Abstract
세계적으로 인간 활동 따른 서식지의 소실과 단절은 생물다양성을 떨어뜨리는 주요원인이며 서식지의 소형화와 세분화는 개체군의 크기를 감소시키고 있다. 본 연구는 꼬리명주나비를 표지-방사-재포획법(MRR 방법)을 이용하여 메타개체군 동태를 파악하였다. 그 결과 2,749 개체(암컷-2295, 수컷-454)가 포획되었으며 이중 343개체(12.8%)가 재포획되었다. 포획된 암수 비율에서는 수컷이 주를 이루는 것으로 나타났다. Jolly-Seber의 방법으로 일일메타개체군의 크기, 생존율, 추가율, 사망률을 추정하였다. 저자들은 보전생물학자들에게 단절된 경관에서 국지적 메타개체군의 관리와 보전을 강조하고자 하며, 특히 한국산 꼬리명주나비의 경우 지속적인 서식지 보전이 필요하다. The loss of natural habitats and their fragmentation caused by human activities pose a great threat to biodiversity worldwide, reducing animal population to small, fragmented patches of natural habitat. In this paper, a metapopulation dynamics of Sericinus montela koreanus, a species of butterfly, was studied for two years by mark-release-recapture (MRR) techiques in the Musimcheon, Cheongju Korea. 2,749 individuals (males: 2,295, females: 454) were marked and released, with 343 individuals (12.5%) recaptured during the MRR experiment. Capture sex ratio and recapture sex ratios was both consistently male-biased. The Jolly-Seber model was used to estimate daily metapopulation size, survival rates, addition rate, and accidental deaths. We urge conservation biologists to consider the local population dynamics of species for the management of metapopulations in fragmented landscapes. In the case of the S. montela koreanus, continuing site protection is essential.
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