Korean Journal of Ichthyology (한국어류학회지)

The Ichthyological Society of Korea (한국어류학회)
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Distribution Status and Threatened Assessment of Endangered Species, Pungitius sinensis (Pisces: Gasterosteidae) in Korea

멸종위기어류 가시고기 Pungitius sinensis (Pisces: Gasterosteidae)의 분포현황 및 멸종위협 등급 평가

  • 고명훈 (이화여자대학교 에코과학부)
  • Received : 2016.06.02
  • Accepted : 2016.08.23
  • Published : 2016.09.30
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Abstract

Distribution status and threatened assessment of endangered species, Pungitius sinensis (Pisces: Gasterosteidae), were investigated from March to October 2015 in Gangwon-do and Gyeongsangbuk-do etc., Korea. During the study period, a total of 854 individual P. sinensis were collected from 21 of 71 sampling stations using skimming nets. P. sinensis appeared in 23 streams during the past 30 years. However, it was only collected in 12 streams. Therefore, its habitats and populations were drastically reduced. The preferred habitat of P. sinensis was pool of the lower stream with lots of aquatic plants. Given these evidences of small occupying areas ($84km^2$) and drastic reduction in its habitats and populations, P. sinensis is considered as an endangered (EN) [B2ab(ii,iii,iv,v)] species based on IUCN Red List categories and criteria.

우리나라 멸종위기어류 가시고기 Pungitius sinensis의 분포 양상 및 멸종위협 등급을 평가하기 위하여 2015년 3월부터 10월까지 강원도와 경상북도 등에서 정밀조사를 실시하였다. 조사 결과 71개 조사지점 중 21개 하천 (지점)에서 854개체가 채집되었다. 과거 30여 년 동안 가시고기는 23개 하천에서 서식이 확인되었으나 이 지점들에 대한 본 조사 결과 12개 하천에서만 서식이 확인되는 등 서식지 및 개체수가 급격히 감소하였다. 가시고기의 서식지 특징은 하천 하류의 소 (pool)가 형성되고 수생식물이 많이 서식하는 곳이었다. IUCN 적색목록 기준지침서에 따라 멸종위협 등급을 평가하면, 서식지 및 개체수의 급격한 감소와 작은 점유 면적 ($84km^2$) 등으로 위기 (EN)[B2ab(ii,iii,iv,v)]로 평가되었다.

Keywords

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