강원도 중왕산 지역에서 5개 수종의 임외강우와 수간류의 수량 및 수질특성(I) - pH값을 중심으로 -

Characteristics of Quantiy and Quality for Bulk Precipitation and Stemflow of 5 Tree Species in Mt. Joongwang, Gangwon-do - A Centering Around the pH Value -

  • 정문호 (광해방지사업단 기술연구센터) ;
  • 이광수 (국립산림과학원 산림생산기술연구소)
  • Jung, Mun Ho (Technology Research Center, Mine Reclamation Corporation Coal Center) ;
  • Lee, Kwang Su (Forest Practice Research Center, Korea Forest Research Institute)
  • 투고 : 2008.02.21
  • 심사 : 2008.04.22
  • 발행 : 2008.06.29

초록

본 연구는 산림생태계내 물질순환의 한 경로인 수간류를 대상으로 수종에 따른 수간류량과 pH값의 특성을 살펴보기 위해 강원도 평창군에 위치한 중왕산 지역에서 2004년과 2005년에 매년 6월부터 10월까지 임외강우와 활엽수종인 신갈나무, 거제수나무, 음나무, 물푸레나무와 대표적 조림수종인 낙엽송 등 5개 수종의 수간류의 유입량과 pH값을 분석하였다. 수종별 수간류량은 신갈나무에서 조사기간 동안 9.9 mm가장 많았고, 거제수나무, 음나무, 낙엽송, 물푸레나무가 각각 7.5 mm, 5.9 mm, 3.8 mm, 3.2 mm였다. 임외강우량이 증가할수록 수간류량도 증가하였으며, 단기간 집중호우가 많이 발생한 2004년에 임외강우의 증가에 따른 수간류의 증가량이 적게 나타났다. 각 수종별 수간류의 pH값은 물푸레나무에서 평균 5.56으로 가장 높았으며, 음나무 5.64, 거제수나무 5.80, 신갈나무 5.91, 낙엽송 5.25 순이었다. 대체로 임외강우의 pH값이 증가함에 따라 수간류의 pH값도 증가하였으며, 임외강우의 평균 pH값은 6.39로 모든 수종의 pH값이 임외강우의 pH값보다 낮았다.

The objectives of this study were to investigate inputs and pH values of stemflow of bulk precipitation and 5 tree species (Deciduous species : Quercus mongolica, Betula costata, Kalopanax septemlobus, Fraxinus rhynchophylla, Plantation species : Larix kaempferi), in Mt. Joongwang, Pyongchang-gun, Gangwondo, from June to October in 2004 and 2005. The amount of stemflow during study period was the greatest in Q. mongolica (9.9 mm), and B. costata (7.5 mm), K. setemlobus (5.9 mm), L. kaempferi (3.8 mm), F. rhynchophylla (3.2 mm), respectively. Stemflow of each species increased with bulk precipitation. Increment with bulk precipitation was smaller in 2004 when the intense bulk precipitation occurred more. pH values of stemflow was the highest in F. rhynchophylla (5.91), and K. setemlobus (5.64), B. costata (5.80), Q. mongolica (5.56), L. kaempferi (5.25), respectively. Generally, pH values of stemflow of all species increased with bulk precipitation pH value, and lower than that (6.39).

키워드

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