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RISS 인기검색어
- 검색키워드
- 저자 : 손용환(Yonghwan Son) (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
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손용환,손호준,박광훈,이동환,조혜정,이선영,김현준,Son, Yonghwan,Son, Ho Jun,Park, Gwang Hun,Lee, Dong Hwan,Cho, Hyejung,Lee, Sun-Young,Kim, Hyun-Jun 한국자원식물학회 2022 한국자원식물학회지 Vol.35 No.5
This study was conducted to figure out the environment factors including vegetation structure and soil characteristics in natural habitats of Sageretia thea, and offers the basic information for habitats conservation and proliferation. The natural habitats of Sageretia thea were located at altitudes between 0~370 m with inclinations ranged as 3~35°. Through the vegetation research, the dominant species of tree layers were found to be divided into four communities. Cornus macrophylla (Com. I), Pinus thunbergii - Cinnamomum camphora (Com. II), Machilus thunbergii (Com. III), and Pinus thunbergii (Com. IV). The Species diversity (H') was 1.397~1.455, evenness (J') was 0.972~0.986, and dominance (D) was found to be 0.014~0.028. As a result of the physicochemical characteristics of soils, habitats soil mainly consisted of sandy soil and sandy loam soil. The average soil pH was 5.28~5.98, electronic conductivity was 0.22~63 ds/m, soil organic matter was 13.33~19.33 cmol<sup>+</sup>/kg, Exchange cations were appeared in the order of Ca<sup>2+</sup>, Mg<sup>2+</sup>, K<sup>+</sup>, and Na<sup>+</sup>. The Ordination result showed that Correlation coefficient between communities and environmental factors were significantly correlated with 4 main factors altitude, electronic conductivity, cation exchange capacity, exchangeable Na<sup>+</sup>. As expected, The result of this study will be helpful information on the preservation and mass production for use.
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삽목시기, 삽목용토, 생장조절제에 따른 상동나무 삽목발근 특성
손용환,박성혁,손호준,김지아,조혜정,이선영,김현준,Son, Yonghwan,Park, Sunghyuk,Son, Hojun,Kim, Ji-Ah,Cho, Hyejung,Lee, Sun-Young,Kim, Hyun-Jun 한국자원식물학회 2022 한국자원식물학회지 Vol.35 No.5
This study was conducted to determine the three main factors [rooting time, plant growth regulators (PGRs), rooting medium] of cuttage for mass production of Sageretia thea. The experiment was observed on cuttage tray after 120 days and classified by rooting times, plant growth regulators, rooting medium. Materials were collected from natural habitats of S. thea from the Korean peninsula at March, July and September during 2019. As a result of the experiment, rooting times were showed statistically significant differences. March group's rooting rate and root length were 15 and 200% better than others. In PGRs experiment by concentration, There was no significant correlation between the control and experiment in terms of rooting rate. However, In the case of root length, IBA 500 mg/L, IBA 250 mg/L and IAA 1,000 mg/L groups were lengthened up to 170% compared to the control group, confirming statistically significant differences. As a result, we recommend treating cuttings with IBA 500 mg/L in March with Hardwood cutting.
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손용환(Yonghwan Son),박성혁(Sunghyuk Park),서한나(Hanna Seo),박완근(Wangeun Park),손호준(Hojun Son) 한국자원식물학회 2021 한국자원식물학회지 Vol.34 No.2
Mt. Hwang-ak, as a temple forest belongs to Baekdudaegan. flora investigation was conducted to better know of current natural environment. At the same time, For the understanding of planted plants which is in the traditional Korea buddhism temple for landscape, research on Jikji temple had taken place during 2019 April to October with 12 times. As a result, the list of plants at Mt. Hwang-ak was classified as a total of 534 taxa comprising of 96 families, 312 genus, 462 species, 4 subspecies, 59 varieties, 9 forma. This listed plants could be classified as 4 categories by each standard. the listed plants were 14 species of Korean endemic plants, 13 species of Rare plants data book in korea, 34 species of Invasive Alien Plants in South Korea with 10% of Urbanization Ratio and 6% of Naturalization Ratio respectively, 167 species of List of Medicinal Resources Plants in Korea. In the Temple of Jikji, could find 81 species of planted plants that widely distributed all around the temple for landscape. Compared to other temple, We could observed 51% of species were overlapping, Among them, 9% of species overlapping with more than three temples.
