• Title/Summary/Keyword: landscape assessment

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Site Selection of Narrow-mouth Frog(Kaloula borealis) Habitat Restoration Using Habitat Suitability Index (서식처 적합성 지수(HSI)를 활용한 맹꽁이 서식처 복원 위치 선정)

  • Shim, Yun-Jin;Cho, Dong-Gil;Hong, Jin-Pyo;Kim, Duck-Ho;Park, Yong-Su;Sung, Hyun-Chan
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.18 no.2
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    • pp.33-44
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    • 2015
  • This study was performed to propose the site selection plan for the restoration of the target Narrow-mouth Frog(Kaloula borealis) habitat, and has developed the AHP model to select the optimal site for narrow-mouth frog habitat restoration on the basis of the narrow-mouth frog Habitat Suitability Index (HSI) items (factors and variables). The assessment areas were established by the narrow-mouth frog HSI factors such as space, feed, cover, water(breeding), threatening factors and others, and the sub-assessment items by each assessment area were established based on the narrow-mouth frog HSI variables. The weighting values of the assessment areas and items were calculated by the developed AHP method. The weighting values of the 5 assessment areas were arranged in order as cover(0.283), water(breeding)(0.276), feed(0.230), space(0.147), and threatening factor(0.064). The final weighting values of the 14 assessment items were arranged in order of height as low-rise grassland(0.190), soil quality(0.178), and stones and between the stones(0.105). The scoring criteria according to the assessment items and factors were marked and applied by equal intervals considering the criteria by HSI items of the narrow-mouth frog and finally the scoring criteria diagram has been proposed for the optimal site selection of the narrow-mouth frog habitat restoration.

Relationship between Image-processed Color Content and Human Color Visibility Estimation of Natural Forest Scenes

  • Yhang, Wii-Joo
    • Journal of Environmental Science International
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    • v.11 no.8
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    • pp.765-771
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    • 2002
  • The current study investigated the relationship between image processed data and human visibility data for natural forest scenes from the perspective of color. In particular, the results indicated relatively low Pearson product-moment correlations between the color ratings obtained from the two methods used in the study. The first method measured the color content of slides using a image processing program, while the second used a panel of human judges to rate the color content of each slide.

A Study on the Evaluative Models and Indicators for Diagnosis of Urban Visual Landscape - Focusing on Seoul City - (도시경관 진단을 위한 평가모델 및 지표개발 연구 - 서울시를 중심으로 -)

  • Kim, Seung-Ju;Im, Seung-Bin
    • Journal of the Korean Institute of Landscape Architecture
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    • v.37 no.1
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    • pp.78-86
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    • 2009
  • Recently, there seems to besome problems in the urban visual landscape as a result of continuous economic growth and industrial development. At the same time, the public has begun to be aware of the importance of visual resources, and the necessity for visual landscape conservation and improvement. Therefore, the development of evaluative indicators for systematic visual landscape planning and design is urgent. The purpose ofthis study is to discover evaluative models and indicators for the diagnosis of urban visual landscapes. This study included the selection of 18 physical indicators(statistical data) by literature reviews, adoption of field and questionnaire surveys at 12 autonomous districts in Seoul and surrounding major mountain valleys and river streams(i.e. Mt. Nam and Han-River). The content of the questionnaire is scenic beauty. Moreover, the linear regression analysis between the scenic beauty mean scores and the physical indicator scores figure out the scenic beauty prediction model. As this study suggests, the most important indicators in urban visual landscapes are 'Greens', 'Park' and 'the number of apartment buildings(higher than 20 stories).' Based on the results, greens and parks should be priority elements to considerin urban landscape planning and design. Moreover, since the number of apartment buildings that are higher than 20 stories has a negative correlation with the scenic beauty score, it can be used as basic data for landscape planning. For the scenic beauty prediction models and evaluative indicators suggest a direction of urban management, each indicator becomes basic data for visual landscape planning and design. In following studies, if physical indicators and case studies are added, the scenic beauty prediction models and evaluative indicators could be more synthetic and systematic. Moreover, the development of physical indicators in three dimensions(3D)(i.e. results from visual district analysis, view surface analysis) could be expected to obtain more general and varied results.

