The Factors of Local Disappearance and a Plan of Restoration for Parnassius bremeri from Okchon-gun, Korea

옥천군 지역의 붉은점모시나비(Parnassius bremeri)의 소멸 원인과 복원 방안

  • Published : 1999.12.01

Abstract

The factors of local disappearance and a plan of restoration fer Parnassius bremeri from Okchon-gun, Chungchongbukdo, Korea, were investigated. The population of this butterfly from Okchon-gun was much more abundant than the other areas of Korea in the past. But only two adults were observed in 1997 at this site and no more observation was made in 1998. So we considered that Parnassius bremeri is disappeared from this area. To know the factors of local disappearance of this species, we analyzed data of the monitoring from seven localities of Okchon-gun from 1990 to 1998 and also checked 252 specimens from this area by several collections. As a result of it, the habitat changes by recent road constructions and the frequent collecting activity around this area are shown as the factors for the local disappearance of this species. We are intending to establish the programs for restoration of Parnassius bremeri in Okchon-gun. Firstly, the breeding plan of this species was designed by investigation on life cycle. Secondly, the environmental conditions among seven localities were compared and the suitable places of the restoration were selected. The most suitable localities for restoration by this study were of two localities, Dongrakjeong and Jangwahri, which are considerd as highly successful breeding places in the view of growth condition of host plant.

충청북도 옥천군 지역의 붉은점모시나비에 대한 소멸원인과 복원방안을 조사하였다. 붉은점모시나비는 과거 중부지역인 옥천군에서 비교적 많은 개체가 발생하였으나, 그 수가 계속 감소하여 1997에는 두 마리의 성충만 확인되었고, 1998년에는 확인되지 않았다. 따라서 현재 옥천군지역에서 붉은점모시나비는 소멸된 것으로 추정된다. 붉은점모시나비의 소멸원인을 알아보기 위하여 1990∼1998년간 옥천군 7곳의 서식지에 대한 조사 기록의 분석과 여러기관에 소장된 표본 252개체의 채집기록을 조사하였다. 그 결과, 도로 개설에 의한 서식지의 급격한 환경 변화와 빈번한 채집이 붉은점모시나비의 소멸원인으로 나타났다. 옥천군 지역에 붉은점모시나비의 복원을 위한 프로그램으로 우선적으로 사육을 통한 붉은점모시나비의 생활사를 정리하였고, 둘째로 복원을 위한 최적지를 선정하기 위하여 서식이 확인되었던 7개 지역에 대한 서식지 환경조건을 비교·분석하였다. 복원적정지역은 섭식식물의 생육환경이 좋은 동낙정과 장화리로 나타났다.

Keywords

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