• Title/Summary/Keyword: 여의도

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Use Behaviour and Personal Distance of the Bench Users in Urban Parks - Focused on Yeouido Park - (도시공원 벤치 이용자들의 이용행태 및 개인적 거리 - 여의도 공원을 대상으로 -)

  • Yun, Hee Jeong;Kim, Hyun Ju;Shin, Sang Hyun
    • Journal of the Korean Institute of Landscape Architecture
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    • v.43 no.6
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    • pp.52-61
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    • 2015
  • Personal distance is one of the basic and important concepts in the field of Environmental Psychology in influencing personal space, visible or invisible territoriality and psychological carrying capacity of contemporary urban dwellers. This study aims to analyze the bench users' behaviour and personal distances in urban parks for the first time in Korea, one of the representative landscape spaces in urban areas. For these purposes, this study has adopted a blind observation and pictorial analysis for bench users in Yeouido Park in Seoul. The main results of this study show that the average interpersonal distance between female and male(intimate relationship) is 47.5cm, the distance between female and female is 53.2cm, and the distance between male and male is 70.3cm. These results mostly support the previous western study results, but the interpersonal space and territoriality of Koreans in urban parks may be smaller than that for western societies.

Two new naturalized species from Korea, Euphorbia dentata Michx. and Securigera varia (L.) Lassen (한국 미기록 귀화식물: 톱니대극(Euphorbia dentata Michx.)과 왕관 갈퀴나물(Securigera varia (L.) Lassen))

  • Lee, You-Mi;Park, Su-Hyun;Jung, Su-Young;Yun, Seok-Min
    • Korean Journal of Plant Taxonomy
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    • v.39 no.2
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    • pp.114-119
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    • 2009
  • Two naturalized species, Euphorbia dentata Michx. and Securigera varia (L.) Lassen were newly reported from Korea. Euphorbia dentata, "Top-Ni-Dae-Geuk", was found from Jungbu Highway, Daechang-ri, Daechang-myeon, Yeongcheon-si, Gyeongsangbuk-do. It is distinguished from E. pulcherrima by its life form, which is herbaceous, and its upper leaves, which are uniformly green. Securigera varia, "Wang-Gwan-Gal-Kwi-Na-Mul", was found from Hangang, Yeouido, Seoul. The genus Securigera is unrecorded in Korea and distinguished from genus Hedysarum by rose-colored flowers, a peduncle 5-10 cm and by having dense umbels at the tips of the peduncles.

Postoperative Cure for Metastatic Gastrointestinal Stromal Tumor (전이성 위장관 기질종양의 수술 후 완치)

  • Park, Eun Hyea;Kim, Jin Il;Cheung, Dae Yong;Park, Soo-Heon
    • The Korean journal of helicobacter and upper gastrointestinal research
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    • v.18 no.4
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    • pp.264-270
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    • 2018
  • Gastrointestinal stromal tumor (GIST) is a mesenchymal tumor derived from Cajal cells originating from the myotonic plexus. The expression of tyrosine kinase (KIT) membrane receptors that are active on KIT is inhibited by the KIT inhibitor imatinib mesylate. GISTs are resistant to conventional chemotherapy, and radiation therapy is not significantly beneficial for GISTs. With the development of imatinib mesylate, approximately 81.6% of patients with advanced and metastatic GIST exhibit an effect above the stabilization response, thereby increasing the survival time. However, imatinib mesylate alone is unlikely to cure metastatic GISTs. Even with a partial or stable response, imatinib mesylate may be used for a longer time period. However, resection of grossly visible lesions should be considered for patients with a stable response during surgical treatment. In this study, we present a case of GIST with liver metastasis after imatinib mesylate treatment, which was followed up without recurrence after partial resection.

Ecological health assessment of Yangjaecheon and Yeouicheon using biotic index and water quality (생물지수와 수질을 이용한 양재천과 여의천의 생태건강성평가)

  • Jin Hyo Lee;Hyeon Han;Jun Yeon Lee;Young Seop Cha;Seog Ju Cho
    • Korean Journal of Environmental Biology
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    • v.40 no.2
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    • pp.172-186
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    • 2022
  • Benthic macroinvertebrates are important ecological and environmental indicators as primary or secondary consumers, and therefore are widely used in the evaluation of aquatic environments. However, there are no comprehensive river ecosystem monitoring surveys that link the major physicochemical water quality items with benthic macroinvertebrates in urban streams. Therefore, this study investigated the distribution characteristics of benthic macroinvertebrates and physicochemical water quality items (17 items) in Yangjaecheon and Yeouicheon from 2019 to 2020. At the same time, by applying Spearman's rank correlation analysis and nonmetric multidimensional scaling (nMDS) analysis in the water quality data and biotic index, we tried to provide basic data for diagnosing the current status of river ecosystems in major urban rivers in Seoul. Based on the study results, a total of 39 species and 3,787 individuals were identified in Yangjaecheon, the water quality(based on BOD, TOC, and TP) of Yangjaecheon was higher than Grade Ib(good), and the BMI using benthic macroinvertebrates appeared as Grade C(normal) at all the sites. In Yeouicheon, a total of 51 species and 4,199 individuals were identified, the water quality(based on BOD, TOC, TP) was higher than Grade Ib(good) similar to Yangjaecheon, and the BMI of both Upstream and Saewon bridge was Grade B(good), while Yeoui bridge was Grade C(normal). Overall, analysis results for the distribution of benthic macroinvertebrates by a nonmetric multidimensional scaling method showed no significant difference between the two streams (p=0.1491). Also, significant environmental variables related to benthic macroinvertebrates distribution were determined as water temperature and DO. On the other hand, the results of the correlation analysis between biotic index and major water quality items confirmed that R1 and BMI could be used for on-site urban river water quality evaluation.