• Title/Summary/Keyword: ecological survey

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Plant Species Selection Program for Ecological Restoration of Coastal Reclaimed Land -Focused on the Dumped Soil Area at Inchon Airport- (해안간척지의 생태적 환경복원을 위한 식물 선정에 관한 연구 -인천공항 사토장지역을 중심으로-)

  • Bae, Young-Hun;Lee, Dong-Kun
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.4 no.3
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    • pp.66-74
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    • 2001
  • The main purpose of this thesis is to select the appropriate plants for the ecological restoration of coastal land. The soil and vegetation environment survey of the beach where the halophytes live now was executed for the sake. Firstly, the soil survey was done by the physical and chemical survey of beach soil and dumped soil. The soil is mostly sandy loam and sandy clay loam which has silty much. The beach soil where the salt plants live has more organic matters in the content than dumped soil because of the influx of the dead halophytes, a pioneer plant to this area. Secondly the vegetation survey was executed by the halophytes survey in the beach area in order to select the appropriate plants for ecological restoration. The shows two different areas in the vegetation divided by the salt density of soil. Artemisia fukudo, Juncus haenkei, Carex pumila, Silene armeia, Polyponum aviculare etc live in the less salt density area and it doesnt show collected. Salicornia herbacea, Suaeda asparagoides, Aster tripolium, Limonium tetragonum, Suaeda maritima, Scirus fluvitilis, Phragmtes communis, Suaeda japonica, Zoysia sinica etc halophytes live in the more salt density area and there are a few advent plant but many collected. So the salt density of soil limits the vegetation. The selection of appropriate plants for the ecological restoration programs was designed with 3 different standards considering the salt density of soil in the dumped soil area. The plan selection guidelines of thick salt density due to the salt density of soil, and economical efficiency and maintenance because the area is large. The guidelines of middle salt density area were made considering economical efficiency and maintenance because there are salt as well, and it is effective for the scenery if they have normal ecology but their leaves have good color and the flowers are beautiful. However I suggest beautiful flowery plants for the neutral plan area because this area is the entry point of the airport so the view is very important.

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A Study on the Development of Planting Design Method for Creating an Ecological Park -Focus on a Correlation between Visual Preference and Ecological Diversity- (생태공원조성을 위한 식재설계방법의 개발 -시각적 선호도와 생태적 다양성의 상호관련성을 중심으로-)

  • 김귀곤;조동길;차영두;황기현
    • Journal of the Korean Institute of Landscape Architecture
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    • v.27 no.5
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    • pp.12-24
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    • 2000
  • This study seeks to find an approach tool that allows to consider both ecological and visual aspect in developing an ecological space. Main objective of this study is to develop a planting design method in consideration of correlation between high visual preference and ecological diversity. To this end, an integrated method based on visual design principles and landscape ecological principles was developed first. Then study areas of 20 natural areas and 10 urban areas were selected to survey and analyze visual preference and ecological diversity. The result showed that scale is an element that has the greatest impact on visual preference. In areas with high ecological diversity, scale and connectivity had the biggest impact. In order to have a planting design desirable visually and ecologically based on these factors, it may be divided into following three issues.(1) In oder to increase ecological diversity in areas with strong visual preference, a priority should be given to introduce techniques promoting harmony among dominant species of various scales and other species. At the same time, there should be efforts to secure connectivity. (2) To improve visual preferences in areas with high ecological diversity, close-range, medium-range, and distant landscapes should be ensured by aligning colors and connectivity of various scales with other factors. (3) Also, a target area should be developed into a visually preferred and ecologically sound area by supplementing form and interlocking issues and identifying the spirit of the place. This study offers a way to improve visual preference and promote ecological diversity indeveloping ecological parks for the future. In landscape planning and design, it is important to secure various scales and connectivity as high-priority principles.

