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정진현 ( Jin Heon Jeong ),김춘식 ( Choon Sig Kim ),구교상 ( Kyo Sang Goo ),이충화 ( Choong Hwa Lee ),원형규 ( Heong Gyu Won ),변재경 ( Je Geong Byun ) 한국산림과학회 2003 한국산림과학회지 Vol.92 No.3
This study was performed to determine the Physicochemical properties of Korean forest soils by parent rock types (Igneous, Metamorphic, Sedimentary rocks) sampled from 915 soil profiles (A horizon : 810, B horizon : 915) between 1984 and 1990. The variables of soil physiochemical were properties significantly correlated among each rock type (P<0.05). Solid percentage in A horizon was significantly correlated (r=0.1384~o,3247) with sand percentage, but particle density was not correlated with soil particle size distribution and soil three phases. Soil pH exhibited high significant correlation (r=0.2283~0.8307) with exchangeable cations (K^+, Na^+, Ca^2+, Mg^2+) in A horizon. Soil chemical properties of B horizon showed similar correlation trends except for metamorphic rocks. Dominant soil texture of two soil horizons (A, B) was loam except for silt loam of A horizon in sedimentary rocks. Soil bulk density in A horizon was 0.84g/cm^3 in metamorphic rocks, 0.91g/cm^3 igneous rocks and 0.97 g/cm^3 sedimentary rocks. Soil particle density was not significantly different among three parent rock types (2.52~2.54 g/cm^3 A horizon and 2.60~2.62g/cm^3 in B horizon). Soil pH in A horizon was pH 5.94 in sedimentary rocks, followed by pH 5.50 in igneous rocks and pH 5.34 in metamorphic rocks. The lowest value in organic matter content was 3.12% in sedimentary rocks, followed by 4.55% in igneous rocks and 4.74% in metamorphic rocks. Available phosphorus was significantly lower in sedimentary rocks (13.2m9/kg) than in metamorphic rocks (27.4mg/kg) and in igneous rocks (28.7mg/kg). Cation exchange capacity (CEC) was 10.34cmol_c/kg in sedimentary rocks. followed by 12.44cmol_c/kg in metamorphic rocks and 13.24coml_c/kg in igneous rocks. Exchangeable cations in A horizon were higher in sedimentary rocks than in igneous or metamorphic rocks. The Korea forest soils by parent rock types showed similar physicochemical properties between igneous and metamorphic rocks, but soil properties of sedimentary rocks were significantly different in soil particle size distribution, soil bulk density, soil pH, organic matter content, total nitrogen, available phosphorus, CEC, Na^+, Ca^2+, Mg^2+, total base, and base saturation compared with both igneous and metamorphic rock types.
김춘식(Choon Sig Kim),유장환(Jung Hwan Yoo),변재경(Jae Kyoung Byun),정진현(Jin Heon Jeong),이봉수(Bong Soo Lee) 한국산림과학회 1999 한국산림과학회지 Vol.88 No.1
Distribution of heavy metal (Zn, Pb, Cu, Cd) concentrations within forest soils was investigated in Mts. Surak and Bulam around the outskirt area, and Mts. Bukak and Inwang around the downtown area of Seoul. Metal concentrations in these soils were higher in the A horizons than in the B horizons. The mean concentrations of Zn, Pb, Cu, and Cd in the A horizons were 4.39 ㎎/㎏, 9.09 ㎎/㎏, 1.67 ㎎/㎏, and 0.03 ㎎/㎏, respectively. The concentrations in the B horizons were 2.18 ㎎/㎏ in Zn, 5.74 ㎎/㎏ in Pb, 0.55 ㎎/㎏ in Cu, and 0.01 ㎎/㎏ in Cd, respectively. With positive correlation among the metal concentrations, Zn, Pb, and Cu concentrations in the A horizon were positively correlated with soil organic matter contents (r=0.39∼0.83, p$lt;0.01), while Pb and Cu concentrations were negatively correlated with soil pH (r=-0.53∼0.59, p$lt;0.01). The results suggest that the metals in forest soils have accumulated more in the downtown than in the outskirt areas.
냉온대지역 지형 변이 이후 식생 분포 현황 -일본 북해도 기타미시 요시이사와선을 중심으로-
이성기 ( Sung Gie Lee ),안영희 ( Young Hee Ahn ),김대현 ( Dae Hyun Kim ),정영교 ( Young Gyo Chung ),정진현 ( Jin Heon Jeong ) 한국녹지환경디자인학회 2006 녹지환경학회지 Vol.2 No.2
This study recorded the process of recovery from damage. Therefore this study was aimed to get a basic data of vegetation restoration through tracking survey of recovering process after reform construction. In early days after forest road was constructed, there were bare or almost bare ground. Recently vegetation status was surveyed 50 years after it was constructed. Part of forest in the site of this survey is hardly avoiding damage because road improvement is being expected. Therefore damage of vegetation is expected. After 50 years in bare ground, it was restored as total 168 species of 62 families such as 15 species of 7 families in pterophyta, 5 species of 2 families in gymnosperms, and 148 species of 53 families in angiosperms were occurred. Mixed forests of coniferous and broad leaves near forest road were recovered as 31 species such as Abies sachalinensis and Tilia japonica were occurred. If already existed forest roads were reconstructed, damage could be occurred again in very high possibility. Therefore environmentally-friendly construction is required through long-term monitoring.