Plant Community Structure and Change of Pinus densiflora S. et Z. Forest for Twenty-two Years (1988~2010) in Yongmun-sa (Temple) Valley, Yangpyeong-gun, South Korea

용문사 계곡 소나무림의 식물군집구조 및 22년간(1988~2010년) 변화 분석

  • Jang, Jae-Hoon (Dept. of Landscape Architecture, Graduate School, Univ. of Seoul) ;
  • Han, Bong-Ho (Dept. of Landscape Architecture, Univ. of Seoul) ;
  • Choi, Tae-Young (Dept. of Landscape Architecture, Graduate School, Univ. of Seoul) ;
  • Lee, Kyong-Jae (Dept. of Landscape Architecture, Univ. of Seoul)
  • 장재훈 (서울시립대학교 대학원 조경학과) ;
  • 한봉호 (서울시립대학교 조경학과) ;
  • 최태영 (서울시립대학교 대학원 조경학과) ;
  • 이경재 (서울시립대학교 조경학과)
  • Received : 2013.04.10
  • Accepted : 2013.06.17
  • Published : 2013.06.30

Abstract

This study was carried out to provide basic data for conservation management of Pinus densiflora forest and to predict ecological succession tendency by analyzing plant community structure and change of Pinus densiflora community structure for twenty two years in Yongmun-sa (Temple) Valley, Yangpyeong-gun. According to the analysis of actual vegetation, Pinus densiflora community accounted for 51.3% of the total vegetation in the area. Nineteen plots were classified into four community types. The Shannon's species diversity index (H') showed from 0.5110 to 1.3101. There were distributed Pinus densiflora in age from 48 to 89, Quercus serrata in age from 31 to 63, Carpinus laxiflora in age from 26 to 61. According to the analysis of the change for twenty-two years, Pinus densiflora community was maintained or decreased and competitive species (Quercus serrata, Carpinus laxiflora, Carpinus cordata) were increased. The ecological succession tendency was predicted Pinus densiflora community develop into Quercus serrata, lastly into Carpinus laxiflora and Carpinus cordata.

본 연구는 용문사 계곡의 소나무림을 대상으로 식물군집구조를 규명하고 22년간의 식생구조 변화를 비교 분석하여 천이경향 예측과 효율적인 소나무림의 보전관리방안 수립을 위한 기초자료를 제공하고자 수행하였다. 현존식생 분석결과 능선과 사면에 소나무군락(51.3%)이 넓게 분포하였고, 계곡부에 졸참나무-굴참나무군락(15.5%), 졸참나무군락(7.1%), 용문사 동측 사면에 졸참나무-소나무군락(7.2%)이 분포하였다. 19개 조사구(단위면적: $400m^2$)를 설정하여 TWINSPAN에 의한 classification 분석을 실시한 결과, 아교목층에서 졸참나무와 당단풍나무가 우점하는 소나무-졸참나무군집(I), 아교목층에서 서어나무와 까치박달이 우점하는 소나무군집(II), 아교목층에서 졸참나무와 서어나무가 우점하고 있는 소나무-졸참나무군집(III), 아교목층에서 서어나무와 당단풍나무가 우점하고 있는 소나무군집(IV)의 4개 유형으로 분류되었다. Shannon의 종다양도지수(H')는 0.5110~1.3101, 소나무 수령 48~89년생, 졸참나무 31~63년생, 서어나무 26~61년생이었다. 22년간 변화를 분석한 결과 소나무는 세력 유지 또는 약화되었고, 경쟁관계에 있는 졸참나무, 서어나무, 까치박달의 세력이 증가하였다. 용문사 계곡 소나무림의 천이 경향은 소나무림${\rightarrow}$졸참나무${\rightarrow}$까치박달, 서어나무로 예측되었으며, 지속적인 소나무림 유지관리를 통한 소나무 보존이 필요하였다.

Keywords

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