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김효정,이미정,지윤의,안승만,이규석,송호경 한국환경생물학회 2002 환경생물 : 환경생물학회지 Vol.20 No.3
본 연구는 계룡산국립공원의 지류인 도덕봉과 백운봉의 산림식생을 대상으로 식물사회학적 방법에 의해 산림군락을 분류하고 이 지역의 식생 현황 파악과 국립공원관리에 필요한 기초자료를 제공하고자 하였다. 식물사회학적 방법으로 89개 조사구를 분석한 결과, 신갈나무군락, 졸 참나무군락, 굴 참나무군락, 소나무군락, 서어나무군락, 리기다소나무-곰솔군락으로 구분되었다. 신갈나무군락은 해발고가 가장 높고 경사가 급한 지역에 분포하였으며,졸참나무군락은 해발고가 비교적 낮고 경사가 급한 지역에 분포하였다. 그리고 굴참나무군락은 신갈나무군락에 비해 해발고가 낮은 남사면의 건조한 지역에 분포하고 있었다. 소나무군락은 해발고가 비교적 높고 폭이 좁은 건조한 능선 부위에 분포하고 있으며, 서어나무군락은 주로 남사면 계곡부의 중부에 분포하고 있었 다. 그리고 리기다-곰솔군락은 조림군락이다. This study was carried out to classify forest vegetation community of Dodeokbong and Baekwunbong in Gyeryongsan. Employing the releve method of Dierssen, 89 plots were sampled. Forest community was classified into Quercus mongolica community, Quercus serrata community, Quercus variabilis community, Pinus densiflora community, Carpinus laxiflora community, and Pinus rigida-Pinus thunbergii community. Quercus mongolica community was found in high altitude and steep area, Quercus serrata community in relatively low altitude and steep slope area, and Quercus variabilis in southern arid and low area compared with Quercus mongolica community. Pinus densiflora community is present in relatively high altitude and narrow arid ridge area. And, Carpinus laxiflora community is mainly distributed in southern valley area. Pinus rigida-Pinus thunbergii community is planted community.
Ahn, Seung Mahn,Lee, Kyoo Seock 대한원격탐사학회 2001 International Symposium on Remote Sensing Vol.17 No.1
The natural landscape of the forest in the metropolitan area has been changed due to the urban expansion in Korea during the last few decades. These land use changes result in forest fragmentation and shrinkage. Fragmentation effects spatial, species, and ecosystem characteristics of the corresponding forest. Geographical information systems(GIS) and remote sensing(RS) can help the decision maker with identification of forest Fragmentation and shrinkage. Therefore, the purpose of this study is to diagnose the forest fragmentation and shrinkage in the metropolitan area due to the land use change using RS and GIS.
( Bong Woo Kim ),( Bu Mahn Park ),( Jeong Eun Jeon ),( Hyun Jung Kim ),( Sung Ku Ahn ),( Seung Phil Hong ),( Se Kyoo Jeong ) 한국피부장벽학회 2012 한국피부장벽학회지 Vol.14 No.2
Many inflammatory mediators, including histamine, inflammatory proteases, arachidonic acid metabolites and cytokines are released by mast cell activation. However, little is known about the endogenous modulators for mast cell activation and their mechanism. Endogenous cannabinoids found in peripheral tissues, such as palmitoylethanolamide (PEA), have been proposed as having autacoid activity, which can down-regulate mast cell activation and local inflammation. Based on the chemical structure of agonists and antagonists, 30 compounds were synthesized and their modulating activity on human cannabinoid receptor 1 (CB1R) and 2 (CB2R) were tested using CB1R or CB2R transfected CHO cell line, respectively. Among the tested compounds, a few potential CB1R agonists were screened and further investigated on mast cell activation model. Using a cultured rat mast cell line, effect of selected compounds on Fcε RI-induced histamine and β-hexosaminidase release were measured. As a result, newly synthesized CB1R agonists down-regulated the release of histamine by IgE activation in mast cells, Furthermore, inhibitory effect on histamine release was also observed in mast cells activated by protease-activated receptor (PAR)-2 agonists. Taken together, CB1R agonists can down-regulate the mast cell activation, and might be a used for relieving inflammatory symptoms mediated by mast cell activation, such as atopic dermatitis, psoriasis, contact dermatitis or chronic urticarial.
도시공원 서비스권역 내 · 외 이용인구 정밀 분석 - 대구광역시 근린공원, 주민등록 데이터 분석을 중심으로 -
손승우,안동만,Son, Seung-Woo,Ahn, Tong-Mahn 한국조경학회 2013 韓國造景學會誌 Vol.41 No.5
본 연구는 도시공원 공간적 분포의 문제점을 도시공원 서비스권역과 주소별 주민등록 데이터를 사용한 분석을 통해 밝히고자 하였다. 도시공원 중 "도시공원 및 녹지 등에 관한 법률"에 의해 지정된 "거주자의 보건 휴양 및 정서생활의 향상에 이바지 하기 위해 설치"된 근린공원을 대상으로 하였다. 연구 방법은 크게 1) 근린공원 서비스권역 분석, 2) 근린공원 서비스권역 내 외 인구분석, 3) 기존 연구와의 비교 검토로 구분하여 분석하였다. 기존 연구들에서 나타났던 거주민 분석의 한계를 개선하고자 차별성을 두어, 각 주소별로 등록된 거주민 주민등록 데이터를 활용하여 실제 거주하는 주민수를 적용하였다. 근린공원 서비스권역 또한 기존에 주로 사용되었던 직선거리를 적용한 버퍼분석이 아닌 보행로, 새주소길 등을 적용한 네트워크 분석을 이용하였다. 이상의 과정을 통하여 도출한 결과, 근린공원 서비스권역 면적은 전체면적의 7.99%의 비율을 보였으며, 전체 주거지역 중 근린공원 서비스권역 면적은 31.23%의 비율을 보였다. 근린공원 서비스권역 내에 거주하는 인구는 대구광역시 인구의 43.03%만이 거주하고 있는 것으로 나타나, 전체 인구 반 이상의 인구가 서비스권역 외에 거주하는 것으로 나타났다. 마지막으로 기존 연구방법과의 비교 검토 결과는 근린공원 서비스권역 및 서비스권역 내 외 인구 수치에서 큰 차이를 보였다. Urban parks are public spaces that provide various services for any urban resident to use and enjoy. Parks should be fairly distributed so that the urban parks can be equally used amongst different regions, generations and classes. Researches on spatial distribution of urban parks have been continuously conducted from the past based on the principles of fairness with variety, and it was evident that their techniques have become more elaborate and sophisticated. Yet, there have been limitations in the analysis of residents who are the main users of the urban parks. The research done so far was unable to apply the real number of the residents and it was carried out by only classifying and analyzing the population by the same scale(grid in the same sizes), postal(zip) code and administrative district. The actual population that resides within the usable range of urban parks was not used. This study analyzes and evaluates the spatial distribution that the residents can use on foot, by utilizing the service areas and the residents' registration data by addresses. In this study, to analyze the square measure of the service areas of neighborhood parks in Daegu Metropolitan City and the number of residents within and outside of the service area, network analysis techniques were employed and the residents' registration data were utilized. Major findings were that the Square measure of service areas of neighborhood parks turned out to be 31.23% of the square measure of the residential areas and also, that only 43.03% of the population of the Daegu Metropolitan area lives within the service areas of the neighborhood parks.