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Survey of actual status of ecological environment elements of certification schools of environment friendly architecture (친환경건축물인증학교의 생태환경요소에 대한 실태조사)

  • Song, Byung-joon;Cho, Jin-il
    • The Journal of Sustainable Design and Educational Environment Research
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    • v.7 no.1
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    • pp.39-55
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    • 2008
  • The purpose of this study is to suggest improvement of certification standards of environment friendly architecture in ecological environment field by surveying and analyzing actual status of actual certification schools of environment friendly architecture per ecological environment elements through extracting ecological environment elements which is possible to analyze in quantity certification standards of environment friendly architecture. As contents of the study, first, certification as an examination on certification system of environment friendly architecture, summary of certification system of environment friendly architecture, ecological environment elements which is possible for quantitative analysis of ecological environment certification standards were extracted. Second, actual status of ecological environment elements per school grade, region, and population increase by collecting actual data of certification schools of environment friendly architecture. Third, using analysis data of ecological environment elements, ecological area ratio of certification schools of environment friendly architecture per weighted values of space types was calculated and the results were analyzed as the follows. (1) In case of preliminary certification out of total objects of investigation schools was average 34.06% but in this case of certification, it was reduced to 33.07%. However, it is difficult to make judgment as actual evidence data since ecological area ratio of actual preliminary certification is data based on drawing planes. Therefore, in case of this certification, elementary schools was investigated at average 33.11%, middle schools 34.81%, and high schools 31.28% and middle school showed the highest relatively. (2) Besides, average composition ratio of ecological area ratio was 63.04% in case of this certification regardless of school grade and region and it was analyzed that about 70% of ecological area ratio is composed of the natural based green area including pure natural based green land and 6.89% of ecological learning institute.

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An Evaluation of Natural-Ecological Function for Planning and Management on Forest (산림녹지의 계획 및 관리를 위한 자연생태적 기능 평가)

  • Lee, Woo-Sung
    • Journal of the Korean Institute of Landscape Architecture
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    • v.39 no.5
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    • pp.1-11
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    • 2011
  • Many studies which assessed the function of forest are focused on usage of citizen, but studies which focused on natural-ecological function still lack. Hence, the purpose of this study is to select and apply the evaluation indicators on natural-ecological function of forest as a base research for sustainable planing and management. First, the 35 indicators were selected by the review of the internal and external 56 literature. The 12 indicators among those were reselected as natural-ecological indicator by the first survey and 7 indicators such as green area, connectivity etc. were determined through MCB analysis by the second survey. Also, the weights of 7 indicators for the functional evaluation were computed using AHP analysis by the third survey. As aresult of AHP analysis, the naturality was showed the highest indicator by 0.189, while the NDVI was evaluated the lowest indicator by 0.063. According to the result of evaluating the natural-ecological function on forest in Daegu which was selected as suitable study area, the natural-ecological functions around the Mt. Ap and Mt. Chengryong, top of Mt. Biseul had more than 85 scores, so those were assessed as an excellent area. On the other hand, the functions around the western area of Mt. Waryong and Mt. Macheon, the Mt. Daeni of Dalseong-Gun had less than 50 scores, which means that the area had to be controled by sustainable management. Therefore, we will be able to utilize the basic data for the preservation and management at urban and environmental planning through the results of this study.

Managemtn Devices of Urban Forest in Accordance with Ecological Characteristics in the Case of Buncheon City (생태적 특성에 따른 산림녹지의 관리방안 -부천시의 사례-)

