Journal of the Korean Society of Environmental Restoration Technology (한국환경복원기술학회지)

The Korea Society of Environmental Restoration Technology (한국환경복원기술학회)
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Analysis of Suitable Breeding Sites for Endangered species Black-faced Spoonbill(Platalea minor) using spatial data

공간자료를 활용한 멸종위기종 저어새(Platalea minor)의 적합 번식지 분석 연구

  • Jung, Jin-Woo (Research Center for Endangered Species, National Institute of Ecology) ;
  • Kim, Sunryoung (Research Center for Endangered Species, National Institute of Ecology) ;
  • Yoon, Young-Jun (Research Center for Endangered Species, National Institute of Ecology) ;
  • Tho, Jae-Hwa (Research Center for Endangered Species, National Institute of Ecology) ;
  • Han, Yeong-Deok (Research Center for Endangered Species, National Institute of Ecology) ;
  • Jang, Rae-Ha (Research Center for Endangered Species, National Institute of Ecology)
  • 정진우 (국립생태원 멸종위기종복원센터 ) ;
  • 김선령 (국립생태원 멸종위기종복원센터 ) ;
  • 윤영준 (국립생태원 멸종위기종복원센터 ) ;
  • 도재화 (국립생태원 멸종위기종복원센터 ) ;
  • 한영덕 (국립생태원 멸종위기종복원센터 ) ;
  • 장래하 (국립생태원 멸종위기종복원센터 )
  • Received : 2023.10.26
  • Accepted : 2023.12.15
  • Published : 2023.12.30
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Abstract

This study analyzed potential breeding sites for black-faced spoonbills on 70 non-breeding, uninhabited islands in Incheon, Korea, in order to suggest potential breeding sites for black-faced spoonbills, whose breeding population has recently been increasing. By comparing the environmental characteristics of breeding and non-breeding areas identified through a literature search, we developed a discriminant to identify potential breeding areas for black-faced spoonbills. Among a total of eight environmental variables(Island area, distance from land, distance to mudflat, distance to rice field, distance to sea route, depth of water, mudflat area, rice field area), the variables that influenced the selection of breeding sites for black-faced spoonbills were average water depth, tidal flat area, and paddy field area. As a result of discriminant analysis of breeding islands using these variables, the accuracy was found to be quite high at 80%. As a result of applying the developed discriminant to non-breeding islands located in the Incheon region, a total of 9 islands(Yongrando, Goseokdo, Beolyeom, Joreumseom, Goeriseom, Hambakdo, Moido, Bigajido, Ahyeom) were identified as potential breeding grounds for spoonbills. The research results can be used as basic data for future management of black-faced spoonbill breeding sites and selection of alternative habitats.

Keywords

Acknowledgement

본 연구는 환경부의 재원으로 국립생태원의 지원을 받아 수행하였습니다(NIE-B-2023-34).

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