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Investigation of vegetation succession using a lysimeter on experimental embankment slopes

첫 페이지 보기
  • 발행기관
    강원대학교 산림과학연구소 바로가기
  • 간행물
    강원대학교 산림과학연구소 학술대회 바로가기
  • 통권
    KNU IFS 2017 Annual International Symposium of Institute of Forest Science (2017.11)바로가기
  • 페이지
    pp.7-7
  • 저자
    Kun-Woo Chun, Suk-Woo Kim, Tsugio Ezaki
  • 언어
    영어(ENG)
  • URL
    https://www.earticle.net/Article/A450033

원문정보

초록

영어
The introduction of vegetation on slopes is one of the major goals of slope protection activities. To successfully achieve the goal of slope protection activities with regard to slope vegetation, vegetation succession after slope protection activities should be predicted on the basis of the surrounding landscape and ecosystem. To this end, long-term monitoring of the vegetation dynamics is required. Thus, we investigated the vegetation dynamics of experimental embankment slopes from 1980 to 2014, using a lysimeter, to evaluate invasion and growth condition at 7, 10, 32, 34, and 35 years since the start of the experiment. Additionally, uprooting was conducted in 2014 (35 years after the start of experiment). At this time, 16 species comprising 577 individuals of woody vegetation inhabited the experimental sites, the majority of which was Cryptomeria japonica (400 individuals), followed by Chamaecyparis obtusa (96 individuals). Regarding herbaceous vegetation, only a few plants were observed, including one individual of Fallopia japonica and one individual of Eulalia grass, indicating a drastic decrease in the number of species and individuals compared to those in 2013. These results indicate that the dominance of C. japonica and C. obtusa likely resulted from natural selection owing to interspecific competition, and thereby the dense shade canopy (less than 5% relative illuminance in this study) created by these two species can make it virtually impossible for seedlings and/or herbaceous vegetation to grow underneath them. In addition, we found that invasion by these plants on the experimental slopes was greatly affected by the dispersal of seeds from surrounding hillslopes. Consequently, the vegetation status and dynamics of surrounding environments should be preferentially considered when undertaking vegetation slope protection activities.

키워드

Vegetation slope protection Vegetation succession Long-term monitoring lysimeter Experimental embankment slopes

저자

  • Kun-Woo Chun [ College of Forest and Environmental Sciences, Kangwon National University ]
  • Suk-Woo Kim [ College of Forest and Environmental Sciences, Kangwon National University ]
  • Tsugio Ezaki [ Faculty of Agriculture, Ehime University, Matsuyama 790-8566, Japan ] Corresponding Author

참고문헌

자료제공 : 네이버학술정보

간행물 정보

발행기관

  • 발행기관명
    강원대학교 산림과학연구소 [Institute of Forest Science Kangwon National University]
  • 설립연도
    1975
  • 분야
    농수해양>임학
  • 소개
    강원대학교부설산림과학연구소(이하 “연구소”라 한다)는 산림에 관한 제반 학술적 연구를 통하여 산림자원의 효용을 밝히고 임업 및 임산업의 발전에 기여함을 목적으로 한다.

간행물

  • 간행물명
    강원대학교 산림과학연구소 학술대회
  • 간기
    부정기
  • 수록기간
    2017~2024
  • 십진분류
    KDC 526 DDC 634

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