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Ecological Characteristics of Sub-Alpine Coniferous Forest on Banyabong in Mt. Jiri

지리산 반야봉 아고산 침엽수림의 생태적 특성

  • Cho, Min-Gi (Southern Forest Resources Research Center, Korea Forest Research Institute) ;
  • Chung, Jae-Min (Dept. of Forest Biodiversity, Korea National Arboretum) ;
  • Im, Hyo-In (Dept. of Forest Genetic Resources, Korea Forest Research Institute) ;
  • Noh, Il (Korea National Park Research Institute) ;
  • Kim, Tae-Woon (Dept. of Forest Resources, Gyeongsang National University) ;
  • Kim, Chung-Yeol (Dept. of Forest Resources, Gyeongsang National University) ;
  • Moon, Hyun-Shik (Dept. of Forest Resources, Gyeongsang National University)
  • 조민기 (남부산림자원연구소) ;
  • 정재민 (국립수목원 산림생물조사과) ;
  • 임효인 (국립산림과학원 산림유전자원과) ;
  • 노일 (국립공원연구원) ;
  • 김태운 (경상대학교 산림자원학과) ;
  • 김충열 (경상대학교 산림자원학과) ;
  • 문현식 (경상대학교 산림자원학과)
  • Received : 2016.10.11
  • Accepted : 2016.11.14
  • Published : 2016.12.31

Abstract

This study was conducted to elucidate the ecological characteristics of sub-alpine coniferous forest on Banyabong, Mt. Jiri. Soil pH was 4.20. The contents of organic matter, total N, available P and CEC were 14.15%, 0.43%, 10.1 ppm and $17.17cmol^+/kg$, respectively. Sub-alpine coniferous forest had a relatively soil moisture content with 22.9%. According to the results of importance value analysis, Picea jezoensis (42.7) and Abies koreana (34.0) for tree layer, Rhododendron schlippenbachii (25.5) for subtree layer and Tripterygium regelii (18.4) and Rhododendron mucronulatum (16.6) for shrub layer were high, respectively. Shannon's diversity ranged from 0.3560 to 1.050. Evenness and dominance ranged from 0.398 to 0.733 and 0.267 to 0.601, respectively. A. koreana population had a reverse J-shaped DBH distribution, while P. jezoensis population had a normal DBH distribution. Height growth according to DBH of A. koreana was higher than that of P. jezoensis, which indicate than A. koreana have more effective water use efficiency than P. jezoensis. Annual mean tree ring growth of P. jezoensis and A. koreana showed up 1.792, 1.652, 1.389 mm/yr and 2.081, 1.921, 1.576 mm/yr for small, middle and large diameter tree, respectively.

Keywords

Acknowledgement

Grant : 지리산 반야봉 지역 구상나무 쇠퇴 및 입지조건별 토양특성 분석 연구

Supported by : 국립산림과학원