• Title/Summary/Keyword: Environmental conservation

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Drawing of Habitat Assessment Map and Conservation Value Assessment for Environmental Friendly Road Construction (환경친화적인 도로건설을 위한 생물서식처 보전가치 평가 및 지도화)

  • Kang, Ho-Geun;Park, Mi-Ran;Park, Tae-Kwen;Kim, Heung-Lae;Lee, Sang-Eun
    • Journal of Korean Society of Environmental Engineers
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    • v.31 no.8
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    • pp.611-618
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    • 2009
  • Road construction has been worked on by focusing on cost effectiveness such as the reduction of construction costs without understanding the natural environment and ecosystems. In addition, since ecosystems have been destroyed and the habitats of animals and plants have been isolated, wild animals have sought other habitats or have moved into isolated habitats. Thus, issues such as roadkills or the extermination of species are increasingly occurring. Based on this background, the development and application of a general assessment method need to be researched in order to verify whether or not spaces or habitats where animals can be inhabited and their species can be maintained exist. The purpose of this study is to develop an ecosystem map where a conservation value evaluation method considering the functions of an ecosystem where animals live as well as the naturalness of ecosystems is used and can be made into a drawing. The items applied to evaluate the habitat conservation values were naturalness, rarity, and functionality, and sub-items for evaluation were created. GIS as well as the evaluation items were used to create a digital map about the level of importance based on the evaluation criteria. The created digital map showed that it was not limited to the adjustment or distribution of the fauna and flora but was applicable for a general ecosystem evaluation method for the conservation of habitats. It is expected that the isolation of habitats would be able to be minimized if the digital map is used for road construction projects. The digital map is deemed to be able to be used for the construction of environmentally friendly roads, which will minimize the destruction of ecosystems and the isolation of habitats for creatures.

THE EFFICIENT ESTIMATE OF ENVIRONMENTAL MANAGEMENT COSTS IN THE CONSTRUCTION SITES

  • Hyuk Moon;Sung-Jin Kim;Jae-Jun Kim
    • International conference on construction engineering and project management
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    • 2005.10a
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    • pp.437-446
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    • 2005
  • Recently as people's values are changing from development phase into running stage after quality of life, so that the needs of environmentally friendly construction are gradually increasing. Also populace discontent about the pollution during construction process such as the noise and vibration caused by construction machinery is increasing. Even though it is impossible to eliminate the construction pollution fully, it is necessary to make efforts to reduce construction pollution to a minimum. In terms of construction site operating, the first possible step for solving these matters directly is that the necessary sum of expenses must be secured as the environmental management costs in the conceptual phase. However, in fact, the environmental management costs have not been secured in the budget. Generally it is the major reason not arising proper activities to prevent the pollution in the construction site. The purpose of this research is to suggest the efficient budgeting method regarding Environmental management costs to ensure the necessary sum of environmental management expenses. To provide an efficient budgeting method, interviews with the person in charge of environment management was conducted. 78 construction sites was surveyed and environmental management costs were analyzed through their historical data from the survey. According to the results of analysis, the ratio of environmental management costs is revealed 0.45% of construction cost as average comparing 0.2% of legal limit. And usually the environmental management cost was appropriated into the safety management budget. So it is needed to isolate environmental management budget securely and modify the ratio of Environmental conservation Costs in Construction Technology Management Act.

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Study on Application of Topographic Position Index for Prediction of the Landslide Occurrence (산사태 발생지 예측을 위한 Topographic Position Index의 적용성 연구)

  • Woo, Choong-Shik;Lee, Chang-Woo;Jeong, Yongho
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.11 no.2
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    • pp.1-9
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    • 2008
  • The objective of the study is 10 know the relation of landslide occurrence with using TPI (Topographic Position Index) in the Pyungchang County. Total 659 landslide scars were detected from aerial photographs. To analyze TPI, 100m SN (Small-Neighborhood) TPI map, 500m LN (Large-Neighborhood) TPI map, and slope map were generated from the DEM (Digital Elevation Model) data which are made from 1 : 5,000 digital topographic map. 10 classes clustered by regular condition after overlapping each TPI maps and slope map. Through this process, we could make landform classification map. Because it is only to classify landform, 7 classes were finally regrouped by the slope angle information of landslide occurrence detected from aerial photography analysis. The accuracy of reclassified map is about 46%.

