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논문 기본 정보

자료유형
연구보고서
저자정보
박은진 (경기개발연구원) 강규이 (경기개발연구원) 이세라 (경기개발연구원) 좌승희 (경기개발연구원)
저널정보
경기연구원 경기연구원 기본연구 기본연구 2008-06
발행연도
2008.11
수록면
3 - 6 (130page)

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This study aimed at investigating the impacts of soil exposure on stability of soil structure, soil erosion, and infiltration, and suggesting the management practices for soil conservation in urban watersheds. The study is composed of 1) literature review on the mechanism of soil stabilization and environmental impacts of soil exposure, 2) review on legislation system regarding soil conservation and management, 3) investigation of the area and aggregate stability of exposed soils in a case study area, 4) suggestion of management practices for soil conservation and improvement of soil processes. We defined "the exposed soils" as "soils that are exposed temporarily or permanently to disturbance without cover materials so that can be eroded" and examined the area and aggregate stabilities of exposed soils sampled from agricultural field (red peppers), riparian zones, roadsides, urban parks, and forests (oaks) in the Anyang Stream Watershed. The total area of exposed soils was 11.4% and the area of agricultural field soils were greatest. Soil organic matter content decreased in the order of forests, parks, agricultural fields, roadsides, and riparian zones. Aggregate stability decreased in the order of forests, parks, roadsides, riparian zones, and agricultural fields. The extent of exposure and disturbance were related to soil organic matter content and aggregate stability. Agricultural field soils contained greater organic matter content but their aggregate stability were lower comparing to roadsides or riparian soils. It was attributed to the more disturbance by agricultural activities. Grass cover on the soils of urban parks seemed to bring greater stability of soil aggregates comparing to other soil types. It seemed that grass can hold soil particles tightly and stabilize soil structure.
In order to conserve soil structural stability and ecosystem, I suggest that the use of soil ecological index and soil conservation guideline for legislation system controlling construction works, soil bank system for recycling surface soils, recycling of wood materials as cover of soil surface, and soil education should be urgently conducted.

목차

제1장 서론
제2장 토양안정성과 환경영향 이론 및 선행 연구
제3장 표토보전 정책 현황 및 관련 법률 검토
제4장 노출토양 실태 및 특성 분석
제5장 표토보전 및 생태성 향상 방안 제안
제6장 결론 및 정책건의
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ABSTRACT
연구 요약
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UCI(KEPA) : I410-ECN-0101-2010-309-002943596