3-year Change of Vegetation and Life Form at the Man-made Wetland in Sinpyeoncheon City

순천시 신평천 인공습지 조성 후 3년간 식생 및 생활형에 대한 연구

  • Kim, Chang-Hwan (Department of Environmental Landscape Architecture - Design, Chonbuk National University) ;
  • Choi, Young-Eun (Division of Biotechnology, Graduate School of Chonbuk National University) ;
  • Kim, Jong-Won (Department of Ecology Landscape Architecture, Graduate School of Chonbuk National University) ;
  • Myong, Hyun (Department of Environmental Landscape Architecture - Design, Chonbuk National University) ;
  • Lee, Suk-I (Department of Ecology Landscape Architecture, Graduate School of Chonbuk National University)
  • 김창환 (전북대학교 환경조경디자인학과) ;
  • 최영은 (전북대학교 대학원 생명공학과) ;
  • 김종원 (전북대학교 대학원 생태조경디자인학과) ;
  • 명현 (전북대학교 환경조경디자인학과) ;
  • 이숙이 (전북대학교 대학원 생태조경디자인학과)
  • Received : 2010.11.15
  • Accepted : 2011.01.21
  • Published : 2011.02.28

Abstract

A field survey was conducted from June 2005 to September 2007 to explore changes of the vegetation and life form in the man-made Wetland along the Sinpyeongcheon for 3 years after its creation. A total of 20 species including 14 families, 18 genera, 15 species and 5 varieties were planted in the Wetland which was completed in 2004. Divided by life form of the planted species, a prevalent 65% of them was composed of perennation while 4 species of woody plants i.e. Fraxinus rhynchophylla, Salix glandulosa, Camellia japonica and Nandina domestica were planted there, too. The 3-year study revealed that hydatophytes (HH) scored the biggest increase in number, followed by slight increase in the number of microphanerophytes (M), megaphanerophytes (MM), chamaephytes (Ch), nanophanerophytes (N), perennial plants (H), etc., featuring generally a similar tendency for the whole period of study. The change in vegetation area increases in the area of Typha angustata, Phragmites japonica, Phragmites communis, etc. but a sharp decrease in the area of communities for other planted species. In terms of change in the area for planted species by their life form, hydatophytes (HH), HH Th (Th(w)) reported gradual increase while microphanerophytes (M), geophyte (G), and nanophanerophytes (N) continued to record a decrease. In conclusion, selection of plants to be planted turns out to play a vital role in molding the destiny of a man-made Wetland. It seems therefore extremely important to investigate the flora, and life and growth forms of the plants planted in the man-made Wetland in an effort to choose the species that can adapt themselves to the environment from the early phase on, contributing by thus to stabilization and diversification of the damp ground in line with the progression of their succession.

신평천 인공습지 조성 후 3년간의 식생 및 생활형 변화 연구를 위하여 2005년 6월부터 2007년 9월까지 현지조사를 실시하였다. 2004년에 조성된 신평천 인공습지의 식재종은 14과 18속 15종 5변종으로 총 20종류가 식재되었다. 식재종의 생활형 구성비는 전체의 65%인 대부분을 다년생이 차지하고 있으며 목본류는 물푸레나무와 왕버들, 동백나무, 남천 4종류가 식재되었다. 3년간의 조사 기간 동안 생활형의 변화는 수생식물(HH)이 가장 많은 비율을 차지하며 증가하였고 소형지상식물(M), 대형지상식물(MM), 지표식물(Ch), 미소지상식물(N), 다년생식물(H)과 지표식물(Ch) 등도 증가하였다. 식생면적 변화는 애기부들, 달뿌리풀, 갈대 등은 군락면적이 증가하였으나, 다른 식재종의 면적은 급격히 감소하였다. 생활형 면적변화를 살펴보면 수생식물(HH), 1년생 수습식물(Th(w))은 점차 증가하였으며 소형지상식물(M), 지중식물(G), 미소지상식물(N) 등은 감소를 보였다. 결론적으로 식재 식물의 선정은 인공습지의 미래를 결정하는 중요한 요인이며 습지 조성 후 정착된 식물상의 파악 및 이들 식물들의 생활형을 분석하여 인공습지 초기정착에 유리한 종, 천이가 진행되면서 습지의 안정화 및 다양성을 유도하는 종을 선정하는 것은 매우 중요하다.

Keywords

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