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오늘 본 자료
김도성 ( Do Sung Kim ),박성준 ( Seong Joon Park ),김동순 ( Dong Soon Kim ),조영복 ( Young Bok Cho ),이영돈 ( Yeong Don Lee ),안능호 ( Nung Ho Ahn ),김기경 ( Ki Gyoung Kim ),서홍렬 ( Hong Yul Seo ),차진열 ( Jin Yeol Cha ) 한국환경생태학회 2014 한국환경생태학회지 Vol.28 No.6
제주도 한라산은 나비 학자들로부터 주요 관심의 대상지로 남방계와 북방계의 나비가 서식하고 있는 것으로 알려져 있다. 본 연구는 2013년 5월부터 9월까지 월별로 선조사법으로 모니터링하여 각 구간별 나비군집과 유사도를 분석하고 과거 기록과 비교하여 고도분포의 변화를 살펴보았다. 그 결과 총 5과 26종 3,397개체의 나비류가 조사되었다. 이중 상위 4종(가락지나비, 산굴뚝나비, 먹그늘나비, 조흰뱀눈나비)가 2,578개체(75.9%)로 높은 비율을 차지하여 한라산의 나비는 초지대에서 서식하는 특정종의 비율이 매우 높은 것으로 나타났다. 한라산 나비 유사도는 교목층의 수관부와 열린 초지대와 같은 단일경관지역보다는 수관부와 열린 초지 공간이 함께 있는 지역에서 유사도가 높게 나타나고 있다. 고도별 나비분포는 해발 1,665∼1,700m에서 가장 많은 종수와 개체수가 관찰되어 한라산 백록담 아래에 형성된 열린 초지공간이 주요 서식지로 나타났다. 또한 아고산대에 서식하던 종들은 고도가 좀 더 높은 쪽으로 이동하고 낮은 지역에 서식하던 종들이 새롭게 아고산대에서 관찰되는 것으로 나타났다. Mt. Hallasan in Jejudo has been well known as a habitat for both northern and southern limited butterflies and attracts the interests of many lepidopterists. In this study, the line transect method was used to monitor the community and similarity of butterflies monthly monitoring from May to September 2013, and the results were compared with the previous data. Through monitoring, 3,397 individuals in 26 species of 5 families were found in the present study. The monitored individuals belonging to 4 species (Aphantopus hyperantus, Eumenis autono, Lethe diana and Melanargia epimede) was 2,578 (75.9%), showing the prevalent species among the butterflies observed in the grassy area of the Mt. Hallasan. The butterflies inhabiting Mt. Hallasan showed higher similarity in the area where the open grassy space and the crowns of tree layer coexist than in landscape consisting of solely the tree layer or open grassy space. The habitation of butterflies by heights showed the altitudes between 1,665 to 1,700 m, located beneath the Baekrokdam (the crater) of Mt. Hallasan, possessed the most species and individuals. And it was also observed that the species that previously inhabited the subalpine zone moved to the area of higher altitudes together with the species that previously inhabited rather lower altitudes than the subalpine zone.
여름어리표범나비(Mellicta ambigua (Menetries))의 생태적 특성에 관한 보고
김세권 ( Se Gwon Kim ),남경필 ( Gyoung Pil Nam ),김남이 ( Nam Ee Kim ),배경신 ( Kyoung Sin Bae ),최영철 ( Young Cheol Choi ),이상현 ( Sang Hyun Lee ) 한국잠사학회 2014 한국잠사곤충학회지 Vol.52 No.2
Recently the number of the butterflies, Mellicta ambigua, had been decreasing rapidly, and already disappeared at many habitat. In this studies, we investigated ecological environment of Mellicta ambigua for preparing of primary research data recovering habitat, and studied on bionomical characteristics. Two different habitat, Jindo and Inje, were selected for investigation of ecological environment. We investigated four times during 3-month, from June to August in 2012. In Jindo, we observed more than 100 butterflies and a lot of host plants, Melampyrum roseum var. japonicum. But only 5 butterflies and only a few host plants, Veronicastrum sibiricum were observed in Inje. We could not observe the eggs, the larva and pupa on the host plants at all. For finding of bionomical characteritics, we reared butterflies at natural conditions. Collected 3-female butterflies from Jindo laid 465 eggs on the leaves of 3-host plants, Veronicastrum sibiricum. 120 ~ 186 eggs per each female were laid in the shape of cluster. An egg was globular shape, 0.6 mm diameter and 0.7 mm height. The egg periods were 9.96 ± 0.4 days after ovipositioning, and the hatchability was 95.% at natural condition. The larval periods were 4.1 ± 0.6 days (1st instar), 2.1 ± 1.0 days (2nd), 8.1 ± 0.7 days (3rd), 239.2 ± 10.9 days (4th), 12.3 ± 1.3 days (5th), 17.1 ± 1.1 days (6th), 10.5 ± 1.0 days (7th) each other. The larva of 4th instar overwintered in the nest that had been made into the leaf of host plant with secreted thread as a group until early March next year. In the early March next year, overwintered larva went around their nest in search of host plants, and went to other host plants, Veronica persica and Plantago asiatica, sometimes. The overwintered larva of Mellicta ambigua could grow up on two other host plants normally. In the following experiment, the butterflies of Mellicta ambigua laid eggs on the leaves of Plantago asiatica, but the 1st instar larva from eggs died all. The headwidth of each developmental larval stage were 0.28 ± 0.02 mm (1st), 0.45 ± 0.02 mm (2nd), 0.58 ± 0.02 mm (3rd), 0.75 ± 0.03 mm (4th), 0.89 ± 0.05 mm (5th), 1.23 ± 0.06 mm (6th), 2.13 ± 0.11 mm (7th). The pupal ratio was 92.0%. The pupal period were 9.1 ± 1.6 days, and the emergence rate was 88.6%. As a result we determined that Mellicta ambigua can rear at natural conditions. But indoor-rearing is considered to be difficult and not useful industrially, because they have long term larval stage and only one life cycle per an year.