Korean Journal of Ecology and Environment (생태와환경)

The Korean Society of Limnology (한국수생태학회)
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Occupancy Probability Estimation of Endangered Species Clithon retropictus

멸종위기종인 기수갈고둥의 잠재적 서식지 예측을 위한 점유 확률 추정

  • Park, Woong-Bae (Department of Biological Sciences, Kongju National University) ;
  • Lim, Sung-Ho (Department of Biological Sciences, Kongju National University) ;
  • Won, Doo-Hee (Doohee Institute of Ecological Research, Korea Ecosystem Service Inc.) ;
  • Lee, Kyung-Lak (Water Environmental Engineering Research Division, National Institute of Environmental Research) ;
  • Hong, Cheol (Water Environmental Engineering Research Division, National Institute of Environmental Research) ;
  • Do, Yuno (Department of Biological Sciences, Kongju National University)
  • 박웅배 (공주대학교 자연과학대학) ;
  • 임성호 (공주대학교 자연과학대학) ;
  • 원두희 ((주)생태조사단 부설 두희생태연구소) ;
  • 이경락 (국립환경과학원 물환경공학연구과) ;
  • 홍철 (국립환경과학원 물환경공학연구과) ;
  • 도윤호 (공주대학교 자연과학대학)
  • Received : 2022.03.16
  • Accepted : 2022.03.22
  • Published : 2022.03.31
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Abstract

We attempted to estimate potential habitats of Clithon retropictus and to determine the community structure of benthic macroinvertebrates by presence of C. retropictus. 2016 to 2018 database of "Survey and Assessment of Estuary Ecosystem Health" by the Ministry of Environment were used to identify the distribution site of C. retropictus. The occupancy model was applied to estimate the potential habitat of C. retropictus. Four diversity indices were used to confirm the community structure of benthic macroinvertebrates. C. retropictus was found in the southern coast area and part of the east coast, and this pattern was consistent with previous studies. Additionally, the occupancy model predicted that a potential habitat of C. retropictus could appear in the west coast area. The community structure of benthic macroinvertebrates was relatively high at the site with C. retropictus than the site without C. retropictus. Therefore, the occupancy model can be considered when conserving C. retropictus inhabiting a limited area. Additionally, C. retropictus can be used to the indicator species that can represent the brackish water environment.

기수갈고둥의 잠재적 서식지를 추정하고, 기수갈고둥의 존재 여부에 따라 저서성 거대무척추동물의 군집 구조를 확인하고자 했다. 기수갈고둥의 분포지는 환경부에서 수행 중인 "하구 수생태계 현황 조사 및 건강성 평가" 자료 중 2016년부터 2018년까지의 자료를 이용했다. 점유 모델은 기수갈고둥의 잠재적 서식지를 추정하기 위해 사용되었으며 저서성 거대무척추동물의 군집 구조를 확인하기 위해 4개의 다양성 지수가 사용되었다. 기수갈고둥은 남해안 일대와 동해안 일부 지역에서 발견되었으며, 이러한 양상은 기존 연구와 일치했다. 추가로 점유 모델 적용 결과 기수갈고둥의 잠재적 서식지가 서해안 일부 지역에 나타날 수 있음을 예측했다. 저서성 거대무척추동물의 군집 구조는 기수갈고둥이 채집되지 않은 지역에 비해 기수갈고둥이 채집된 지역에서 상대적으로 높았다. 따라서 제한된 지역에 서식하는 기수갈고둥을 보전할 때 점유 모델을 고려할 수 있으며, 기수갈고둥은 기수환경을 대표할 수 있는 생물로서 지표종으로 활용될 수 있는 것으로 판단된다.

Keywords

Acknowledgement

본 논문은 환경부의 재원으로 국립환경과학원의 지원을 받아 수행하였습니다(NIER-2020-04-02-009).

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