  • 한봉호;이경재
    • Journal of the Korean Institute of Landscape Architecture
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    • v.29 no.1
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    • pp.51-66
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    • 2001
  • The purpose of this study is to suggest the ecological management based on ecological characteristics of urban forest in Bucheon city. The actual vegetation area in the survey sites(7,426,587$m^2$) consisted of Robinuia pseudoacacia forest(61.6%; 5,574,168 $m^2$), Pinus rigida forest(6.1%), Quercus mongolica community(3.2%), Q.spp.community(2.9%), etc. According to the importance value of artificial planting forest, 58(/300$m^2$) survey plots were divided into 6 groups; 1) R. pseudoacacia forest, 2) R. pseudoacacia-Q.serrata community, 3) R. pseudoacacia-Q.mongolica community, 4) P.rigide forest, 5) P.rigida-Q.serrata community, 6) P.rigida-Q. mongolica community. As the result, the artificial planting forest was expected to the proceeded to Q. serrata community and Q.mongolica community. The ecological succesion stage in the survey sites (7,426,587$m^2$) was divided into 5 states based on actual vegetation, succession trend of artificial planting forest in Bucheon; 1) Stage of impossible succession(4.7%, 2)Stage of inducible succession(78.7%), 3) Stage of progressive succession(2.7%), 4)Sage of last succession(1.4%), 5)Stage of native plant forest(12.5%). The ecological management of urban forest was suggested as the management method for succession promotion, according to density controlling and native species planting in Bucheon. Individual numbers of R. pseudoacacia might be reduced to 6~8 individuals/300$m^2$ at canopy, 9~21 individuals/300$m^2$ at under-story by selective cutting in order to keep 63~70% of total basal area at R. pseudoacacia forest. Individual numbers of P.rigida might be reduced to 8~9 individuals/300$m^2$ at canopy, 27~30individuals/300$m^2$ at under-story by selective cutting in order to keep 68~75% of total basal area at P. rigida forest. 24 species that were selective by constancy analysis were chosen as the ecological appropriate species. Since, this studyis discussing the ares of urban forest and botanical ecology, it is suggested that a study on the relations between of environmental factors such as soil, climate, and vegetation will be performed in the future.

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A Study on the Outdoor Space of Child Care Facility for Ecological Education (생태교육을 고려한 영유아보육시설의 외부공간계획에 관한 연구)

  • Lee, Ji-Su;Nam, Hae-Kyeong
    • Journal of the Korean Institute of Rural Architecture
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    • v.22 no.1
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    • pp.21-30
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    • 2020
  • It is a trend to pursue the reinforcement of child-centered, play-oriented ecological education programs that support children's development. Most of these nature friendly and eco education is done in the outdoor space. So outdoor activities in child care facilities are essential. The purpose of this study was to analyze the actual condition of the outdoor space for ecological child education in the child care center. Therefore, in order to provide the basic data for the direction of the improvement and to grasp the current situation and problems, the survey and analysis of the external space composition and utilization status in the child care facilities for nature-friendly ecological child care education has been done. As a result, the half of the cases did not reserve even the minimum size of outdoor space and fall short of the standards of outdoor space quality as accessibility, complexity, articulation and nature friendliness for ecological education. Therefore, in order to establish an ecological education environment, it is necessary to build facilities in natural green or suburban areas. In addition, they need to use the natural environment such as parks, open spaces, and forests.

A base study of an Ecological Mapping technique by using GIS and Remote Sensing (GIS와 RS를 이용한 생태지도 작성기법에 관한 기초연구)

  • Yi, Gi-Chul;Lee, Won-Hwa;Yoon, Hae-Soon;Nam, Chun-Hee;Kim, Gu-Yeon;Kim, Seong-Hwan;Suh, Sang-Hyun
    • Journal of the Korean Association of Geographic Information Studies
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    • v.7 no.3
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    • pp.57-69
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    • 2004
  • This study developed an ecological mapping technique with GIS database using the analyses of existing ecological survey reports and the change detection on the Nakdong river estuary. The data which are used to establish GIS DB include 2 Landsat TM images on Nov. 31, 1984 and May 17, 1997, 1:25,000 topographical maps established by National Geography Institution and various ecological survey reports published by Busan metropolitan city government. The details for producing ecological map are as follows. At first, the current methods of ecomapping efforts and previous ecological surveys of Nakdong river estuary were carefully examined. Secondly, the land cover maps were created from the classified Landsat images of 1984 and 1997 for the spatiotemporal ecosystem analysis. Thirdly, the ecosystem was evaluated by using GIS ecological database based on the criteria of botany, zoology and water quality etc. Each criteria was reclassified into 3 stages which describe the overall quality of ecological condition. At last, the comprehensive ecological map was suggested as a prototype of ecosystem assesment and management tool with the discussion of further study. The findings of this study would be a milestone for preserving and managing the ecosystem.