A Substitute Habitat Planning for 'Kaloula borealis' Based on Wetlands (습지를 기반으로 하는 맹꽁이 대체서식처 조성 계획)

  • Jung, Young Sun;Park, Mi Ok;Koo, Bon Hak
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.16 no.1
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    • pp.1-15
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    • 2013
  • This study was carried out to make a plan and design the substitute habitat for Kaloula borealis by pre-proposed planning model for wildlife based on wetlands. The habitat characteristics and distribution status in study area, Shingi village in Gunpo, Gyeonggi Province, were surveyed and restoration strategies of habitats including conservation, enhancement were established by conservation value assessment, and the substitute habitat needed to replace was selected. One of three potential substitute habitats in the same watershed to the original habitat was selected by suitable site assessment. And finally the substitute habitat for Kaloula borealis was planned by the planning indices, and some adults and tadpoles were captured and released into built substitute.

The Study of Land Aptitude Assessment System Improvement Plan (토지적성평가 체계의 개선방안 연구)

  • Jeong, Jong-Chul;Lee, Sanggil
    • Journal of Environmental Impact Assessment
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    • v.14 no.2
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    • pp.75-81
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    • 2005
  • The purpose of this study is to understand the appropriateness of land aptitude assessment system and to draw up the improvement of this method. The land aptitude assessment system is used to evaluate the effective demand of land development and land conservation. But, this assessment system has the technical problem of selection standards because the land development and the land conservation are against each other. In terms of the relation between development and conservation of land aptitude assessment system, development was increased rapidly as the economic pressure of local government. The application of the land aptitude assessment system using GIS methods was very useful for local plan. However, this system need to improve the selection standards of GIS parameters and statistical methods for the desirable land assessment system.

A Study on the Classification of Landscape Elements for Effective Management of Agricultural Landscape (농업생산공간 경관의 효율적 관리를 위한 경관구성요소 분류에 관한 기초 연구)

  • Chae, Hye-Sung;Kim, Hye-Min
    • Journal of Korean Society of Rural Planning
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    • v.11 no.3 s.28
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    • pp.1-9
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    • 2005
  • Recently, it is demanded to study about agri-environmental indicators including rural landscape indicators. However, there are deficiency to establish the policy of int landscape. This is the base study for the policy decision or management for conservation of agricultural landscape or rural landscape. The objectives of this study were 1) to analyze the supporting elements in the foreign policies, 2) to analyze the agricultural landscape elements and visual values in the field and 3) to make the classification form about the agricultural landscape. And finally, this study suggests the management guides for the conservation of agricultural landscape according to the teleological measures. Through this results, it would be expected to develop the efficient policy of rural landscape such as the direct payment program for rural landscape conservation.

Study on Assessment Institution of Urban Ecosystem in Korea (우리 나라의 도시생태계 평가제도 고찰)

  • 오충현
    • Korean Journal of Environment and Ecology
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    • v.16 no.2
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    • pp.188-194
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    • 2002
  • Assessment institution of urban ecosystem is divided into ‘Urban Planning Act’and ‘Environmental Management Act’in Korea. The assessment institution of urban planning is divided into ‘Standard of land development approval’and ‘Environmental assessment of urban planning’. The institution of environmental management is divided into ‘Environmental impact assessment’and ‘Advance environmental assessment’. Assessment institution of urban ecosystem is progressed very slowly, because of development oriented policy. And so there are many problems that objective assessment method is not invented except ‘Degree of growing tree number per unit area’and ‘Degree of human disturbance of vegetation’, and insufficiency of conservation measures or post evaluation, etc. Activation of assessment institution of urban ecosystem is necessary followed countermeasures in Korea. (1) Development of objective assessment method for urban ecosystem as biotope map, (2) Appointment of censer-vation zone or consideration of damage for high value in conservation, (3) Parallel establishment of development and ecosystem conservation plan, and enforcing post evaluation