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The Analysis of Vegetation Clustering and Stand Structure for Thuja orientalis Forest in Dodong, Daegu

대구 도동측백나무림의 식생군집 분류 및 임분 특성 분석

  • Park, Byeong-Joo (Department of Forestry, Kyoungpook National University) ;
  • Kim, Jae-Jin (Department of Forestry, Kyoungpook National University) ;
  • Lee, Dong-Jin (Department of Forestry, Kyoungpook National University) ;
  • Joo, Sung-Hyun (Department of Forestry, Kyoungpook National University)
  • Received : 2015.01.23
  • Accepted : 2015.11.23
  • Published : 2015.12.31

Abstract

This study was investigated to analyze stand structure in Daegu Dodong T.orientalis Forest for conservation Thuja orientalis forest. Results of cluster analysis, it was classified to Quercus variabilis group(A), Quercus variabilis-Quercus mongolica group(B), Pinus densiflora group(C), Thuja orientalis group(D). Charaters of location environments for D group were analyzed that altitude 99.3 m, slope $59^{\circ}$, rock exposure 68.3%, BHA $21.8m^2/ha$ and North West aspects. The MRPP-test, It classified groups, appropriately. Importance value of D group was T. orientalis 85.42, Q. variabilis 1.28, P.densiflora 1.30, Fraxinus rhynchophylla 3.56 etc. DBH classes of D group were expressed inverted-J-shaped curve. H' was resulted in 0.600~0.834, H'max 1.317~1.466, J' 0.456~0.594, D' 0.405~0.544. Indecator species Analysis were conducted that woody plants were 4 taxa, Herbal plants 9 taxa.

본 연구는 대구 도동측백나무림을 보전하기 위한 기초 자료를 확보할 목적으로 식생군집 분류 및 임분 특성을 분석하였다. 유집 분석 결과, 굴참나무 군집(A), 굴참나무-신갈나무 군집(B), 소나무 군집(C), 측백나무 군집(D)으로 분류되었으며, D군집의 입지환경은 해발고도가 99.3 m, 경사도 $59^{\circ}$, 암석노출도는 68.3%, 흉고단면적은 $21.8m^2/ha$이며 사면방위는 북서사면이었다. MRPP-test 결과 적절한 군집으로 분류되었다. 중요치는 D군집에서 측백나무는 85.4%, 굴참나무 1.3%, 소나무 1.3%, 물푸레나무 3.6% 등으로 나타났으며, 대표수종의 흉고직경급 분석 결과 측백나무는 역J자형곡선으로 나타났다. 종다양도(H')는 0.600~0.834, 최대종다양도(H'max) 1.317~1.466, 균재도(J') 0.456~0.594, 우점도(D')는 0.405~0.544로 분석되었다. 지표종 분석 결과 목본류 4분류군, 초본류 9분류군으로 나타났다.

Keywords

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