The Korean Journal of Ecology

The Ecological Society of Korea (한국생태학회)
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Ions Dynamics in the Rainfall, Throughfall, Stemflow and Soil Solution of Red Pine (Pinus densiflora) Stands at Chunchon

춘천지방 소나무림에서 임내우 및 토양수내 이온동태

  • 유정환 (임업연구원 산림환경부) ;
  • 김영걸 (임업연구원 산림환경부) ;
  • 이충화 (임업연구원 산림환경부) ;
  • 변재경 (임업연구원 산림환경부) ;
  • 최경 (임업연구원 산림환경부) ;
  • 오정수 (임업연구원 산림환경부)
  • Published : 2000.10.01
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Abstract

This study was conducted to determine the ions dynamics in rainfall, throughfall, stemflow and soil solution of Pinus densiflora stands at Chunchon, Kangwon-Do. Ion concentration of stemflow was greater than that of rainfall and throughfall. The EC values of rainfall, throughfall and stemflow were 15.3 μS/cm, 23.9 μS/cm and 55.9 μS/cm, respectively. Average pH of soil solution was 4.8, 5.4, 5.5 and 5.8 at 10, 20, 30 and 50 cm depth, respectively. The cations were higher in K/sup ＋/ and Ca/sup 2＋/ for rainfall, throughfall and stemflow, and in Ca/sup 2＋/ for soil solution. The anions were higher in SO₄/sup 2－/ for rainfall, throughfall and stemflow, and in NO₃/sup －/ for soil solution.

본 연구는 강원도 춘천지방의 소나무임분을 대상으로 임내우와 토양수의 이온동태 특성을 알아보기 위하여 1998년 4월부터 10월까지 수행되었다. 임외우, 수관통과우, 수간류의 평균 pH는 수간류가 4.8로 가장 낮았으며 토양수 pH는 심토층으로 내려갈수록 높았다. 전기전도도는 수간류가 55.9 μS/cm로 가장 높았고, 토양수에서는 심토층으로 내려갈수록 낮아졌다. 양이온은 임외우·임내우에서 K/sup ＋/, Ca/sup 2＋/, 토양수는 Ca/sup 2＋/, 음이온은 임외우·임내우는 SO₄/sup 2－/, 토양수 NO₃/sup －/가 가장 높았다.

Keywords

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