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윤택승(Taek Seong Yoon),임지영(Ji Young Lim),김종진(Jong Jin Kim) (사)한국생물환경조절학회 2005 생물환경조절학회지 Vol.14 No.4
본 연구는 시설양묘 용기에서 직근성 수종인 찰피나무 유묘의 생육상황 및 뿌리발달 형태를 탐구하기 위하여 5개월간 플라스틱 온실에서 수행되었다. 공시용기로 사용된 플라스틱 망 용기와 일반 플라스틱 용기에서 생육한 용기묘의 수고생장 차이는 크지 않았으나, 근원경 생장은 플라스틱 망 용기에서 높게 나타났다. 플라스틱 망 용기는 묘목의 뿌리발달에 영향을 끼쳐 모묙의 뿌리발달을 촉진시켰으며, 전체 지하부의 건물 생산량을 증가시켰다. 특히 플라스틱 망 용기묘에서는 적극적으로 유도된 공기단근에 의하여 나선형 뿌리가 나타나지 않았다. 따라서 본 실험에 사용된 플라스틱망 용기는 찰피나무 용기묘 생산에 유용하게 활용할 수 있을 것으로 판단되며, 이 용기에서 생산된 묘목은 다양한 식재지 환경에서 식재될 경우 활착율 증가는 물론 생장율 증가도 보일 것으로 생각된다. This study was carried out to investigate the growth characteristics and root development of Mandshurian Linden (Tilia mandshurica Rupr. et Max.) seedlings grown in plastic net container and plain plastic container. The seedlings were grown in the mixture of peat moss : perlite : vermiculite (1:1:1, v/v/v) for five months in the plastic greenhouse. The seedlings grown in plastic net container showed greater root collar diameter growth, better root development, and more increment of root dry mass than those grown in the plain plastic container. In particular, the seedlings grown in plastic net container had no spiraling roots which were always observed in the control. These results suggest that the net container is suitable for container culture of Tilia mandshurica seedlings by enhancing root development. Seedlings grown in the net container and transplanted to various environments showed vigorous rootage and growth.
조용현,이종문,김원태,윤용한,강희경,박봉주,윤택승,장광은,신경준,어양준,곽무영,송홍선,Cho, Yong-Hyeon,Lee, Jong-Mun,Kim, Won-Tae,Yoon, Yong-Han,Kang, Hee-Kyoung,Park, Bong-Ju,Yoon, Taek-Seong,Jang, Kwang-Eun,Shin, Kyung-Jun,Eo, Yang-Joon 한국조경학회 2013 韓國造景學會誌 Vol.41 No.1
이 연구의 목적은 표토보존을 위해 국내 개발분야 중 주요한 사례에 해당하는 하천개발분야에서 표토관리의 실태를 조사 및 분석하는 데 있다. 전문가를 대상으로 한 설문조사를 통해 하천개발과정에서 표토관리의 실태와 문제를 파악하였다. 이를 분명히 하기 위해 국내 하천개선사업 중 환경부의 감독을 받는 생태하천복원사업으로서 최근 완료된 하천을 중심으로 개발 전과 개발 후의 토양특성을 분석하였다. 연구 결과는 다음과 같다. 첫째, 전문가들은 식물생장을 위해 최선의 토양관리 및 개선방법으로서 표토의 수거 및 재활용을 선호하였다. 둘째, 경제적 문제와 시공의 불편 때문에 실제 표토의 수거 및 재활용은 제대로 이루어지고 있지 않다. 셋째, 개발 후 식물생장에 필요한 유기물, 총질소 등 토양조건 요인들이 전반적으로 감소한다. This study aimed to research and analyze the real condition of topsoil management of river development field as a significant case among domestic development fields for topsoil preservation. Through survey with experts, we understood the real condition and problems of topsoil management during river development. In order to verify this, we analyzed the characteristics of soil before and after development focusing on the rivers recently completed as an ecological river restoration project, supervised by Ministry of Environment among domestic river improvement projects. The study results are like below. First, experts preferred collecting and reusing topsoil as the best method to maintain and improve soil for plant growth. Second, realistically collecting and reusing topsoil is not fully conducted due to economical issues and inconvenience in construction. In the soil condition, third, the contents of elements necessary for plant growth like organic matter and total nitrogen declined overall after development.
