Journal of Wetlands Research (한국습지학회지)

Korean Wetlands Society (한국습지학회)
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Comparison Study of the Snout-vent Length (SVL) and the Biomass for the Climate Change Sensitive Species, Narrow-mouthed Toads (Kaloula borealis, Endangered Species II), at the three different areas (Seoul, Nonsan, Busan) of South Korea

남한의 세지역(서울·논산·부산)에서 기후변화 민감종인 맹꽁이(Kaloula borealis, 멸종위기 야생동물 II급)의 체장길이 및 몸무게 차이 비교 연구

  • An, Chi-Kyung (LOGIN) ;
  • Hong, Sung-Gu (Department of Bio-environmental Technology, Graduate School of Seoul Women's University) ;
  • Na, Sumi (Department of Bio-environmental Technology, Graduate School of Seoul Women's University) ;
  • Doh, Jiseon (Department of Bio-environmental Technology, Graduate School of Seoul Women's University) ;
  • Oh, Ki Cheol (Nakdong River Basin Environmental Office) ;
  • Yi, Hoonbok (Department of Bio-environmental Technology, Graduate School of Seoul Women's University)
  • 안치경 (주식회사 녹인) ;
  • 홍성구 (서울여자대학교 대학원 생명환경공학과) ;
  • 나수미 (서울여자대학교 대학원 생명환경공학과) ;
  • 도지선 (서울여자대학교 대학원 생명환경공학과) ;
  • 오기철 (낙동강유역환경청) ;
  • 이훈복 (서울여자대학교 대학원 생명환경공학과)
  • Received : 2019.12.05
  • Accepted : 2020.02.17
  • Published : 2020.02.29
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Abstract

This study was carried out to compare the Snout-vent length (SVL) and the biomass for the endangered species II, narrow-mouthed toad (Kaloula borealis), at the three different latitude sites (Seoul, Nonsan, Busan) in Korea. For the narrow-mouthed toad study, pitfall traps and inducement traps were used to catch the species, and environmental factors (temperature, precipitation, humidity) were compared by region. As a result of this study, each of the male narrow-mouthed toads' SVL and biomass in Busan was 41.6±0.39mm, and 11.3±0.17g, which showed that it was the biggest and heaviest among the three regions. For Seoul and Nonsan, each of the SVL of the female narrow-mouthed toad was 36.6±2.03mm, 36.6±1.76mm, and the biomass was 8.1±0.55g, 8.2±0.91g, which showed that there was no significant difference between Seoul and Nonsan. Each of the female narrow-mouthed frogs' SVL and biomass in Busan was 44.7±0.35mm, 13.1±0.18g, which was also biggest but showed no significant difference in biomass by region. Concluding, this showed that the female narrow-mouthed toad in Busan is larger and heavier than those of other regions. We hope this study will be a standard for the future amphibian research with comparing the SVL and biomass for the endangered species II, narrow-mouthed toad. It is expected that if this kind of study keeps for long, it will be a basis for understanding changes in biomass of amphibian species due to climate change.

본 연구는 기후변화 민감종의 하나인 멸종위기야생동물II급, 맹꽁이(Kaloula borealis)의 생체량이 위도가 다른 세 지역(서울, 논산, 부산)에서 어떠한 차이를 보이는 지를 알아보기 위해 수행되었다. 맹꽁이 포획을 위해서 함정트랩(pitfall traps)과 유도트랩(inducement traps)을 이용하였으며, 각 서식지별 환경조건(온도, 강수량, 습도)을 파악하여 지역별로 비교하였다. 조사결과, 맹꽁이 수컷의 경우, 부산지역 개체의 크기가 41.6±0.39mm, 생체량이 11.3±0.17g으로 가장 크고 무거운 것으로 확인되었으며, 서울과 논산의 경우 크기가 각각 36.6±2.03mm, 36.6±1.76mm, 생체량은 각각 8.1±0.55g, 8.2±0.91g으로 통계적으로 큰 차이를 보이지 않았다. 맹꽁이 암컷의 경우, 부산 개체의 크기는 44.7±0.35mm, 생체량이 13.1±0.18g으로 긴 것으로 조사되었으나, 중량은 지역별 차이가 크지 않았다. 결과적으로 부산에 서식하는 맹꽁이의 암·수 모두 다른 지역의 개체들의 크기와 생체량이 더 큰 것으로 나타났다. 본 논문은 현재 기후상태의 기준이 되어 종복원에 대한 연구 수행 시 중요한 자료로 이용 될 수 있을 것으로 보이며, 장기적으로 조사가 진행된다면, 기후변화에 따른 양서류 무미목의 생체량 변화를 파악할 수 있는 기반이 될 수 있을 것으로 기대된다.

Keywords

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