Monitoring and restoration plan after construction of Wildlife Corridor at Mt. Galmachi of Sungnam City (성남시 갈마치 지역의 야생동물이동통로 복원계획 및 조성 후 모니터링)

  • Chun, Seung-Hoon;Lee, Sang-Don;Chae, Soo-Kwon
    • Journal of Environmental Impact Assessment
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    • v.20 no.6
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    • pp.907-914
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    • 2011
  • This study aims at monitoring the efficiency of wildlife corridor in the city of Sungnam, Gyunggi Province. During 2008-2010 for 13 months the CCTV in the city office followed number and population density using the wildlife corridor. Based on the monitoring Korean raccoon dog(Nyctereutes procyonoides) and water deer(Hydropotes inermis), Korean hare(Lepus coreanus), Korean yellow-weasel(Mustela sibirica), Korean squirrels(Sciurus vulgaris) used most often and counting 884 individuals.. This counts over 73% of targeted species and also verifies the project objectives. In future the monitoring should be increased and identify behavioral patterns focusing on ecological networks of previously fragmented habitats.

The Evaluation and Comparison of Alternative Site for the Second Service Facilities Zone near the Tonghak Temple in Mt. Kyeryong National Park (계룡산 국립공원 동학사 제2집단시설지구의 위치선정평가 및 대안비교)

  • Lee, Hee-Seon;Lee, Kyoo-Seock
    • Journal of Environmental Impact Assessment
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    • v.4 no.2
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    • pp.29-37
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    • 1995
  • The national park should be preserved in accordance with the regulation, but the development planning or facilities management planning has not been faithful to the spirits of the regulation. Recently natural environment has been radically changed, and especially damaged by large scale development of Service Facilities Zone. Thus the effective land use planning of the national park is required. Therefore, the purpose of this study is to propose the alternative site for The Second Service Facilities Zone in Mt. Kyeryong National Park using the GIS, and to compare the alternative site with the existing development site. Site selection was based on Rules of Combination which covers topographic analysis, viewshod analysis, distance analysis from hot spring well, land use analysis, and forest stand analysis.

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Content Analysis of Mitigation Measures in Environmental Impact Statement (환경영향평가서 저감방안의 실효성에 대한 연구: 내용분석을 중심으로)

  • Yi, Young Kyoung;Yi, Pyong In
    • Journal of Environmental Impact Assessment
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    • v.6 no.2
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    • pp.165-180
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    • 1997
  • Mitigation measures in EIS are the important factors in the effectiveness of EIS. This paper analyzed the content of mitigation measures described in the 30 EISs selected, using 7 analysis items in order to discover the degree of effectiveness of mitigation measures. 30 EISs used in this study were selected through variance maximization strategy, and the 7 analysis items were; 1) thoroughness of mitigation content, 2) quantification of mitigation content, 3) explicit description of mitigation effect, 4) likelihood of mitigation effect, 5) impacted area of mitigation effect, 6) time frame of mitigation effect, and 7) environmental impact of mitigation measures. The results showed that the effectiveness of mitigation measures in the analyzed EISs was relatively low both in the appropriateness and in the specificity. It was suggested that in order to improve the appropriateness of EIS as a decision making tool, the effect of mitigation measures, as well as the mitigation measures themselves, should be studied and described more thoroughly and specifically.

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Fauna of Some Parks Around Kunsan-City and Biological Impact on the Developments of These Parks (군산시 공원주변의 동물상과 개발에 따른 생물학적인 영향 및 대책)

  • Kim, Sei-Cheon;Youn, Chang-Ho;Seo, Hong-Reol
    • Journal of Environmental Impact Assessment
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    • v.7 no.1
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    • pp.23-34
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    • 1998
  • This study was carried out to survey the fauna of some parks around Kunsan-city and to establish biological impact on the development of those parks. Among the fauna surveyed, insects consist of 74 species in 49 families and 13 orders. The insect fauna was poor, because the environment was made of simple flora and mostly farmland. Fish in the reservoir of Wolmyong-Park consist of 7 species. Among them, Ctenopharyngodon idellus is an exotic species and characterized with its voracious plantfeeding. This fish severely destroyed the habitats and spawning sites of other sympatric fish. For the conservation of non-exotic fish, birds, and mammals in the area, the integrated biological direction would be needed.

