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A Study on the Factors Affecting Vegetation Cover After Slope Revegetation - Focused on a JSB Method of Construction -

비탈면 녹화이후 식생피복에 영향을 미치는 요인에 관한 연구 - 자연생태복원 공법을 중심으로 -

  • Kil, Sung-Ho (Graduate School, Seoul National University) ;
  • Lee, Dong-Kun (Department of Landscape Architecture and Rural System Engineering, Seoul National University) ;
  • Cho, Min-Whan (TOLIM CO. Ltd.) ;
  • Yang, Byung-E (Graduate School of Environmental Studies, Seoul National University)
  • Received : 2011.08.08
  • Accepted : 2011.10.14
  • Published : 2011.10.30

Abstract

This study was conducted on the field application for a method which is currently used. Although the method was performed with experimental knowledge, this study attempted to approach scientific ways through thirty sets of test-bed and three times monitoring limited by control variations for three months. The factors on previous studies are slope location, slope degree, type (roadfill vs. roadcut), aspect, vegetation cover, species, thickness, vertical length, horizontal length, soil type, elevation, erosion, soil-moisture, soil-hardness, pH, and so on. However, the factors of a suitable and significant level are slope degree, type, aspect, thickness, soil-moisture, vertical length and horizontal length in slope revegetation. the results were as follows : As a result of survey on soil types based on the status before construction, the rate of vegetation cover with non-mesh construction in soil areas was better than the rate of vegetation cover with fiber meshes and wire meshes. The rate of vegetation cover with fiber meshes in weathered rocks was better than using wire meshes. The rate of vegetation cover with the wire meshes in blasted rocks was better than using fiber meshes. Also, the factors affecting the rate of vegetation cover presented the number of appearance species, soil-moisture, thickness. this result presented the more appearance species as a positive role, and the lower soil-moisture and the thicker soil as a negative role.

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