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NTIS 바로가기Ecology and resilient infrastructure, v.7 no.3, 2020년, pp.145 - 159
추연수 (국립생태원 습지연구팀) , 조광진 (국립생태원 습지연구팀) , 김미정 (국립생태원 습지연구팀) , 이창수 (국립생태원 습지연구팀) , 윤정도 (국립생태원 습지연구팀) , 임정철 (국립생태원 습지연구팀)
Wetlands are vulnerable to biological invasion by alien species, because they function as sinks that accumulate excess water, sediments, nutrients, and other contaminants from the surrounding watersheds by disturbance. In this study, to understand the status and characteristics of the alien plants b...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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Cowardin et al. 1979에 따르면, 현재 가장 널리 통용되는 습지의 과학적인 정의는? | 하지만 습지를 지칭하는 정의와 용어는 무수히 많으며 종종 모순된 의미가 전달되기도 한다. 현재 가장 널리 통용되는 습지의 과학적인 정의는 육상 생태계와 수생태계 사이의 전이지역으로 지하수면이 지표면에 근접해있거나 지면이 얕은 물로 덮여 있는 곳을 말한다 (Cowardin et al. 1979). | |
Mitsch and Gosselink 2000 및 여러 연구에 따르면, 외래종의 유입 및 확산 기회가 만들어지게 하는 생태계 위협에는 어떤 것들이 있는가? | 습지는 다양한 사회 ‧ 생태학적 기능 및 역할을 수행하고 있음에도 불구하고 개발 및 이용의 대상으로 인식되어 육역화 및 부영양화, 수문학적 교란, 서식처 파괴, 생물다양성 감소 등 지속적인 교란 및 소실의 위협을 받고 있다 (Mitsch and Gosselink 2000, Brinson and Malvárez 2002, Zedler and Kercher 2004, Davidson 2014). 이러한 위협에 의해 자연적인 장애물이 사라지게 되면 자생종에 비해 경쟁 우위를 쉽게 점할 수 있는 외래종의 유입 및 확산 기회가 만들어지게 된다 (Valéry et al. | |
본 연구에서, 조사 대상 습지에서 발견된 외래식물은 몇 종이며, 총 종수의 몇%를 차지하는가? | 본 연구는 내륙습지 유형에 따른 외래식물의 출현현황 및 특성을 파악하기 위하여, 생태우수습지 24개소를 대상으로 유형을 분류하고 외래식물상을 분석하였다. 조사 대상 습지에서 발견된 외래식물은 총 130종으로 출현 식물 총 종수의 11%를 차지하였다. 이 중 국화과가 40종으로 가장 많았으며, 출현빈도가 높은 종은 개망초와 달맞이꽃이었다. |
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