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Factors Associated with Gastric Cancer Screening of Koreans Based on a Socio-ecological Model (사회생태학적 모형에 기반한 한국인 위암검진 수검의 관련 요인)

  • Bae, Sang-Soo;Jo, Heui-Sug;Kim, Dong-Hyun;Choi, Yong-Jun;Lee, Hun-Jae;Lee, Tae-Jin;Lee, Hye-Jean
    • Journal of Preventive Medicine and Public Health
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    • v.41 no.2
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    • pp.100-106
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    • 2008
  • Objectives : We measured behavioral factors associated with Koreans receiving gastric cancer screening based on a socio-ecological model, in part to develop strategies to improve cancer screening rates. Methods : A telephone survey was conducted with 2,576 people chosen through stratified random sampling from April 1 - May 31, 2004. Collected information included gastric cancer screening, socio-demographic factors, and socio-ecological factors at intrapersonal, interpersonal, community, and public policy levels. Results : Among 985 survey respondents(380 men and 605 women), 402 had received gastric cancer screening. Logistic analysis was performed to compare those screened and unscreened. 'Age' was the only demographic factor that showed a statistically significant association with getting screening. People in their fifties (OR=1.731, 95% CI=1.190-2.520) and sixties (OR=2.098, 95% CI=1.301-3.385) showed a higher likelihood of getting screened, compared to those in the forties. 'Accessibility to a medical institution' was a significant factor related to having gastric cancer screening at the intrapersonal level. At the interpersonal level, recommendations by family members to be screened and a family practice of routine cancer screening were significantly related. People with frequent education about cancer screening or with stronger social feelings that cancer screening is necessary also demonstrated significantly higher tendencies to be screened. Conclusions : In conclusion, a socio-ecological model seems appropriate for explaining gastric cancer screening behavior and associated factors. Health planners should develop integrated strategies to improve cancer screening rates based on socio-ecological factors, especially at the interpersonal and community levels.

Contribution of Ecological Surveys to Coastal Conservation: A Case in Soft Shore Study

  • Tai, K. K;Cheung, S.-G;Shin, P.-K.-S.
    • The Korean Journal of Ecology
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    • v.27 no.3
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    • pp.127-131
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    • 2004
  • Soft shores are particularly vulnerable to human exploitation; however, they exhibit a variety of habitats which provide refuge for a diversity of flora and fauna. This study describes a survey of 13 soft shores in Hong Kong with information on species diversity, sediment characteristics, shore extent, pollution threat, degree of naturalness, linkage with other ecological habitats, and degree of social/economic importance. Data collected were subjected to multivariate statistical analyses, so as to identify shores that have significant ecological status and conservation value for management purposes.

Ecological Characteristics of Lithospermum erythrorhizon Population in Habitats (지치(Lithospermum erythrorhizon) 개체군 자생지의 생태학적 특성)

  • Ahn, Young-Hee;Jin, Ying-Hua;Choe, Chang-Yong;Lee, Kyung-Mee;Lee, Sang-Hyun
    • Korean Journal of Pharmacognosy
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    • v.40 no.4
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    • pp.289-297
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    • 2009
  • This study was carried out to investigate the ecological characteristic of native Lithospermum erythrorhizon population in Korea. The survey quadrates were located in the middle of native L. erythrorhizon habitats. As the result of the research, the ecological patterns of native habitats were found to be divided into inclined plane type, ridge type, mountain-roadside type, and rock bed type. The research revealed 90 taxa in total, in which 37 families, 63 genera, 23 varieties, 6 forma, 1 sub-species and 60 species were checked in the flora of native L. erythrorhizon habitats.