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The Comparison of Visual Interpretation & Digital Classification of SPOT Satellite Image

  • Lee, Kyoo-Seock;Lee, In-Soo;Jeon, Seong-Woo
    • Proceedings of the KSRS Conference
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    • 1999.11a
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    • pp.433-438
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    • 1999
  • The land use type of Korea is high-density. So, the image classification using coarse resolution satellite image may not provide land cover classification results as good as expected. The purpose of this paper is to compare the result of visual interpretation with that of digital image classification of 20 m resolution SPOT satellite image at Kwangju-eup, Kyunggi-do, Korea. Classes are forest, cultivated field, pasture, water and residential area, which are clearly discriminated in visual interpretation. Maximum likelihood classifier was used for digital image classification. Accuracy assessment was done by comparing each classification result with ground truth data obtained from field checking. The classification result from the visual interpretation presented an total accuracy 9.23 percent higher than that of the digital image classification. This proves the importance of visual interpretation for the area with high density land use like the study site in Korea.

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A Study on the Assessment of Rurality Characteristics in Rural Amenity Resources (농촌어메니티자원의 농촌다움 특성 평가에 관한 연구)

  • Lee, Jeung-Won;Jeong, Yoon-Hee;Im, Seung-Bin
    • Journal of Korean Society of Rural Planning
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    • v.12 no.2 s.31
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    • pp.1-9
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    • 2006
  • Current environmental problems of rural area are connected to loss of rural functions which is food security as well as conservation of environment, balanced development of country and succession of traditional culture. To solve these problems, recent projects are focusing on social changes in rural area and conservation of rurality creating values of rural amenity resources. At this point, full implications of rurality which is the various aspects of rurality should be defined to be applied in direct plans to conserve the rurality. In this study, nine attributes of rurality are found as various meanings with adjectives included in image of rurality. For practical use of these adjectives of rurality attributes, we evaluate the list of rural amenity resources and suggested plans for conservation of rural amenity. These attributes can be used as an effective method for village plan which brings one of the attributes into relief.

A Study on the Reduction Measures of Energy Demand and Environmental Pollutants on the Transport Sector in Korea (교통부분에 있어서 에너지 소비 및 환경오염물질 저감방안에 관한 연구)

  • Yoon, So Won;Jung, Tae Yong
    • Journal of Environmental Impact Assessment
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    • v.12 no.4
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    • pp.229-243
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    • 2003
  • 본 연구에서는 한국에서 도로 승용차로부터 배출되는 $CO_2$, 대기오염물질 및 에너지 소비에 대한 분석, 전망을 하였다. 도로 승용차 교통부분에서의 에너지 소비 및 $CO_2$와 환경오염물질의 추세는 자동차수와 년간주행거리, 평균 탑승자수, 연료 효율을 바탕으로 구하였다. 장래 에너지 소비와 배출, 시나리오 분석은 스톡홀름 환경연구소(SEI-B(Stockholm Environment Institute-Boston))에서 개발한 LEAP(Long Range Energy Alternative Planning System)을 이용하였다. 시나리오는 2005년부터 BaU(Business-as-Usual), CNG(Compressed Natural Gas) 버스의 도입, 경차 이용의 증가, 30$/TC와 300$/TC 탄소세 도입으로 정하였다. 1998년을 기준년도로 하고 2020년을 목표년도로 하여 시뮬레이션하였다. 분석결과 2020년까지의 전망 및 시나리오 분석을 통하여 도로자가용교통부분에서 에너지를 절감하고 $CO_2$ 및 대기오염물질을 저감하기 위하여 도입한 개별정책들을 통합하고 정책간 상승 효과를 볼 수 있도록 팩키지화시키는 것이 효과적이라고 분석되었다.