Korean Journal of Environment and Ecology (한국환경생태학회지)

Korean Society of Environment and Ecology (한국환경생태학회)
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Social Relations between Individuals Based on Courtship and Attack Behaviors of Reeves' Turtle (Mauremys reevesii) in Captivity

사육 상태의 남생이(Mauremys reevesii)의 구애와 공격적 행동에 따른 개체 간 사회적 관계

  • Ji-Won Kim (Dept. of Biological of Sciences and Biotechnology, Chonnam National University) ;
  • Hee-jin Kang (Dept. of Biological of Sciences and Biotechnology, Chonnam National University) ;
  • Seung-Min Park (Dept. of Biological of Sciences and Biotechnology, Chonnam National University) ;
  • Jae-Hyeok Choi (Dept. of Biological of Sciences and Biotechnology, Chonnam National University) ;
  • Du-Kang Jang (Wolchulsan National Park) ;
  • Seong-Ik Jo (Wolchulsan National Park) ;
  • Ha-Cheol Sung (Dept. of Biological Sciences, Chonnam National University)
  • 김지원 (전남대학교 생물과학.생명기술학과) ;
  • 강희진 (전남대학교 생물과학.생명기술학과) ;
  • 박승민 (전남대학교 생물과학.생명기술학과 ) ;
  • 최재혁 (전남대학교 생물과학.생명기술학과 ) ;
  • 장두강 (국립공원공단 월출산국립공원사무소 자원보전과 ) ;
  • 조성익 (국립공원공단 월출산국립공원사무소 자원보전과 ) ;
  • 성하철 (전남대학교 생물학과 )
  • Received : 2022.07.13
  • Accepted : 2022.12.07
  • Published : 2023.02.28
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Abstract

This study aimed to understand social interactions by observing the courtship and attack behavior between individuals of 15 (6 females and 9 males) Reeves' turtle (Mauremys reevesii) in captivity in the Wolchulsan National Park. CCTV was installed in the study area from May 18, 2020 to October 19, 2020 and recorded 3 days a week (24 hours/day) for a total of 64 days and analyzed at intervals of 10 minutes per hour. Male turtle courtship was observed 884 times in total, with the heaviest females receiving the highest courtship frequency (357 times) and the smallest females receiving the least courtship (3 times). Of a total of observed 259 aggressive behaviors, 30 were for female to female, 81 for male to male, and 148 for female to male. Dominance hierarchy identified based on the result ranked females higher overall than males, and the larger the body, the higher the ranking. This study was the first in Korea to confirm individuals with high probability of reproduction through the frequency of courtship in the Reeves' turtle and investigate dominance hierarchy according to attack behavior. Our results can be used as reference behavioral data for managing and protecting the endangered Reeves' turtles and will help us understand their social structure.

월출산국립공원 내에 위치한 남생이(Mauremys reevesii) 대체서식지에서 사육 중인 남생이 15개체(암컷 6, 수컷 9)를 대상으로 개체 간 구애와 공격 행동을 관찰하여 사회적 상호작용을 알아보고자 하였다. 이를 위하여 2020년 5월 18일부터 2020년 10월 19일까지 연구지역에 CCTV를 설치하여 매주 3일(24시간/일), 총 64일 동안 녹화하였고 시간 당 10분 간격으로 분석하였다. 남생이의 구애행동은 총 884회 관찰되었고 수컷은 체중이 가장 가벼운 암컷(3회)보다 가장 무거운 암컷(357회)에게 더 많은 빈도의 구애행동을 하였다. 남생이의 공격행동은 총 259회 관찰되었으며 암컷-암컷 간 30회, 수컷-수컷은 81회, 암컷-수컷은 148회 관찰되었다. 이를 바탕으로 파악한 우열관계는 전반적으로 암컷이 수컷보다 더 높게 나타났으며, 몸 크기가 클수록 순위가 높게 나타났다. 본 연구는 국내 최초로 남생이의 구애행동 빈도를 통해 번식가능성이 높은 개체를 확인하고 공격 행동에 따른 우열관계를 파악하였다. 연구결과는 멸종위기에 처한 남생이의 관리 및 보전을 위한 행동학적 기초 자료로 활용될 수 있으며, 남생이의 사회구조를 이해하는 데 도움이 될 것이다.

Keywords

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