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Land use change in highland area and its impact on river water quality:a review of case studies in Malaysia

Ecological Processes 2018年第1期7卷 189-205页

作者： Azlini Razali Sharifah Norkhadijah Syed Ismail Suriyani Awang Sarva Mangala Praveena Emilia Zainal Abidin Department of Environmental and Occupational Health Faculty of Medicine and Health SciencesUniversiti Putra Malaysia43400 SerdangSelangorMalaysia River Basin Research Centre National Hydraulic Research Institute of Malaysia(NAHRIM)Lot 5377Jalan Putra Permai43300 Seri KembanganSelangorMalaysia

The policy of encouraging agriculture and development for mass tourism has led to environmental problems in cameron highlands,*** development and land clearing have significantly altered the land cover of cameron highlands for the past 30 *** highlands areas are prone to landslides and soil erosion which then contributed to the main water pollution issues in the network of river system,sedimentation and *** continuous trend of river water quality deterioration in cameron highlands has raised the issues for discussion in this review *** purpose of this review is to briefly summarize the land use change,agriculture practices,agro-tourism,and agriculture policy and management toward water quality of the river system network in cameron highlands specifically in the downtown where most of the development and agriculture activities are concentrated.A rigorous review has been done on the existing literature to determine the relationship between land use change and agriculture practices toward river water quality in cameron highlands from 2001 to *** total number of reviewed papers was *** outcomes established from previous researchers have highlighted factors such as soil erosion,landslides,agriculture activities,urbanization,and unplanned development associated with land use change have significantly influenced the river water quality in the highland *** land use changes without proper development plan and law enforcement may critically threaten the sustainability of river network in the highlands area.

关键词： Agriculture River water quality highlands Land use Soil erosion cameron highlands

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Regional landslide hazard assessment based on Distance Evaluation Model

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Global Geology 2008年第4期11卷 203-208页

作者： Jiacun LI Yan QIN Jing LI Key Lab of 3D Information Acquisition and Application of MOE Capital Normal University Beijing 100037 China College of Applied Technology Jilin University Changchun 130026 China College of Resources Science ＆ Technology Beijing Normal University Beijing 100037 China

There are many factors influencing landslide *** key for landslide control is to confirm the regional landslide hazard *** cameron highlands of Malaysia was selected as the study *** bivariate statistical analysis method with GIS software the authors analyzed the relationships among landslides and environmental factors such as lithology,geomorphy,elevation,road and land *** Evaluation Model was developed with Landslide Density(LD).And the assessment of landslide hazard of cameron highlands was *** result shows that the model has higher prediction precision.

关键词： distance evaluation model regional landslide hazard assessment cameron highlands

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