Journal of agriculture & life science (농업생명과학연구)

Institute of Agriculture & Life Science, Gyeongsang National University (경상대학교 농업생명과학연구원)
권호 표지

Community Structure of Pinus thunbergii Stand in the Eastern Coast of Gyeongsangbuk-do

경상북도 동해안 곰솔림의 군집구조

  • Received : 2012.05.25
  • Accepted : 2012.08.28
  • Published : 2012.08.30
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Abstract

This study was conducted to provide basic data for the effective conservation and management in the black pine(Pinus thunbergii) stand which is located in the eastern coast of Gyeongsangbuk-do where the fragmentation of vegetation has been caused by the exploitation and the increase of tourists, and installed the seventy study sites($20{\times}20m$) in the dominant black pine stand. The black pine stand was classified into three groups(P. thunbergii - P. densiflora community, P. thunbergii - Robinia pseudoacacia community, P. thunbergii - P. densiflora-Celtis sinensis community) by a cluster analysis. As a result of Multi-Response Permutation Procedures test, there is significance among the communities. Pinus densiflora, Callicarpa japonica, Juniperus rigida, Rhododendron yedoense for. poukhanense etc. nineteen species were significant by indicator species analysis. The population structure of black pine stand showed that the class of diameter 12 to 26 cm was dominance, which had the inverse hump-shape pattern. Species diversity index(H') of investigated ranged from $1.033{\pm}0.234$ to $1.629{\pm}0.226$ in the woody layer group and from $2.448{\pm}0.457$ to $2.545{\pm}0.318$ $2.174{\pm}0.333$ in the herb layer group.

본 연구는 관광객의 증가 및 개발로 인해 식생의 파편화가 진행되고 있는 해안 곰솔림을 대상으로 효율적인 보전과 관리를 위한 기초자료를 제공하기 위하여 곰솔 우점림에 조사구 70개($20{\times}20m$)를 설치하여 수행하였다. 경상북도 동부 해안가 곰솔림의 군집분석 결과 곰솔림은 3개의 군집(곰솔-소나무군집, 곰솔-아까시나무군집, 곰솔-소나무-팽나무군집)으로 구분되었으며, 다수응답순열절차 검정 결과, 군집은 유의성 있게 나타났다. 지표종 분석 결과, 유의한 종은 소나무, 작살나무, 노간주나무, 산철쭉 등 19종이 분석되었다. 곰솔림의 개체군 구조는 12~26 cm의 직경급이 우점하는 것으로 나타났으며 고봉형 양상(hump-shape pattern)으로 나타났다. 종다양도(H')는 목본층에서 $1.033{\pm}0.234{\sim}1.629{\pm}0.226$, 초본층에서 $2.448{\pm}0.232{\sim}2.545{\pm}0.318$ 사이로 나타났다.

Keywords

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