김원태 ( Won Tae Kim ),윤용한 ( Yong Han Yoon ),조용현 ( Yong Hyeon Cho ),강희경 ( Hee Kyoung Kang ),박봉주 ( Bong Ju Park ),신경준 ( Kyung Jun Shin ),어양준 ( Yang Joon Eo ),윤택승 ( Taek Seong Yoon ),장광은 ( Kwang Eun Jang ) 한국환경과학회 2012 한국환경과학회지 Vol.21 No.11
This study was carried out to evaluate the physicochemical properties of topsoil from forest development area. The results of physicochemical properties of topsoil from forest development area shown on the average loamy sand~sandy clay loam in soil texture, 5.3~7.1 in pH, 0.02~0.18 dS/m in EC, 0.7~1.8% in OM, 0.03~0.11% in T-N, 11~15 cmol+/kg in CEC, 0.02~0.04 cmol+/kg in K+, 4.51~8.18 cmol+/kg in Ca2+, 0.93~2.77 cmol+/kg in Mg2+, 6~49 mg/kg in available phosphate. And the results of physicochemical properties of topsoil from forest non-development area shown on the average sandy loam~sandy clay loam in soil texture, 4.4~5.3 in pH, 0.03~0.05 dS/m in EC, 3.1~4.6% in OM, 0.13~0.23% in T-N, 14~18 cmol+/kg in CEC, 0.02~0.04 cmol+/kg in K+, 0.78~3.82 cmol+/kg in Ca2+, 0.29~1.31 cmol+/kg in Mg2+, 3~31 mg/kg in Av. P2O5. On the other hand, forest development area of topsoil sand content higher than 8~18% sand content than the forest non-development area. This trend is thought to be the absence of topsoil management development projects. Consequently, the results suggested a high potential of recycling of the topsoil from forest non-development area for planting soil. Therefore, in construction of the conservation and management of topsoil from forest non-development area is very important.
가을철 차광 처리에 따른 진달래와 영산홍의 생리적 반응
이경재(Kyung Jae Lee),송기선(Ki Sun Song),정영숙(Young Suk Chung),윤택승(Taek Seong Yoon),홍성권(Sung Kwon Hong),김재현(Jae Hyun Kim),이상우(Sang Woo Lee),김종진(Jong Jin Kim) 한국원예학회 2010 원예과학기술지 Vol.28 No.3
This study was carried out to investigate the physiological responses of Rhododendron mucronulatum Turcz. and R. indicum (L.) Sweet seedlings with 0%, 35%, 55% and 75% shading of full sunlight in polyethylene film house. The shading treatments were performed during the late growth season for each species (from Sept. 9 to Nov. 5, 2008). The shading treatment was effective in reducing the daily temperature by 0.9 to 1.7℃ during September and by 0.8 to 1.7℃ during October. Before the shading treatments, the water content of R. mucronulatum and R. indicum amounted to 68.5% and 66.3%, respectively. The water contents of two species after 75% shading treatment period decreased to 66.2% (3.4% reduction) and 65.9% (0.6% reduction), respectively. Notably, both species had a similar tendency indicating less reduction rate of water content with 75% shading. R. indicum showed higher photosynthetic capacity with higher level of shading, and its photosynthetic capacity reached the highest level (9.63 μmolㆍm?²ㆍs?²). On the other hand, shading-treated R. indicum showed higher intercellular CO₂ concentration, stomatal conductance and transpiration rate (55% shading > 35% shading > 75% shading) than non-treated ones. In addition, non-treated seedlings showed higher water use efficiency than treated ones. In particular, it was found that the leaf color of R. mucronulatum turned equivalent to purple under full sunlight, while its leaf color kept equivalent more to green with higher level of shading, as evidenced even in naked eyes. According to comprehensive analysis using Munsell Color Chart on potential leaf color variations of R. mucronulatum depending on the level of shading, it was found that relatively many leaf colors under full sunlight were equivalent to R (red) and Y (yellow) chart, while relatively many leaf colors with higher level of shading were equivalent to G (green) and Y chart, where the latter still showed green color.
