• Title/Summary/Keyword: Korea national park

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Bryophyte flora of Gayasan Mountain National Park in Korea

  • BUM, Hyun Min;YIM, Eun-Young;PARK, Seung Jin;BAKALIN, Vadim A.;CHOI, Seung Se;RYU, Sea-Ah;HYUN, Chang Woo
    • Korean Journal of Plant Taxonomy
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    • v.51 no.1
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    • pp.33-48
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    • 2021
  • We investigated the bryophyte flora of the Gayasan Mountain National Park in Korea by conducting 18 field surveys in from April of 2009 to November of 2016 at various sites on the mountains. During the surveys, we discovered 204 taxa comprising 57 families, 106 genera, 199 species, 2 subspecies, and 3 varieties. Among these, 145 species were reported as new to the flora of Gayasan Mountain. A checklist based on a study of 903 specimens is provided. The most notable species recorded during the surveys were the rare bryophytes Hattoria yakushimensis (Horik.) R. M. Schust., Nipponolejeunea pilifera (Steph.) S. Hatt., Drepanolejeunea angustifolia (Mitt.) Grolle, Lejeuena otiana S. Hatt., Cylindrocolea recurvifolia (Steph.) Inoue and Pogonatum contortum (Menzies ex Brid.) Lesq.

Comparison of Environmental Attitude between Interest Groups in Gayasan National Park (가야산 국립공원의 이해집단 간 환경태도 비교)

  • Han, Jae-Gyeong;Woo, Hyung-Taek
    • Journal of Environmental Science International
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    • v.27 no.11
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    • pp.1049-1057
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    • 2018
  • This study aims to analyze and compare environmental attitudes of interest groups, including visitors, local residents, Buddhist monks, and staff of the Korea National Park Service in Gayasan National Park. To achieve this purpose, five hypotheses were formulated and tested. While three hypotheses were statistically rejected, two were accepted. In every interest group, the environmental attitude level of women was higher than that of men. Local residents particularly showed statistically significant differences in accordance with occupation. The difference in environmental attitude between visitors and local residents was not statistically significant. Finally, the environmental attitude level between interest groups was divided into three groups. The staff of the Korea National Park Service showed the highest level of environmental attitude, followed by Buddhist monks, and a group of visitors and residents recorded the lowest. However, the average level of environmental attitude of every interest group scored above the mid-point of 3. Therefore, it can be concluded that there exists no difference between or conflicts among interest groups related to strengthening conservation and management policies regarding the protection of Gayasan National Park.

A Study on the Forest Vegetation of Jirisan National Park (지리산국립공원의 산림식생에 관한 연구)

  • Gwon, Jae-Hwan;Sin, Min-Kyung;Kwon, Hye Jin;Song, Ho-Kyung
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.16 no.5
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    • pp.93-118
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    • 2013
  • In this study, the forest vegetation of Jirisan National Park were classified into 20 communities, 3 subcommunities by the Z-M method. In the analysis of environmental factors, the organic matter and total nitrogen had the highest correlation on the subalpine forests. among them Picea jezoensis community showed the highest, Betula ermanii community, Taxus cuspidata community, Pinus koraiensis community, Abies nephrolepis community and Abies koreana community were represented in order. the K, Mg, Ca had correlation on th montane forests; Quercus mongolica community, Quercus serrata community, Stewartia pseudocamellia community, Pinus densiflora community, Quercus variabilis community were in order. the total nitrogen, electrical conductivity and organic matter had the highest correlation of the montane ravine forests; Fraxinus mandshurica community, Abies holophylla community, Betula costata community, Cornus controversa community and Carpinus laxiflora community were in order.

ASSESSMENT OF LOCAL LYMPH NODE ASSAY AS AN ALTERNATIVE METHOD FOR SKIN SENSITIZATION POTENTIAL

  • Hwang, In-Chang;Kim, Hyung-Soo;Dong, Mi-Sook;Park, Jae-Hyun;Lee, Jong-Kwon;Oh, Hye-Young;Park, Young-In
    • Proceedings of the Korean Society of Toxicology Conference
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    • 2001.10a
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    • pp.194-194
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    • 2001
  • Preclinical test methods for allergenic potential chemicals has been widely used to assess human risks and has been developed. Recently, the murine local lymph node assay (LLNA) has been proposed as a prospective method to identify contact allergens and to replace conventional the guinea pig maximization test (GPMT). The objective of this study was to establish LLNA and to evaluate allergenicity of chemicals by LLNA. (omitted)

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Adenovirus-Mediated Gene Delivery of Tissue Inhibitor of Metalloproteinase-1 Inhibits Migration of B16F10 Melanoma Cell in Wound Migration Assay

  • Seungwan Jee;Hoil Kang;Park, Sehgeun;Park, Misun;Miok Eom;Taikyung Ryeom;Kim, Okhee
    • Proceedings of the Korean Society of Toxicology Conference
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    • 2003.10b
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    • pp.177-177
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    • 2003
  • Tumor cell invasion and metastasis are a complex multistep process that involves the degradation of extracellular matrix proteins by matrix metalloproteinases (MMPs). Tissue inhibitor of metalloproteinase-1 (TIMP-1) acts as a negative regulator of matrix metalloproteinase and thus prevents tumor cell invasion and metastasis by preserving extracellular matrix integrity.(omitted)

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