Korean Journal of Weed Science (한국잡초학회지)

The Korean Society of Weed Science & The Turfgrass Society of Korea Archive (한국잡초학회 & 한국잔디학회)
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Analysis of Weed Vegetation in Vicinity of Abandoned Mines

폐광산 주변에 발생하는 잡초 식생의 특징

  • Hong, Sun-Hee (Environmental Science & Ecological Engineering, Korea University) ;
  • Lee, Yong-Ho (Environmental Science & Ecological Engineering, Korea University) ;
  • Na, Chae-Sun (Environmental Science & Ecological Engineering, Korea University) ;
  • Kim, Dae-Yeon (Environmental Science & Ecological Engineering, Korea University) ;
  • Kim, Jeong-Gyu (Environmental Science & Ecological Engineering, Korea University) ;
  • Kang, Byeung-Hoa (Environmental Science & Ecological Engineering, Korea University) ;
  • Shim, Sang-In (Dept. of Agronomy, College of Agriculture & Life Sciences, Gyeongsang National University)
  • 홍선희 (고려대학교 생명과학대학) ;
  • 이용호 (고려대학교 생명과학대학) ;
  • 나채선 (고려대학교 생명과학대학) ;
  • 김대연 (고려대학교 생명과학대학) ;
  • 김정규 (고려대학교 생명과학대학) ;
  • 강병화 (고려대학교 생명과학대학) ;
  • 심상인 (경상대학교 농업생명과학대학 농학)
  • Received : 2010.01.22
  • Accepted : 2010.03.15
  • Published : 2010.03.31
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Abstract

Field study to find appropriate species for phytoremediation and phytomonitoring with higher plants was carried out at four abandoned metalliferous mines. In order to know the tolerant degree of plant resources collected at heavy metal polluted sites, soil and plants were sampled at same sites and metal concentrations were determined. Most serious heavy metal polluted in the sites was As that showed range from 29.1 to 1372.2 mg $kg^{-1}$ in investigated area. The dominant species were Oenothera biennis, Commelina communis, Persicaria senticosa, Conyza annuus, Artemisia princeps, and Erigeron canadensis. These species were predominant species that were proliferated in any survey area. Compared with other sites, vegetational characteristics of Dal-Seong, a mine site abandoned early in 1973, showed higher diversity index and lower dominance index. Distributions of weed species according to life cycle indicated that the proportions of perennial plants were lowered in every investigated site. Although the polluted areas were distant from each other, similarity indices among these vegetation were relatively similar. These results means the vegetations of abandoned mine areas were beginning stage of vegetational succession, and the vegetations were adversely affected by disturbance with heavy-metals and lack of water in soil.

폐광산 주변의 토양 중금속 오염과 이 지역의 식생조사를 실시한 결과 As의 오염이 가장 심각하게 나타났다. 조사된 광산에서 모두 나타난 초종은 달맞이꽃, 닭의장풀, 며느리밑씻게, 개망초, 망초 등 5개 초종이며, 이들은 식생천이의 초기종으로, 중요치(important value)는 달맞이꽃이 가장 높았다. 달성광산은 종풍부도 및 종다양성이 가장 높았으며, 오염의 정도와는 별개로 작토층이 잘 발달한 것으로 밝혀졌다. 조사 지점 사이의 리차가 큼에도 불구하고 군집유사도는 비교적 높은 것으로 밝혀졌으며 이는 교란에 의한 천이 초기종들의 우점이 강하기 때문으로 생각된다.

Keywords

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