한국토양비료학회지 (Korean Journal of Soil Science and Fertilizer)

  • 제40권2호
  • /
  • Pages.136-144
  • /
  • 2007
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  • 0367-6315(pISSN)
  • /
  • 2288-2162(eISSN)
한국토양비료학회 (Korean Society of Soil Science and Fertilizer)
권호 표지

강원도 중왕산 지역 낙엽활엽수림과 낙엽송 조림지에서 수관통과우와 수간류 및 낙엽낙지에 의한 양분 유입의 차이

Differences of Nutrient Input by Throughfall, Stemflow and Litterfall between Deciduous Forest and Larix kaempferi Plantation in Mt. Joonwang, Kangwon-do

  • 정문호 (서울대학교 농업생명과학대학 산림과학부) ;
  • 이돈구 (서울대학교 농업생명과학대학 산림과학부) ;
  • 엄태원 (상지대학교 생명자원과학대학 산림과학과)
  • Jung, Mun-Ho (Department of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University) ;
  • Lee, Don-Koo (Department of Forest Sciences, College of Agriculture and Life Sciences, Seoul National University) ;
  • Um, Tae-Won (Department of Forest Sciences, College of Life Science & Natural Resources, Sangji University)
  • 투고 : 2006.11.07
  • 심사 : 2007.01.05
  • 발행 : 2007.04.30
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초록

본 연구는 낙엽활엽수림과 낙엽송 조림지에서 양분 유입의 차이를 알아보고자 강원도 평창군에 위치한 중왕산 지역에서 임내강우와 임외강우, 낙엽낙지에 의한 양분 유입량과 토양수 내 양분 농도를 조사하였다. 조사 기간동안 연평균 강우 차단율은 낙엽활엽수림에서 12%, 낙엽송 조림지에서 36%로 낙엽송 조림지에서 높았다. 수관통과우 내 양이온 농도는 차이를 보이지 않았으나, 음이온 농도는 낙엽송 조림지에서 더 높았으며, 수간류에서는 $Cl^-$ 이온이 낙엽송 조림지에서 높았으며, 다른 이온은 차이를 보이지 않았다. 수관통과우와 수간류에 의한 양분 유입량은 $Cl^-$ 이온을 제외한 다른 이온들의 유입량이 낙엽송 조림지보다 낙엽활엽수림에서 더 많았다. 토양수 내 이온 농도는 A층에서는 $Cl^-$, $NO_3{^-}$, $SO{_4}^{2-}$ 이온이, B층에서는 $Ca^{2+}$, $Cl^-$ 이온이 낙엽송 조림지에서 다소 높았다. 연간 낙엽낙지량은 낙엽활엽수림에서 $2,589kg\;ha^{-1}$로, 낙엽송 조림지의 $1,046kg\;ha^{-1}$보다 많은 유입량을 보였다. 낙엽낙지내 이온 함유량은 N의 경우 낙엽송 조림지와 낙엽활엽수림에서 각각 1.6%와 1.1%로 낙엽송 조림지에서 더 높았으나, 양이온 함량은 낙엽활엽수림에서 더 높았다. 낙엽낙지에 의한 양분 유입량은 N의 경우, 낙엽활엽수림에서 $36.81kg\;ha^{-1}yr^{-1}$, 낙엽송 조림지에서 $16.16kg\;ha^{-1}yr^{-1}$였으며, 양이온의 유입량 역시 낙엽활엽수림에서 많았다. 이를 종합해 볼 때, 본 연구에서 수관통과우와 수간류 및 낙엽낙지에 의한 양분유입량은 낙엽활엽수림에서 더 많은 것으로 나타났다.

The objectives of this study were to compare nutrient input by throughfall, stemflow and litterfall and concentration of nutrient in soil water between deciduous forest stand and Larix kaempferi plantation at Mt. Joongwang, Pyongchang-gun, Gangwon-do. The amount of rainfall interception during study period in deciduous forest stand and L. kaempferi plantation was 12% and 36%, respectively. Concentrations of cation ($Na^+$, $Mg^{2+}$, $K^+$ and $Ca^{2+}$) in throughfall were not different, while concentration of $Cl^-$ in stemflow was higher in L. kaempferi plantation. The results indicated that annual nutrient inputs by rainfall with the exception of $Cl^-$ were significantly greater in deciduous forest stand. In soil water, concentrations of anion ($Cl^-$, $NO_3{^-}$ and $SO{_4}^{2-}$) in A-layer, and $Ca^{2+}$ and $Cl^-$ in B-layer were higher in L. kaempferi plantation. Litterfall input during study period was $2,589kg\;ha^{-1}$ in deciduous forest stand and $1,046kg\;ha^{-1}$ in L. kaempferi plantation. Concentration of N was higher in L. kaempferi plantation, while N input from litterfall was greater in the deciduous forest stand ($36.81kg\;ha^{-1}yr^{-1}$) than L. kaempferi plantation ($16.16kg\;ha^{-1}yr^{-1}$). $Na^+$, $Mg^{2+}$, $K^+$ and $Ca^{2+}$ in litterfall collected from deciduous forest stand were found to be higher than those from the L. kaempferi plantation. Also, input of those were greater in deciduous forest stand. Thus, total nutrient input by throughfall, stemflow and litterfall was greater in deciduous forest stand than L. kaempferi plantation, significantly.

키워드

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