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Forest Type Classification and Ecological Characteristics for Areas of Cheonwangbong, Songnisan

속리산 천왕봉 일대의 산림형 분류와 생태적 특성

  • Chung, Sang Hoon (Forest Practice Research Center, Korea Forest Research Institute) ;
  • Hwang, Kwang Mo (Department of Forest Management, Kangwon National University) ;
  • Sung, Joo Han (Forest Ecology Division, Korea Forest Research Institute) ;
  • Kim, Ji Hong (Department of Forest Management, Kangwon National University)
  • 정상훈 (국립산림과학원 산림생산기술연구소) ;
  • 황광모 (강원대학교 산림경영학과) ;
  • 성주한 (국립산림과학원 산림생태연구과) ;
  • 김지홍 (강원대학교 산림경영학과)
  • Received : 2015.05.13
  • Accepted : 2015.07.06
  • Published : 2015.09.30

Abstract

We classified the forest type and figured out the ecological characteristics for each of the types in order to provide the basic informations for being induced ecologically efficient forest practice plan by vegetation units in the natural forest of Songnisan. We established the 250 sample points and collected the vegetation data of vertical distribution for each sample. A variety of multivariate statistical methods were applied to classify the forest types. The species diversity index were analyzed to estimate the stability and maturity for forest vegetation in each the type. The types were divided from two to ten clusters by cluster analysis. The appropriate number of clusters was estimated five clusters by indicator species analysis. It was verified through the multiple discriminant analysis that the estimated number of clusters had been suitable. Based on the species composition for each the type, this study site was classified into five forest types: 1) Quercus serrata and 2) mixed mesophytic forest in the valley area, 3) Q. mongolica forest in the main ridge, 4) Pinus densiflora forest in the sub-ridge extending from the main, and 5) Q. variabilis-P. densiflora forest between the sub-ridge and valley. The species diversity index of the pine forest that had been a simple species composition was the lowest while that of the mixed mesophytic forest of which the composition had been diverse was the highest. As the forest vegetation was more varied, the index showed a tendency to increase.

속리산 천왕봉 일대의 천연림을 대상으로 식생 단위별 생태적 시업방안을 도출하기 위한 기초자료를 제공하기 위해 산림형을 구분하고 각 산림형별로 생태적 특성을 파악하였다. 사분각법을 적용하여 250개의 표본점을 추출하였고, 각 표본점 마다 층위별 식생자료를 수집하였다. 연구대상지의 산림형을 구분하기 위해 다양한 다변량 통계분석 기법을 이용하였으며, 산림형별 식생의 안정성과 성숙도를 파악하기 위해 종다양성지수를 분석하였다. 군집분석을 통해 2~10개의 Cluster로 산림형을 분류하였고, 지표종분석으로 적절한 Cluster의 수를 5개로 추정하였으며, 다중판별분석으로 추정된 Cluster 수가 적절했음을 검증하였다. 5개의 산림형별로 수종구성을 분석한 결과, 계곡부에서는 졸참나무림과 중생혼합림, 능선부에서는 신갈나무림, 주능선에서 뻗어 나온 보조능선부에서는 소나무림, 보조능선과 계곡부 사이에서는 굴참나무-소나무림 등으로 분류되었으며, 전체적으로 참나무류와 소나무가 우점하는 것으로 나타났다. 상층의 수종 구성이 단조로운 소나무림의 종다양성지수가 가장 낮았던 반면, 식생 구성이 다양한 중생혼합림의 경우 종다양성지수가 가장 높은 것으로 나타나 식생구성이 다양할수록 종다양성지수가 증가하는 양상을 보였다.

Keywords

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