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Eco-Environmental Risk Evaluation for Land Use Planning in Areas of Potential Farmland Abandonment in the High Mountains of Nepal Himalayas
Chaudhary, Suresh1,2,3,4; Wang, Yukuan1,3; Dixit, Amod Mani4; Khanal, Narendra Raj5; Xu, Pei1,3; Yan, Kun1,3; Liu, Qin1,3; Lu, Yafeng1,3; Li, Ming1,3
2019-12-02
Source PublicationSUSTAINABILITY
EISSN2071-1050
Volume11Issue:24Pages:6931
SubtypeArticle
Contribution Rank1
AbstractLand use change, especially that due to farmland abandonment in the mountains of Nepal, is being seen as a major factor contributing to increasing eco-environmental risk, undesirable changes in the socio-cultural landscape, biodiversity loss, and reduced capacity of the ecosystem to provide key services. This study aims to: i) evaluate eco-environmental risk for one of the high mountain river basins, the Dordi river basin in Nepal, that has a growing potential of farmland abandonment; and ii) develop a risk-based land use planning framework for mitigating the impact of risk and for enhancing sustainable management practices in mountain regions. We employed a multi-criteria analytic hierarchy process (AHP) to assign risk weightage to geophysical and socio-demographic factors, and performed spatial superposition analysis in the model builder of a geographic information system (GIS) to produce an eco-environmental risk map, which was subjected to a reliability check against existing eco-environmental conditions by ground truthing and using statistical models. The result shows that 22.36% of the basin area has a high level of risk. The very high, extreme high, moderate, and low zones accounted 17.38%, 7.93%, 28.49%, and 23.81%, respectively. A high level of eco-environmental risk occurs mostly in the north and northwest, but appears in patches in the south as well, whereas the level of moderate risk is concentrated in the southern parts of the river basin. All the land use types, notably, forest, grassland, shrub land, and cultivated farmland, are currently under stress, which generally increases with elevation towards the north but is also concentrated along the road network and river buffer zones where human interference with nature is the maximum. The risk map and the framework are expected to provide information and a scientific evidence-base for formulating and reasonable development strategies and guidelines for consensus-based utilization and protection of eco-environmental resources in the river basin. As an awareness raising tool, it also can activate social processes enabling communities to design for and mitigate the consequences of hazardous events. Moreover, this risk assessment allows an important link in understanding regional eco-environmental risk situation, land use, natural resources, and environmental management.
Keywordeco-environmental risk assessment land use planning analytical hierarchy process GIS mountain region Nepal
DOI10.3390/su11246931
Indexed BySCI
WOS KeywordCLIMATE-CHANGE IMPACT ; ECOSYSTEM SERVICES ; TIBETAN PLATEAU ; COVER CHANGES ; GIS ; RIVER ; QUALITY ; MODEL ; SCALE ; VULNERABILITY
Language英语
Quartile3区
TOP
WOS Research AreaScience & Technology - Other Topics ; Environmental Sciences & Ecology
WOS SubjectGreen & Sustainable Science & Technology ; Environmental Sciences ; Environmental Studies
WOS IDWOS:000506899000048
PublisherMDPI
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/33761
Collection山区发展研究中心
Corresponding AuthorChaudhary, Suresh; Wang, Yukuan
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China;
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
3.Wanzhou Key Reg Ecol & Environm Monitoring Stn Th, Wanzhou 404020, Peoples R China;
4.Natl Soc Earthquake Technol Nepal, POB 13667, Kathmandu Lalitpur, Nepal;
5.Tribhuvan Univ, Cent Dept Geog, Univ Campus,POB 44613, Kirtipur, Nepal
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Chaudhary, Suresh,Wang, Yukuan,Dixit, Amod Mani,et al. Eco-Environmental Risk Evaluation for Land Use Planning in Areas of Potential Farmland Abandonment in the High Mountains of Nepal Himalayas[J]. SUSTAINABILITY,2019,11(24):6931.
APA Chaudhary, Suresh.,Wang, Yukuan.,Dixit, Amod Mani.,Khanal, Narendra Raj.,Xu, Pei.,...&Li, Ming.(2019).Eco-Environmental Risk Evaluation for Land Use Planning in Areas of Potential Farmland Abandonment in the High Mountains of Nepal Himalayas.SUSTAINABILITY,11(24),6931.
MLA Chaudhary, Suresh,et al."Eco-Environmental Risk Evaluation for Land Use Planning in Areas of Potential Farmland Abandonment in the High Mountains of Nepal Himalayas".SUSTAINABILITY 11.24(2019):6931.
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