Korean Journal of Environmental Biology (환경생물)

Korean Society of Environmental Biology (한국환경생물학회)
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Flora and Vegetation of Hilly Pasture in Daegwallyeong

대관령 산지초지의 식물상 및 식생 특성

  • Kim, Myung-Hyun (National Institute of Agricultural Sciences, RDA) ;
  • Eo, Jinu (National Institute of Agricultural Sciences, RDA) ;
  • Kwon, Soon-Ik (National Institute of Agricultural Sciences, RDA) ;
  • Song, Young-Ju (National Institute of Agricultural Sciences, RDA)
  • 김명현 (농촌진흥청 국립농업과학원 기후변화생태과) ;
  • 어진우 (농촌진흥청 국립농업과학원 기후변화생태과) ;
  • 권순익 (농촌진흥청 국립농업과학원 기후변화생태과) ;
  • 송영주 (농촌진흥청 국립농업과학원 기후변화생태과)
  • Received : 2017.07.12
  • Accepted : 2017.09.12
  • Published : 2017.09.30
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Abstract

The aim of this study was to collect the basic data for effective creation and management of hilly pasture. The investigation of flora and vegetation was conducted at 59 $relev\acute{e}s$ in hilly pasture of Daegwallyeong from 2014 to 2016. The vascular plants of the hilly pasture were 121 listed taxa which contain 38 families, 90 genera, 104 species, 13 varieties, and 12 subspecies. The biological type of the hilly pasture was determined as the $Th-D_4-R_5-e$ type. Twelve taxa were of naturalized plants composed of 5 families, 9 genera, 12 species. The urbanization index and the naturalized index were 3.7% and 9.9%, respectively. The vegetation types in the hilly pasture were classified into the following 3 communities: the Spiraea miyabei-Spiraea salicifolia community, the Persicaria thunbergii community, and the Agrostis alba-Phleum pratense community. The Agrostis alba-Phleum pratense community was classified into the following 5 subcommunities: the Poa pratensis subcommunity, the Artemisia princeps subcommunity, the Festuca ovina subcommunity, the Rumex acetosella subcommunity, and the typical subcommunity. Two factors (slope and EC) had the strongest impact on plant community distribution. Especially, the steep sloping sites (over $40^{\circ}$) did not play a crucial role in maintaining adequate pasture because of the invasion and establishment of shrubs.

산지초지의 효율적인 조성 및 관리를 위한 기초자료 마련을 위하여 강원도 대관령에 위치하는 산지초지에서 2014년~2016년 사이 식물상과 식생을 조사하였다. 그 결과, 관속식물은 38과 90속 104종 13변종 12아종으로 총 121분류군으로 조사되었다. 출현한 식물의 생활형 조성은 반지중식물-단립식물-중력산포형-직립형 ($H-D_4-R_5-e$)로 나타났다. 귀화식물은 5과 9속 12종으로 총 12분류군으로, 도시화지수는 3.7%, 귀화율은 9.9%를 나타냈다. 대관령 산지초지의 식물군락은 덤불조팝나무-꼬리조팝나무군락, 고마리군락, 흰겨이삭-큰조아재비군락으로 구분되었고, 흰겨이삭-큰조아재비군락은 세분하여 왕포아풀아군락, 쑥아군락, 김의털아군락, 애기수영아군락, 전형아군락으로 구분되었다. 이들 식물군락은 경사도와 EC에 크게 영향을 받는 것으로 나타났다. 특히 경사도 $40^{\circ}$ 이상에서는 원하는 목초의 정착이 이루어지지 않고, 관목림이 형성되었다. 따라서, 향후 산지초지의 조성 및 관리에 경사를 충분히 고려해야 할 것으로 판단한다.

Keywords

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