김원태 ( Won Tae Kim ),조용현 ( Yong Hyeon Cho ),이종문 ( Jong Mun Lee ),윤용한 ( Young Han Yoon ),강희경 ( Hee Kyoung Kang ),박봉주 ( Bong Ju Park ),윤택승 ( Taek Seong Yoon ),장광은 ( Kwang Eun Jang ),신경준 ( Kyung Jun Shin 한국환경복원기술학회(구 한국환경복원녹화기술학회) 2014 한국환경복원기술학회지 Vol.17 No.1
The study aims to investigate and analyze actual situations of managing topsoil at forest development sites based on their types, in pursuit of conservation and effective use of national land. To do this, I selected target areas by deducting the typical types of forest development and analyzed the condition of soil at the target areas before and after development. In addition to this, I interviewed associated construction staffs to conduct study on present situations of topsoil management and find out its problems. I also surveyed of relevant experts, with the intention of seeking solutions. The results of the study have been shown that firstly, experts preferred collecting and recycling of topsoil as methods of improvement of soil conditions for plant growth. Secondly, the importance of topsoil has been well noticed and there were few construction sites using the methods. However, working and economical problems have disturbed carrying out these solutions. Thirdly, after constructions, organic matter and total-nitrogen content decreased in general which were necessary for plant growth in terms of soil conditions.
김종진 ( Jong Jin Kim ),이경재 ( Kyung Jae Lee ),송기선 ( Ki Sun Song ),차영근 ( Young Geun Cha ),정영숙 ( Young Suk Chung ),이종화 ( Jong Hwa Lee ),윤택승 ( Taek Seong Yoon ) 한국산림과학회 2010 한국산림과학회지 Vol.99 No.4
This study was carried out to establish the informations on the optimum container for production of Larix leptolepsis container seedlings. Height growth of I-year-old container seedling was highest in 250 mL of container (19.3 cm), and of 2-year-old seedling was in 500 mL (56.9 cm). On the other hand, the highest growth of root-collar diameter was observed in the both I-year-old and 2-year-old seedlings grown in 500 mL. Dry mass production in both a whole seedling and each organs of 2-year-old seedling was significantly high in the container with larger volume and lower seedling density. According to the analysis using by WinRhizo program, the larger container in volume showed better root morphological traits such as total root length, root projected area, root surface area, root volume and average root diameter. Among the elements for analysis of root morphological traits, the root volume was the highest one affected by container volume. And it was observed that the root volume was 79.5% and 46.8% in 320 mL and 250 mL, respectively, compared to 500 mL.
硏究論文 : 절개사면 녹화지역과 인접 자연지역의 식생 비교
강희경 ( Hee Kyoung Kang ),송홍선 ( Hong Seon Song ),조용현 ( Yong Hyeon Cho ),박봉주 ( Bong Ju Park ),김원태 ( Won Tae Kim ),신경준 ( Kyung Jun Shin ),어양준 ( Yang Joon Eo ),윤택승 ( Taek Seong Yoon ),장광은 ( Kwang Eun Jang 한국환경복원기술학회(구 한국환경복원녹화기술학회) 2012 한국환경복원기술학회지 Vol.15 No.6
This study was compared to the differences in the habitat, species composition and community structure of revegetation and nature area in Korea. Plant number in plot of revegetation and nature area was 10.3 and 15.0 taxa, respectively, and coverage was 90.6 and 88.1%, respectively. Revegetation and nature area was very heterogeneous, due to low similarity index (0.38) and less common plants. Festuca arundinacea frequency (56.7%) was highest in revegetation area, and Oplismenus undulatifolius frequency (66.7%) was highest in nature area. Plant appearing of revegetation and nature area was 111 and 136 taxa, respectively. Herb appearing of revegetation and nature areas was 93 (83.3%) and 72 (52.9%) taxa, respectively, tree was 18 (16.2%) and 64 (47.1%) taxa, respectively. Plant communities of revegetation area was classified into Lespedeza bicolor, Indigofera amblyantha, Alnus sibirica, Festuca arundinacea, Eragrostis curvula, Miscanthus sinensis, Humulus japonicus, Setaria faberii, Rudbeckia bicolor, Pueraria lobata community. Plant communities of nature area was classified into Pinus densiflora, Quercus aliena, Quercus acutissima, Quercus variabilis, Quercus serrata, Castanea crenata, Pinus rigida, Robinia pseudoacacia, Populus tomentiglandulosa, Phyllostachys bambusoides community. Habitat, species composition and community structure of revegetation and nature area showed a large difference.