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손용환(Yonghwan Son),박성혁(Sunghyuk Park),정대희(Daehui Jeong),조혜정(Hyejung Cho),손호준(Hojun Son),전권석(Kwonseok Jeon) 한국자원식물학회 2021 한국자원식물학회지 Vol.34 No.4
길마가지나무의 자생지 11지역 24개소의 입지환경을 조사한 결과 길마가지나무는 주로 산지의 낮은 지대를 중심으로 임연부, 등산로주변, 계곡부 및 해안림 곳곳에 분포하고 있었으며, 경사는 대부분 평지나 완경사지를 중심으로 분포하고 있었다. 사면방위는 가리지 않았으나 주로 햇볕을 많이 받는 남향에 주로군락을 이루고 있었다. 군집구조는 분석결과 각각 아까시나무(군집Ⅰ), 느티나무(군집Ⅱ), 일본잎갈나무(군집Ⅲ)가 지표종인3개 군집으로 나뉘었다. 출현식물의 경우 군집 I에서 출현한 식물은 50과 77속 78종 2아종 11변종 총91분류군, 7개의 방형구로느티나무가 지표종인 군집Ⅱ에서 출현한 식물은 51과 82속 80종2아종 10변종 1품종 총93분류군, 11개로 가장 많은 방형구가 해당되며, 느티나무가 지표종인 군집Ⅲ에서 출현한 식물은 61과111속 129종 2아종 13변종 3품종 총147분류군으로 나타났으며, 특이식물로는 특산식물 1분류군, 침입외래식물 9분류군, 희귀식물 5분류군으로 상대적으로 적은 개체수가 출현하였다. 상대우점치(I.P.) 분석결과 각군집의 지표종으로 대표되는 종이 있으나 특정군집에 독립적으로 출현하는 경우는 적었다. 대표적으로 느티나무, 참나무, 아까시나무, 밤나무 등이 있었으며, 아까시나무군집의 교목층을 제외하면 대부분 경쟁관계에 있음을 확인할 수 있어 지속적인 관찰이 필요하다고 판단된다. 종다양성지수 분석과 유사도지수 분석에서도 상대우점치 분석과 유사한결과를 확인할 수 있었는데, 군집 간 특정종이 우세하기 보다는균등도가 매우 높으며, 출현식물이 상이하기 보다는 유사한 경향을 띄고 있었다. 토양분석 결과, 군집 간 전형적인 갈색산림토양, 암적색산림토양의 성질을 보였으며, 배수가 좋은 사양토를기반으로 하고 있었다. 유기물의 경우에는 일반적인 산림토양에비해 함량이 대체적으로 높은 경향을 보이고 있었다. 미루어 보았을 때 길마가지나무의 자생지 분포는 지역적인 경향보다는 상층이 울폐하지 않는 임연부, 등산로를 중심으로 유기물이 풍부한 환경에 분포해 환경에 대한 적응력이 뛰어난 것으로 판단된다. 하지만 상층이 울폐한 경우에는 피압으로 인해 생육이 부진한 경향을 보여 광 요구도가 높은 수종으로 판단된다. Lonicera harae is a species of shrub in the Caprifoliaceae family, mostly distributed in East asia. So far, the related research on the genus of Lonicera is insufficient compared to the Lonicera japonica belonging to the same genus, which requires attention to domestic native plants. Therefore, this study aims to provide baseline data for cultivation and utilization through the growth environment and vegetation structure of the natural habitat. Lonicera harae, which plant found throughout the Korean Peninsula. The natural habitats of Lonicera harae is the forest, valley and lowland areas of the southern region. study examined 24 quadrats in 11 regions, including Gwangju, Wanju and Namhae. As a result, environmental condition of Lonicera harae was 8 to 483 m above sea level, normally distributed over 173 m, Slope was 5 to 25 degree with 8.5 degree on average. The list of plants were classified as a total of 229 taxa comprising 80 families, 166 genus, 198 species, 3 subspecies, 24 varieties, 4 forma. As a result of the clustering analysis, the three clusters were divided into three groups; Robinia pseudoacacia, Zelkova serrata, Larix kaempferi. Species diversity was 1.399 and Dominance and Evenness were found to be 0.978 and 0.022 respectively.
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