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Influence of Pesticide Use on Distribution of Waterbirds in Rice Fields at Mid-western Part of South Korea

화학살충제의 사용이 한국 중서부지역 논습지에 도래하는 수조류 분포에 미치는 영향

  • Nam, Hyung-Kyu (Ecological Institute for Oriental Stork, Korea National University of Education) ;
  • Kim, Miran (National Park Research Institute, Korea National Park) ;
  • Choi, Green (The Korea Institute of Ornithology and Department of Biology, Kyung Hee University) ;
  • Jang, Dooly (The Korea Institute of Ornithology and Department of Biology, Kyung Hee University) ;
  • Choi, Seung-Hye (Ecological Institute for Oriental Stork, Korea National University of Education) ;
  • Cho, Kwang-Jin (National Institute of Ecology) ;
  • Choe, Lak-Jung (Dongbu Office, Korea Seed & Variety Service) ;
  • Na, Young-Eun (National Institute of Agricultural Sciences, RDA) ;
  • Kim, Myung-Hyun (National Institute of Agricultural Sciences, RDA)
  • 남형규 (한국교원대학교 황새생태연구원) ;
  • 김미란 (국립공원관리공단 국립공원연구원) ;
  • 최그린 (경희대학교 생물학과) ;
  • 장둘리 (경희대학교 생물학과) ;
  • 최승혜 (한국교원대학교 황새생태연구원) ;
  • 조광진 (국립생태원) ;
  • 최락중 (국립종자원 동부지원) ;
  • 나영은 (농촌진흥청 국립농업과학원) ;
  • 김명현 (농촌진흥청 국립농업과학원)
  • Received : 2016.10.19
  • Accepted : 2016.11.01
  • Published : 2016.12.31

Abstract

Waterbirds using rice fields has increased due to a decline of natural wetlands. The rice field is an essential habitat to supports the waterbird population. Although use of rice field by waterbirds has been widely documented, little information is available on distribution patterns of waterbirds under the pesticide use in rice fields. The current study conducted to understand the relationship between habitat use by waterbirds and pesticide applicatioins in rice fields. We monitored the distribution of waterbirds at Daeho reclaimed area in July 2013 to June 2014 and September 2014 to August 2015. As a results, three heron species (Black-crowned Night Heron Nycticorax nycticorax, Eastern Cattle Egret Bubulcus coromandus and Intermediate Egret Egretta intermedia) are more sensitive to pesticides use than other waterbird species in rice fields. Future studies are necessary to explore the relationship between bird's distribution and management practices including pesticide use at different spatiotemporal scales.

자연습지의 감소로 인해 논습지를 이용하는 수조류가 증가하고 있다. 그에 따라 논습지는 수조류 개체군의 유지를 위한 중요한 서식지로서 역할을 한다. 논습지를 이용하는 수조류에 관해서는 여러 연구가 수행되었지만 화학살충제의 사용이 수조류에 미치는 영향에 관한 연구는 미비하다. 따라서 본 연구는 화학살충제의 사용이 수조류의 분포를 결정하는지 확인하기 위해 수행하였다. 2013년 7월부터 2014년 6월, 2014년 9월부터 2015년 8월까지 대호간척농지 내 조성된 친환경농업지역과 관행농업지역에 도래하는 도요물떼새류, 백로류, 오리기러기류의 분포 특성을 확인하였다. 그 결과 해오라기, 황로, 중백로와 같은 백로류에서 화학살충제 사용이 분포를 제한하는 것으로 확인되었다. 다른 분류군에서는 화학살충제가 분포를 결정하는 요인으로 확인되지 않았다. 향후 다층 스케일의 공간적 스케일에서 분석을 통해 더욱 명확한 관련성을 확인하는 것이 필요하다.

Keywords

References

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