The goals of this study were to investigate image quality of coronary CT angiography (CCTA) and change of radiation dose by using Adaptive Statistical Iterative Reconstruction (ASIR) technique. 40 subjects with BMI≥25 (A, C groups), 40 subjects with BMI<25 (B, D groups), Groups without ASIR (A, B groups), and with ASIR (C, D groups) were included. There were no statistical differences in image qualities (p>0.05). Radiation doses with application of ASIR were significantly lower than those of ASIR (51-53%, p<0.05). In CCTA scan-nings, ASIR technique helps to reduce radiation dose with preserved image quality.

본 연구는 저소득층 아동을 대상으로 원예활동 프로그램을 실시하여 자아존중감과 학교적응에 미치는 영향을 알아보기 위해 실시하였다. 목포시 C동 지역아동센타를 이용하는 아동 4명을 대상으로 2008년 10월 6일부터 2009년 5월 25일까지 총 33회기를 매주 1회 1시간씩 실시하였다. 원예활동 프로그램의 효과를 알아보기 위해 정신건강, 자아존중감, 학교적응, 사회적 능력 측정도구를 사용하여 프로그램 실시 전･후에 평가하였다. 프로그램 실시 전･후를 비교한 결과, 정신건강 검사에서 4명의 대상자들이 모두 향상되었고, 실시 전 평균 31.5점에서 실시 후 평균은 23.5점으로 8.0점이 감소하였고, 통계적으로도 유의한 차이가 나타났다. 자아존중감은 4명 모두 프로그램 실시 전에 비해 실시 후 모두 향상된 것으로 나타났고, 실시 전 평균 99.8점에서 실시 후 평균 108.0점으로 8.2점이 증가하였고 통계적으로도 유의한 차이가 나타났다. 학교적응력을 측정한 결과, 프로그램 실시 전에 비해 실시 후 4명 모두 향상되었고, 실시 전 평균 103.0점에서, 실시 후 평균 112.8점으로 9.8점이 향상되어 효과성이 나타났으며 통계적으로도 유의한 차이가 나타났다. 사회적 능력은 4명의 대상자들 모두 프로그램 실시 후 증진된 것으로 나타났고, 실시 전 평균 133.0점에서 실시 후 평균은 153.5점으로 20.5점이 증가하였으나 통계적으로는 유의한 차이가 나타나지 않았다. 따라서, 원예활동 프로그램은 저소득층 아동의 정신건강과 자아존중감 향상시키며, 학교 적응력 및 사회적 능력을 증진시키는데 효과적임을 알 수 있었다.

Landscape structure is important to understand a complex patterns and interaction with adjacent habitat in rural area. The aim of this study is to analyze relationship between landscape structure and insect spatial distribution in rural area to suggest applicable possibility of landscape structure as biological indicator. For this purpose, first, four landscape structure criteria such as distance from the forest; density of farmland-forest ecotone; landscape continuity; and field size are selected. Secondly, these criteria are applied to Gangsang-myeon, Yangpyeong-gun where mosaic feature are conserved at various spatial scale. Thirdly, application of landscape structure criteria is verified using correlation with species number, species diversity, and species richness of insect. As a result, it could be suggested that the landscape structure criteria are useful for explaining insect spatial distribution.

In the continued economic prosperity, concern about environment and landscape is converted to develop actual institutional system on conservation and management of landscape. In these transition periods, the objective of this study is to suggest limitations and improvements of landscape conservation system for each landscape type such as rural landscape, natural landscape, urban landscape, historical landscape through reviewing related policies, laws, and case studies. As a results, landscape conservation system is insufficient for each landscape type and is regulated sporadically by a few laws. In particularly, rural landscape has been damaged seriously since significance of it was lesser recognized than other landscape types. Urban landscape is managed by landscape ordinance and planning which local government developed, however it doesn't have effectiveness due to insufficient legal basis and related cases. Therefore to enhance recognition of landscape as well as to support the law of landscape which is established this year is required.

Rural landscape is essential resources to reinvigorate rural tourism and local economy. The objective of this study is to apply the methodology that can assess landscapes of many rural villages based on the data of Rural Amenity Resource Survey. Above all, to make the data of rural amenity resources survey appropriate for landscape assessment, that was reclassified into 4 landscape resource and 12 lower items. Secondly, 4 evaluation standards of rural landscape; weight of landscape resources, weight of lower items, evaluation of lower items as the number, and evaluation of management condition was established by questionnaire survey. Thirdly, the evaluation standards was applied to case study area; Jug-Goc Myeon, Goc-Seong county, Jeollanamdo. Finally, this result was compared with the other result that management condition was not included in, and the villages that were urgent to improve management condition were selected. As a result, water resource and management condition have great effects on the total quality of rural landscape. Therefore, there are many villages that have peat potentials although that indicates low quality of landscape, now.