Korean Journal of Environment and Ecology (한국환경생태학회지)

Korean Society of Environment and Ecology (한국환경생태학회)
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The Relation of the Species Number of Bird to the Urban Biotope Area in Seoul

서울의 도시 비오톱에서 면적과 조류의 종수와의 관계

  • Chae, Jin-Hwak (Department of Environmental Science ＆ Engineering, Kyung Hee University) ;
  • Kim, Jung-Soo (Department of Environmental Science ＆ Engineering, Kyung Hee University) ;
  • Koo, Tae-Hoe (Department of Environmental Science ＆ Engineering, Kyung Hee University)
  • Published : 2004.03.01
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Abstract

This study is conducted to investigate number of species in various habitat size in the area of urban biotope in Seoul from October to November in 2001 and from May to June in 2002. It is established that habitat size does not significantly affect the number of species in urban biotope. Thirty-two bird species were observed in 54 sites. Thirteen species of birds used sites of up to 1㏊, 29 species from 1 to 10 ㏊, and 8 species in the sites larger than 10㏊. We find that most of species appeared in size (1-10㏊), rather than in size (<1㏊, >10㏊). The cumulative number of species for a given cumulative area was consistently higher when small sites were added first. We think that this habitat size is the actual area to promote number of species within the urban area. Also, there was significant increase of number of species at biotope with water source and multiple vegetation structure. Therefore, if water resources and multiple vegetation structure is maintained, even small area can be helpful to the bird species promotion.

본 연구는 서울 도시 비오톱(n=54)을 대상으로 서 식지 면적 에 따른 조류 종수를 파악하고자 2001년 가을과 2002년 봄에 실시하였다. 도시 비오톱을 대상으로 조사한 조류종수의 연구에서 비오톱 면적의 크기가 조류종수에 뚜렷한 영향을 미치지 않는다고 생각되어진다. 전체 대상지에서 32종의 조류가 관찰되었으며 1㏊미만에서 는 13종, 1-10㏊에서 는 29종, 10㏊이상의 면적에서는 8종의 조류가 나타났다. 비오톱 면적 크기에 따른 조류종수의 증가에 관한 연구에서, 면적의 크기가1-10㏊인 대상지가 <1㏊ 이거나, > 10㏊인 대상지보다 더욱 많은 조류가 관찰되었다. 또한, 종-면적 축적 곡선에서 는 작은 면적의 서식지가 추가되어졌을때 종수의 증가율이 지속적으로 높아졌다. 이에 도시 지역에서 조류 종수의 증가를 위해 필요한 최소면적은 1-10㏊가 효과적일 것이라 생각된다. 또한, 수자원과 다양한 식생구조를 가진 비오톱에서 조류종의 뚜렷한 증가를 보였다. 따라서 이러한 환경의 조성은 작은 면적의 서식지도 조류종의 증가에 도움이 될 수 있을 것이다.

Keywords

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