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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

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.

Keywords

Bioindicator;Evergreen Broad-leaved forests;Habitat fragmentation;Lepidoptera;Rare species;Species richness

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