Chemical Characteristics of Rainfall and Throughfall in Pinus koraiensis and Larix leptolepis Forests in Korea

  • Kim, Min-Sik (Graduate School of Bioagricultural Sciences, Nagoya University) ;
  • Takenaka, Chisato (Graduate School of Bioagricultural Sciences, Nagoya University) ;
  • Park, Ho-Taek (Graduate School of Bioagricultural Sciences, Nagoya University) ;
  • Chun, Kun-Woo (Department of Forestry, College of Forest Sciences, Kangwon National University)
  • Received : 2004.11.11
  • Accepted : 2004.12.29
  • Published : 2005.04.30

Abstract

This study evaluated the chemical characteristics of rainfall and throughfall in Pinus koraiensis and Larix leptolepis forests. We analyzed pH, EC, and concentrations of cations and anions in rainfall, throughfall and stemflow collected from both forest types in the experimental forests of the central Korea. The concentrations of chemical elements were much higher in throughfall and stemflow than in rainfall for both forest types, and were significantly different among the seasons. Comparing the chemical elements between the P. koraiensis and L. leptolepis plantations, there were not significantly differences in throughfall, but the concentrations of almost elements of stemflow in P. koraiensis were almost lower than those in L. leptolepis. For seasonal inputs to the forest floor, more than half of the total input of $Ca^{2+}$, ${NO_3}^-$and ${SO_4}^{2-}$ was observed in spring. This suggests that air pollutants such as NOx and SOx accompanying calcium-rich aeolian Yellow Sand (Asian dust) from China could have an important influence on nutrient cycles in Korean forests.

Keywords

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