Korean Journal of Environment and Ecology (한국환경생태학회지)

Korean Society of Environment and Ecology (한국환경생태학회)
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Distribution and Potential Suitable Habitats of an Endemic Plant, Sophora koreensis in Korea

MaxEnt 분석을 통한 한반도 특산식물 개느삼 서식 가능지역 분석

  • An, Jong-Bin (DMZ Botanic Garden, Korea National Arboretum) ;
  • Sung, Chan Yong (Dept. of Urban Engineering, Hanbat National Univ.) ;
  • Moon, Ae-Ra (Division of Plant Resources, Korea National Arboretum) ;
  • Kim, Sodam (Division of Plant Resources, Korea National Arboretum) ;
  • Jung, Ji-Young (Division of Plant Resources, Korea National Arboretum) ;
  • Son, Sungwon (Division of Plant Resources, Korea National Arboretum) ;
  • Shin, Hyun-Tak (DMZ Botanic Garden, Korea National Arboretum) ;
  • Park, Wan-Geun (Division of Forest Science, Kangwon National University)
  • 안종빈 (국립수목원 DMZ산림생물자원보전과) ;
  • 성찬용 (한밭대학교 도시공학과) ;
  • 문애라 (국립수목원 식물자원연구과) ;
  • 김소담 (국립수목원 식물자원연구과) ;
  • 정지영 (국립수목원 식물자원연구과) ;
  • 손성원 (국립수목원 식물자원연구과) ;
  • 신현탁 (국립수목원 DMZ산림생물자원보전과) ;
  • 박완근 (강원대학교 산림과학부 산림자원학전공)
  • Received : 2020.08.06
  • Accepted : 2021.04.01
  • Published : 2021.04.28
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Abstract

This study was carried out to present the habitat distribution status and the habitat distribution prediction of Sophora koreensis, which is the Korean Endemic Plant included in the EN (Endangered) class of the IUCN Red List. The habit distribution survey of Sophora koreensis confirmed 19 habitats in Gangwon Province, including 13 habitats in Yanggu-gun, 3 habitats in Inje-gun, 2 habitats in Chuncheon-si, and 1 habitat in Hongcheon-gun. The northernmost habitat of Sophora koreensis in Korea was in Imdang-ri, Yanggu-gun; the easternmost habitat in Hangye-ri, Inje-gun; the westernmost habitat in Jinae-ri, Chuncheon-si; and the southernmost habitat in Sungdong-ri, Hongcheon-gun. The altitude of the Sophora koreensis habitats ranged from 169 to 711 m, with an average altitude of 375m. The area of the habitats was 8,000-734,000 m2, with an average area of 202,789 m2. Most habitats were the managed forests, such as thinning and pruning forests. The MaxEnt program analysis for the potential habitat of Sophora koreensis showed the AUC value of 0.9762. The predictive habitat distribution was Yanggu-gun, Inje-gun, Hwacheon-gun, and Chuncheon-si in Gangwon Province. The variables that influence the prediction of the habitat distribution were the annual precipitation, soil carbon content, and maximum monthly temperature. This study confirmed that habitats of Sophora koreensis were mostly found in the ridge area with rich light intensity. They can be used as basic data for the designation of protected areas of Sophora koreensis habitat.

본 연구는 한국 특산식물이고, IUCN Red List의 EN(위기종) 등급에 속하는 개느삼을 대상으로 자생지 분포, 자생지 분포 예측을 하기 위해 수행되었다. 개느삼의 자생지 분포 조사 결과,강원도 양구군 13곳, 인제군 3곳, 춘천시 2곳, 홍천군 1곳 총 19곳에 분포하는 것을 확인하였다. 우리나라에서 가장 북쪽 자생지는 양구군 임당리, 동쪽 인제군 한계리, 서쪽 춘천시 지내리, 남쪽 홍천군 성동리로 각각 확인되었다. 개느삼 자생지의 해발고도는 169-711m에 분포하는 것으로 나타났고, 평균 해발고도는 375m로 조사되었다. 개느삼 자생지의 면적은 8,000-734,000m2인 것으로 분석되었고, 평균 202,789m2로 조사되었다. 대부분의 개느삼 자생지는 간벌, 가지치기 등과 같은 숲가꾸기가 이루어진 곳으로 조사되었다. 개느삼 잠재 분포지 분석을 MaxEnt 프로그램을 이용하여 수행한 결과, AUC값은 0.9762로 분석되었다. 분포예측 자생지는 강원도 양구군, 인제군, 춘천시, 화천군 지역에 집중되어 분포하는 것으로 나타났다. 자생지 분포예측에 가장 영향을 많이 미치는 변수는 연간강수량, 토양탄소함유량, 최한월 기온으로 분석되었다. 본 연구 결과를 토대로 개느삼은 광량이 풍부하고 능선부에 주로 서식하는 것을 확인하였고, 향후 본 연구결과의 자생지 정보를 토대로 개느삼 자생지를 보전하기 위한 보호지역 지정 등을 위한 기초자료로 활용될 수 있을 것으로 판단된다.

Keywords

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