Korean Journal of Environment and Ecology (한국환경생태학회지)

Korean Society of Environment and Ecology (한국환경생태학회)
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Vegetation Structure of Jeolgu Valley in the Nakdong-Jeongmaek

낙동정맥 절구골 지역의 식물군집구조

  • Cho, Hyun-Seo (Dept. of Forest Resources, Gyeongnam National University of Science and Technology) ;
  • Lee, Soo-Dong (Dept. of Landscape Architecture, Gyeongnam National University of Science and Technology) ;
  • Kim, Mi-Jeong (Dept. of Landscape Architecture, Gyeongnam National University of Science and Technology)
  • 조현서 (경남과학기술대학교 산림자원학과) ;
  • 이수동 (경남과학기술대학교 조경학과) ;
  • 김미정 (경남과학기술대학교 조경학과)
  • Received : 2012.08.21
  • Accepted : 2012.10.17
  • Published : 2012.10.31
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Abstract

In order to verify the characteristics of vegetation structure in Jeolgu valley, Nakdongjeongmaek, we set up 29 plots(each plot area is $10m{\times}10m(100m^2)$. The survey site is located in around the valley and its range is about 3km section. The forest vegetation communities were analysed by TWINSPAN classification. The results of communities were classified 5 types such as Pinus densiflora community, deciduous broad-leaved tree community, Quercus variabilis community, Quercus mongolica community, Larix leptolepis community. The deciduous broad-leaved tree which prefer to moist environment and Quercus spp. has dominant in around the valley and the northern slope. In addition, Larix leptolepis community expect to maintain the present status for a while. However, the under story of Larix leptolepis community have expanded the influence of deciduous broad-leaved tree such as Fraxinus mandshurica, Morus bombycis, Acer mono and so on. Therefore, there will be developed next ecological succession by species of deciduous broad-leaved tree. The diversity index showed form 0.9665 to 1.2450. It were analyzed that diversity index of Jeolgu valley was higher than other places in Nakdongjeongmaek.

낙동정맥 절구골의 식생구조를 파악하고자 계곡부 약 3km 구간을 대상으로 $10m{\times}10m(100m^2)$ 조사구 29개소를 설치하여 식물군집구조 조사를 실시하였다. TWINSPAN classification에 의한 군락 분류 결과 소나무군락, 낙엽활엽수군락, 굴참나무군락, 신갈나무군락, 일본잎갈나무군락 5개 유형으로 분류되었다. 계곡부와 북사면에는 습윤지성 낙엽활엽수와 참나무류가 주로 분포하였고 일본잎갈나무군락은 당분간 현상태를 유지하겠으나 하층의 들메나무, 산뽕나무, 고로쇠나무 등 낙엽성 활엽수의 세력이 우세해지고 있어 장차 이들 종으로의 천이가 기대되었다. 군락별 종다양도지수는 0.9665~1.2450 범위로 낙동정맥 타 지역에 비해 높은 것으로 나타났다.

Keywords

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