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서울시 고덕지구에 서식하는 맹꽁이(Kaloula borealis)의 성비 및 성별에 따른 형태 차이에 관한 연구
A Study on the Sex Ratio and Morphological Differences Between the Sexes of Narrow-mouthed Toad (Kaloula borealis) Inhabiting the Godeok District in Seoul 원문보기

한국습지학회지 = Journal of wetlands research, v.26 no.1, 2024년, pp.32 - 40  

김일남 (인천대학교 대학원 생명과학과) ,  이상철 (생물자원환경연구소) ,  도민석 (국립생물자원관) ,  김종명 ((주)아우룸생태연구소) ,  권은호 ((주)아우룸생태연구소) ,  배양섭 (생물자원환경연구소)

초록
AI-Helper 아이콘AI-Helper

본 연구의 목적은 함정트랩으로 포획된 맹꽁이 개체들의 형태적 특성을 분석하여 맹꽁이의 기초적인 정보를 수집하는 것이다. 연구 대상지는 서울특별시 강동구 고덕동 일대로, 이곳에 서식하는 맹꽁이를 대상으로 2016년 7월부터 2020년 11월까지 총 4년간 포획함정(pitfall trap)을 이용하여 총 1,063개체를 포획하였다. 맹꽁이는 길이(SVL)를 통하여 성체와 미성숙 개체를 구분하였으며, 성체를 대상으로 성비와 성별에 따른 형태 차이를 확인하였다. 그 결과, 성체 수컷은 모두 배면에 한 쌍의 흰띠가 관찰되었으며, 암컷은 배면에 알이 확인되었다. 선행연구들을 통해 배면에 한쌍의 흰띠는 수컷의 생식선(Gonads)으로 판단 되었으며, 일부 미성숙 개체들에서도 확인되었다. 이러한 배면에 위치한 한 쌍의 흰띠 존재 유무로 맹꽁이의 성별을 구분할 수 있었으며, 이는 현장에서 확인 가능한 성별 구분방법으로 사용될 수 있을 것으로 판단된다. 연구기간 동안 성체 성비는 수컷 697개체(65.57%)와 암컷 366개체(34.43%)가 확인되어 수컷이 더 많은 것으로 확인되었다. 이와 같은 맹꽁이의 성비와 암수 구분 방법은 추후 맹꽁이의 종 복원과 개발로 인한 이주, 대체서식처 모니터링뿐만 아니라 다양한 생태연구와 기초적인 자료로 활용될 것으로 판단된다.

Abstract AI-Helper 아이콘AI-Helper

The purpose of this study is to collect basic information about Narrow-mouthed Toad (Kaloula borealis) by analyzing the morphological characteristics of Narrow-mouthed Toad (Kaloula borealis) caught in pitfall traps. The study site is in Godeok-dong, Gangdong-gu, Seoul, and a total of 1,063 individu...

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표/그림 (9)

AI 본문요약
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문제 정의

  • 본 연구에서는 육안으로 구별이 어려운 맹꽁이의 성별을 구분하기 위해 다양한 형태 특성과행동 습성을 확인하여 맹꽁이의 성적이형성을 알아보았다. 그 결과, 4년의 연구기간 동안 포획 후 계측된 수컷은 529개체, 암컷은 366개체, 성 구분이 불가능한 168개체로 총 1,063개체를 확인 및 기록하였다(Table 2).
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참고문헌 (57)

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