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Stand Structure of Actual Vegetation in the Natural Forests and Plantation Area of Mt. Janggunbong, Bonghwa-Gun

봉화군 장군봉 일대 천연림과 인공조림지내 현존식생의 임분구조

  • 변성엽 (공주대학교 산림자원학과) ;
  • 윤충원 (공주대학교 산림자원학과)
  • Received : 2016.10.23
  • Accepted : 2016.12.20
  • Published : 2016.12.30

Abstract

The purpose of this study was to provide basic information on ecological forest management in Janggunbong, Bonghwa-Gun. Vegetation data were collected from Janggunbong, Bonghwa-Gun, from July, 2014 to October, 2015. We carried out an analysis of vegetation types on the physiognomically dominant species of 111 quadrates. In the natural forest area, the vegetation community was classified into Quercus mongolica, Betula schmidtii, Pinus densiflora, Quercus variabilis and Tilia amurensis. In the plantation area, the vegetation community was classified into Pinus koraiensis, Larix kaempferi, Fraxinus rhynchophylla and Betula platyphylla var. japonica. Based on the analysis of the importance value of the species in the slope area, it was seen that the tree layers of the natural forest were dominated by Quercus mongolica at 44.3, and Pinus densiflora at 12.1. The importance values of the subtree layer of the natural forest were found to be 27.6 for Quercus mongolica, and 12.4 for Fraxinus sieboldiana. Also, the importance values of the tree layers in the plantation areas were found to be 22.6 for Pinus koraiensis, 15.4 for Larix kaempferi, and 13.3 for Fraxinus rhynchophylla, while those of the subtree layers of the plantation area were found to be17.9 for Quercus variabilis, 14.1 for Parthenocissus tricuspidata, and 10.4 for Quercus mongolica in that order. Vine plants showed higher importance values in the plantation area than in the natural forest area. Species diversity in the valley area was 2.334 in the natural forest area, and 1.734 in the plantation area. That of natural forest area was 1.931, and that of plantation area was 1.927 in slope area. For management of the forest vegetation in Mt. Janggunbong, a distinct forest management plan, customized for each topography and physiognomical community unit should be made Particularly, the administration is required to consider strategies to reduce the higher importance value for vine plants in the plantation areas.

경상북도 봉화군 장군봉 현존식생의 임분구조 특성을 규명하여 생태적 산림관리를 위한 기초정보를 제공하기 위해 2014년 7월부터 2015년 10월까지 식생조사를 실시하였다. 총 111개소의 식생조사자료를 토대로 상관우점종에 의한 식생유형을 분석한 결과, 천연림에서 신갈나무군락, 박달나무군락, 소나무군락, 굴참나무군락, 피나무군락으로 분류되었고, 인공조림지에서 잣나무군락, 일본잎갈나무군락, 물푸레나무군락, 자작나무군락으로 분류되었다. 중요치 분석 결과, 천연림의 사면부는 교목층에서 신갈나무 44.3, 소나무 12.1 등의 순으로, 아교목층에서는 신갈나무 27.6, 쇠물푸레 12.4 등의 순으로 각각 나타났고, 인공조림지의 사면부는 교목층에서 잣나무 22.6, 일본잎갈나무 15.4, 물푸레나무 13.3 등의 순으로, 아교목층에서 굴참나무 17.9, 담쟁이덩굴 14.1, 신갈나무 10.4 등의 순으로 각각 나타났으며, 덩굴성 식물의 중요치가 천연림에 비하여 인공조림지에서 높았다. 종다양성 지수는 계곡부에서는 천연림 2.334, 인공조림지 1.734, 사면부에서는 천연림 1.931, 인공조림지 1.927으로 각각 나타났다. 장군봉 일대 산림식생의 관리를 위해서는 지형과 상관군락단위별 차별화된 관리방법이 필요하고, 특히 인공조림지 내 덩굴식물의 높은 중요치를 줄일 수 있는 관리방안 등이 필요할 것으로 사료되었다.

Keywords

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