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Selecting Core Areas for Conserving Riparian Habitat Using Habitat Suitability Assessment for Eurasian Otter

서식지 적합성 평가를 이용한 수변지역 핵심 보전지역 선정 - 수달을 대상으로 -

  • Jeong, Seunggyu (Research Institute of Agriculture and Life Sciences, Seoul National University) ;
  • Park, Chong Hwa (Graduate School of Environmental Studies, Seoul National University) ;
  • Woo, Donggul (Department of Ecosystem Conservation Research, National Institute of Ecology) ;
  • Lee, Dong Kun (Department of Landscape Architecture and Rural System Engineering, CALS, Seoul National University) ;
  • Seo, Changwan (Department of Climate & Ecology, National Institute of Ecology) ;
  • Kim, Ho Gul (Interdisciplinary Program in Landscape Architecture, Seoul National University)
  • 정승규 (서울대학교 농업생명과학연구원) ;
  • 박종화 (서울대학교 환경대학원) ;
  • 우동걸 (국립생태원 생태보전연구부) ;
  • 이동근 (서울대학교 조경지역시스템공학부) ;
  • 서창완 (국립생태원 기후생태연구실) ;
  • 김호걸 (서울대학교 협동과정조경학과)
  • Received : 2015.02.13
  • Accepted : 2015.04.29
  • Published : 2015.04.30

Abstract

In Korea, significant riparian areas have been developed due to river maintenance projects. Introduction of new riparian facilities can negatively affect wildlife in the riparian areas. This study focuses on selecting core conservation areas for Eurasian Otter(Lutra lutra) to support decision making process for development of riparian areas. For the study, first of all, field data of study site were collected by field surveys. Secondly, stream naturalness was assessed to understand physical environments of the study sites. Thirdly, habitat suitability was assessed using occurrence data of Eurasian Otter and environmental data. Lastly, core areas for conservation was selected by comparing and synthesizing stream naturalness map and habitat suitability map. The selected core areas showed several characteristics. The number of artificial facilities is low in the core areas. Rocks which are preferred by Eurasian Otter to eat and excrete are plentiful in the core areas. Also, the ratio of adjacent farmland is high. Based on the analyses, it is expected that this study can contribute to decision making process for environmental spatial plans to better conserve habitats of Eurasian Otter.

Keywords

Species distribution model;Logistic regression model;Stream naturalness assessment;Riparian habitat;River corridor survey

Acknowledgement

Supported by : 환경부, 산림청

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