한국농림기상학회지, 제 9권 제1호(2007) (pISSN 1229-5671, eISSN 2288-1859)
Korean Journal of Agricultural and Forest Meteorology, Vol. 9, No. 1, (2007), pp. 61~70
DOI: 10.5532/KJAFM.2007.9.1.061
ⓒ Author(s) 2014. CC Attribution 3.0 License.

우리나라 참나무 천연림에 있어서 임내우의 수량변화 및 양분동태

진현오(1), 손요환(2)
(1)경희대학교 생태시스템공학과, (2)고려대학교 환경생태공학부

(2007년 02월 22일 접수; 2007년 03월 09일 수락)

Nutrient Dynamics and Water Quantity of Throughfall
and Stemflow in Natural Oak Stands in Korea

Hyun-O Jin(1), Yowhan Son(2)
(1)Department of Ecosystem Engineering, Kyung Hee University, Suwon, Korea
(2)Division of Environmental Science and Ecological Engineering, Korea University, Seoul, Korea

(Received February 22, 2007; Accepted March 09, 2007)

This study was conducted to investigate nutrient dynamics and water quantity of throughfall and stemflow in natural oak stands in Korea. The ratio of the total throughfnll and stemflow to the amount of precipitation varied with locations. It was considered that the ratio was affected not only by the characteristics of tree species but also by regional, weather and other environmental conditions. It was, therefore, necessary to set up a water control system to launch a tending project for natural oak stands. Comparisons of nutrient amount in throughfall among regions reflected regional characteristics. Ca2+, Mg2+ and K+ ions were leached from the canopy and yellow sand accumulation. Na+ and Cl- were marine-borne. NO3- and SO42- resulted from dry deposition of air pollutants. Nutrient amount in the stemflow was as low as about 10% of that in the total throughfall and stemflow. The pH of stemflow in natural oak stands in urban areas ranged from 3 to 5. Influx of the acidic stemflow to soil could, in the long term, affect pH in soil solution and nutrient dynamics around root zones.

Keyword: Nutrient dynamics, Water quantity, Throughfall, Stemflow, Nature oak stands



본 연구는 우리나라에 분포하고 있는 참나무 천연림을 대상으로 강우의 이동에 따른 임내우(수관통과우 및 수간류)의 수량변화 및 양분동태를 분석하였다.
임외우량에 대한 임내우량의 비율은 지역에 따라 차이를 보였는데 이는 수종특성 외에 입지조건이나 기상조건 등의 복합적인 요인에 크게 영향을 받고 있다고 판단된다. 따라서, 앞으로 참나무 천연림의 보육시업을 실시하는데 있어서 지역별 수자원 관리 체계를 수립할 필요가 있다고 생각된다.
지역에 따른 수관통과우의 양분 유입량을 비교한 결과, Ca2+, Mg2+ 및 K+는 수체로부터의 용탈과 황사 발생에 의한 집적, Na+와 Cl-은 해염성 기원물질, NO3-와 SO42-는 대기오염물질의 건성침착 등의 영향에 의한 지역적 특성을 크게 반영하고 있었다.
수간류의 양분물질량은 임내우(수관통과우+수간류) 물질량의 10% 전후의 작은 값을 나타내었다. 그러나 도시지역 참나무 천연림에 있어서는 수간류의 pH가 3~5의 범위에 분포하고 있어 이러한 수간류의 토양유입은 장기적으로는 근계 주변 토양 및 토양수의 pH와 양분동태에 크게 영향을 미칠 것이라 생각된다.


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