Ecology and Resilient Infrastructure

응용생태공학회 (Korean Society of Ecology and Infrastructure Engineering)
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도로개발 사업이 외래식물 유입에 미치는 영향

Impact on Introduction of the Alien Plants by Road Development Projects

  • 추연수 (국립생태원 환경영향평가팀) ;
  • 김중권 (국립생태원 환경영향평가팀) ;
  • 이효혜미 (국립생태원 환경영향평가팀)
  • Chu, Yunsoo (Environmental Impact Assessment Team, National Institute of Ecology) ;
  • Kim, Jung-Kwon (Environmental Impact Assessment Team, National Institute of Ecology) ;
  • Lee, Hyohyemi (Environmental Impact Assessment Team, National Institute of Ecology)
  • 투고 : 2017.09.14
  • 심사 : 2017.09.22
  • 발행 : 2017.09.30
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초록

도로 및 철도 건설과 같은 선형개발은 외래생물의 확산에 중요한 요인으로 고려된다. 본 연구는 도로사업 수행이 외래식물 유입에 미치는 영향을 파악하기 위하여, 한강유역환경청 관할 사업 (80개 사업) 중 현재 공사가 70% 이상 진행 중이거나 완공된 도로사업장을 대상으로 공정률에 따른 외래식물 변화를 연구하였다. 공정률은 공사 전 (P0)과 공사 중 (P25, P50, P75, P100)의 5단계로 구분하였다. 공사가 진행됨에 따라 귀화율, 도시화지수 및 외래식물 종수가 증가하였다. 특히 외래식물은 공사 초기에 급속히 유입되고 유입종은 공사가 완료될 때까지 지속적으로 출현하는 경향이었다. 그러므로 도로사업장의 외래식물 관리를 위하여 공사 초기에 성토 공정과 식생복원 공정을 집중관리하여 외래식물 유입을 최소화시킬 필요가 있다고 생각된다.

Linear development such as road and railway construction is considered to be an important factor in the dipersion agent of alien species. The purpose of this study is to investigate the effect of road project implementation on the introduction of alien plants. We selected the roadworks that have been completed or completed by more than 70% of the projects in the Han River basin environment agency. The alien plant data were divided into five phases: pre-construction (P0) and construction (P25, P50, P75, P100) according to the annual process rate. As the construction progresses, the naturalization rate, the urbanization index and the tendency of the number of exotic plants increase. Especially, alien plants were introduced rapidly at the beginning of the construction period, and the introduced species continued to appear until the construction was completed. Therefore, it is necessary to minimize the introduction of ailen plants by concentrating management of embankment process and the vegetation restoration process at the beginning of roadworks.

키워드

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