The Korean Journal of Ecology

The Ecological Society of Korea (한국생태학회)
권호 표지

Biomass Changes of a Human-influenced Pine Forest and Forest Management in Agricultural Landscape System

인간간섭하의 소나무림의 현존량변화와 농촌경관시스템내에서의 산림관리

  • Hong, Sun-Kee (Department of Environmental Studies, Hiroshima University, Higashi-Hiroshima 739 Japan) ;
  • Nobukazu Nakagoshi (Department of Environmental Studies, Hiroshima University, Higashi-Hiroshima 739 Japan)
  • Published : 1996.08.01
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Abstract

It is necessary to obtain information about the productivity of the human-influenced forest and to understand the consumption of biomass resources in secondary forest in order to examine the resource flux by human activity in rural landscape. Thus the aims of this study were to elucidate the biomass and their use of secondary Pinus densiflora forests and to discuss sustainable utilization of secondary forests in rural landscape system. This study was carried out in Yanghwa-ri, Kongjugun, Chungcheongnam-do, central Korea. The changes of growth rate and aboveground biomass of a pine forest for 2 years were analyzed to understand forest management regimes in rural pine forests. Through allometric equations deduced from 25 sample trees, biomass was estimated. The biomass increase of pine forest was approximately 16.36 t/ha/yr in the unexploited stand and 12.24 t/ha/yr in the exploited stand. These were nearly equal to those of natural pine forests in central Korea. This result proved that human-influenced pine forest in rural landscape as well as the natural one has high potentiality to provide forest products. Making graveyard in forest-land was the important disturbance and land-use which currently occurring in rural landscape in the study area. Finally, we presented some forest management for stutainable and positive uses of secondary forests as one of the local energy resources in terms of the holistic landscape-ecological view.

Keywords

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