water source, and distance from road are the main variables, and the arithmetic average value by giving twice the weight to the forest physiognomy is the HSI result. As a result of comparing with the data from the Natural Environment Survey, it is found that the fox coordinates have an average HSI value of 0.64, and the probability of appearance is high when it is 0.53 or higher. Using the results of this study, it is expected to be able to predict the distribution of foxes in advance, to use them as basic data for future restoration plans, or to identify the distribution of the species and the reduction plan in future environmental impact assessments.

여우 복원 사업이 시행됨에 따라 자연에 방사된 여우의 개체수가 증가하고 있어 앞으로는 여우 개체들이 다른 지역으로 분산되어 인간 생활 지역에서도 출몰할 것이다. 본 연구에서는 이에 따른 영향을 예측하고 대비하고자 여우의 서식지 적합성 지수(HSI)를 개발하였다. 문헌 조사를 통하여 주요 환경 변수를 추출한 뒤, GIS를 이용해 분석한 결과, 총 5가지의 적합 지수(Suitability Index, SI)를 구축하였다. 임상과 경사, 향, 수계 및 도로로부터의 거리가 주요 변수이며, 임상도에 2배의 가중치를 주어 산술 평균한 값이 HSI 결과이다. 전국자연환경조사 자료와 비교한 결과, 여우 좌표들이 평균 0.64의 HSI의 값을 가지는 것으로 나타나며, 0.53 이상일 때에 출현 확률이 높은 것으로 보인다. 본 연구 결과를 활용하여 여우의 분포를 사전에 예측하여 앞으로의 복원 계획의 기초 자료로 사용하거나 추후 환경영향평가 시 분포 파악 및 저감 방안 마련에 도움이 될 것으로 기대한다.

Keywords

Acknowledgement

본 결과물은 한국환경산업기술원(2021003360002, 2020002990006), 서울녹색환경지원센터(SGEC-2022) 및 한국연구재단(NRF-2021R1A2C1011213) 지원으로 연구되었습니다.

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