Korean Journal of Ecology and Environment (생태와환경)

The Korean Society of Limnology (한국수생태학회)
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The Population Trend and Management for Conservation in Myotis formosus

멸종위기종 붉은박쥐의 개체군 경향과 보호 관리 - 동면처의 장기 모니터링 결과를 중심으로

  • Kim, Sun-Sook (Division of Basic Research, Bureau of Ecological Research, National Institute of Ecology) ;
  • Choi, Yu-Seong (Animal Resources Division, National Institute of Biological Resources)
  • 김선숙 (국립생태원 생태기반연구실) ;
  • 최유성 (국립생물자원관 동물자원과)
  • Received : 2017.11.08
  • Accepted : 2017.12.12
  • Published : 2017.12.31
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Abstract

Understanding the need for temperature regulation, behavior, and ecology of hibernating bats provides the possibility of conservation and management for target species. Our objective in this study was to improve understanding of the population trend and ecological requirement in Myotis formosus population in South Korea. From 2007 to 2016, total of 58 hibernacula for Myotis formosus were found across the country. Of the 58 hibernating sites of Myotis formosus, 86% (n=49) were abandoned mines and 14% (n=8) were natural caves. During the survey period, 28 (5%) bats of total 570 bats were observed in natural caves (n=8) and 542 (95%) bats were observed in abandoned mines (n=49). The internal environments of hibernacula of M. formosus were highly stable despite dramatic variation in the external environment. Specifically, we examined the population trend of the endangered bat Myotis formosus in South Korea by long-term monitoring for hibernation sites. The population trend of endangered species M. formosus showed a marked stable in hibernating population. Our results indicate that a tightly collected long-term data set may help to establish the initial approximation of population trends and manage to threats for the endangered bat species.

온대지역에서 동면박쥐에 대한 분포와 생태정보는 대상 종의 보전 및 서식지 보호 관리의 효율성을 높인다. 본 연구에서 멸종위기종인 붉은박쥐 개체군 경향 분석과 생태적 요구 조건을 파악하여 보호 관리 방안을 제시하고자 하였다. 2007년부터 2016년까지 조사를 수행한 결과, 전국 58개의 동면처에서 붉은박쥐 570개체가 확인되었다. 붉은박쥐가 이용한 동면처의 유형은 자연동굴에 비해 폐광산이 많았으며, 폐광산에서 보다 더 많은 붉은박쥐 개체가 동면하는 것이 확인되었다. 붉은박쥐의 동면처는 평균 $12.13{\sim}15.07^{\circ}C$의 온도와 92% 이상의 습도가 동면기간 동안 안정되게 유지되었다. 장기적인 모니터링 자료를 바탕으로 멸종위기종인 붉은박쥐의 개체군의 변화를 평가하기 위하여 TRIM을 이용하여 분석한 결과, 붉은박쥐 개체군의 변화는 안정적인 것으로 평가되었다. 그럼에도 불구하고 일부 동면처 사례를 통하여 동면처의 구조 및 환경 변화로 인한 붉은박쥐 개체수가 급감되는 사실을 확인하였다. 본 연구는 장기 모니터링 결과에 근거한 개체군 경향분석 결과와 현장 사례를 분석을 통하여 멸종위기종인 붉은박쥐의 보전 및 서식지 보호 관리 방향을 제시한다. 따라서 멸종위기종인 붉은박쥐의 서식지 보호 관리 방안은 방향은 종의 온도 선호도 및 서식지 환경이 변화되지 않도록 유지하는 것과 서식지 내 인위적인 간섭요인을 차단하는 것은 중요 사항이 될 것이다.

Keywords

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