월악산 굴참나무림의 낙엽생산과 낙엽을 통한 영양염류 이입량

Litter Production and Nutrient Input via Litterfall in Quercus variabilis Forest at Mt. Worak National Park

  • 투고 : 2010.12.03
  • 심사 : 2011.07.09
  • 발행 : 2011.08.31

초록

월악산 국립공원 내의 굴참나무림에서 2005년 5월부터 2009년 4월까지 4년 동안 월별 낙엽 생산량과 낙엽을 통해 임상에 이입되는 영양염류의 양을 조사하였다. 2005, 2006, 2007, 2008년의 낙엽생산량은 각각 5.181, 5.372, 5.314, 5.361 ton $ha^{-1}yr^{-1}$이었으며, 4년 동안의 평균 낙엽생산량은 5.307${\pm}$0.09 ton $ha^{-1}yr^{-1}$이었다. 조사기간 동안 낙엽 구성원 중 잎, 가지, 생식기관 그리고 기타가 차지하는 비율은 각각 67.5${\pm}$1.9, 13.3${\pm}$0.8, 10.1${\pm}$0.5, 9.1${\pm}$1.2%로 잎이 차지하는 비율이 가장 높았다. 조사지소에서 4년 동안 낙엽을 통해 임상에 이입되는 질소, 인, 칼륨, 칼슘 그리고 마그네슘의 평균 이입량은 각각 44.47${\pm}$6.70, 2.50${\pm}$0.25, 12.26${\pm}$0.30, 17.23${\pm}$2.32, 9.56${\pm}$0.54 kg $ha^{-1}yr^{-1}$이었다.

Litter production, nutrient concentration of each component of litterfall and amount of nutrients input to forest floor via litterfall were investigated for four years from May 2005 through April 2009 in Quercus variabilis forest at Mt. Worak National Park. Amount of litterfall in 2005, 2006, 2007, 2008 were 5.181, 5.372, 5.314, 5.361 ton $ha^{-1}yr^{-1}$, respectively. Average amount of litterfall for four years was 5.307${\pm}$0.09 ton $ha^{-1}yr^{-1}$. Average percentage of leaf litter, branch and bark, reproductive organ and the miscellaneous for four years were 67.5${\pm}$1.9, 13.3${\pm}$0.8, 10.1${\pm}$0.5 and 9.1${\pm}$1.2%, respectively. Average amount of N, P, K, Ca and Mg returned to forest floor via litterfall for four years in this Q. variabilis forest were 44.47${\pm}$6.70, 2.50${\pm}$0.25, 12.26${\pm}$0.30, 17.23${\pm}$2.32 and 9.56${\pm}$0.54 kg $ha^{-1}yr^{-1}$, respectively.

키워드

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