The Korean Journal of Ecology

The Ecological Society of Korea (한국생태학회)
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Diversity and Faunal Changes of the Macrolepidoptera in Mt. Duryunsan and Its Neighboring Area, Jeonnam, Korea

전남 두륜산 일대에 서식하는 대형나방종의 다양성 및 종 구성 변화

  • Choi, Sei-Woong (Department of Environmental Education, Mokpo National University) ;
  • Na, Sang-Duck (Department of Environmental Education, Mokpo National University)
  • 최세웅 (목포대학교 환경교육과) ;
  • 나상덕 (목포대학교 환경교육과)
  • Published : 2005.04.30
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Abstract

We investigated the species richness of macrolepidoptera (including pyralid moths) in the evergreen broad-leaved forests of southwestern coast of Korea. The studied site was Mt. Duryunsan and its neighboring area, Haenam-gun, Jollanam-do and moths were identified and analyzed after collecting them with UV light traps from 2001 to 2004. A total number of species comprised 18 families and 489 species. We expected that the number of species would be increased when the species of microlepidoptera and butterflies were included. The family Noctuidae with 181 species was dominant in the area followed by Geometridae with 129 species and Pyralidae with 72 species. Based on number of collected individuals, Geometridae was the highest and followed by Noctuidae, Pyralidae and Drepanidae. Fifty-one percent of the total species consisted of less than two specimens in the collected sample. Monthly changes of numbers of species and individuals were examined and indices of Simpson's heterogeneity and evenness were also drawn. We briefly discussed the possibility of moth species or group of species as bioindicator for assessing the condition of forest after disturbance.

한반도 서남해안 상록활엽수림이 우점하고 있는 산림의 대형나방(명나방 포함) 종 다양성을 조사하였다. 조사지역은 해남군 두륜산 일대로 2001년 3월부터 2004년 10월까지 약 4년간 자외선 등을 이용한 야간채집을 통하여 나방 종을 분류, 분석하였다. 조사결과 채집된 나방은 총 18과 489종이었으며, 미소나방과 주간활동성인 나비를 합한다면 이 지역에 분포하는 나비목곤충은 훨씬 더 많을 것으로 예상된다. 채집된 종 중 밤나방과가 181종으로 가장 많았고 다음으로 자나방과(129종), 명나방과(72종) 순이었으며, 개체수로는 자나방과가 가장 많았고 다음으로 밤나방과, 명나방과, 갈고리나방과의 순이었다. 채집된 종의 51%가 2개체 미만의 희귀종을 차지하였다. 월별 종수와 개체수의 변화를 살펴보았고, 이들 수치를 이용한 이질성도와 균등도를 산출하여 계절별 변화를 살펴보았다. 산림생태계 보전 및 이용에 특정 나방 종 및 종 그룹을 이용하는 것에 대하여 간략히 논의하였다.

Keywords

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