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Challenging the land degradation in China's Loess Plateau: Benefits, limitations, sustainability, and adaptive strategies of soil and water conservation
Jiang, Chong1,2,3; Zhang, Haiyan4; Wang, Xinchi5; Feng, Yuqing6; Labzovskii, Lev7
2019-02-01
Source PublicationECOLOGICAL ENGINEERING
ISSN0925-8574
Volume127Pages:135-150
Corresponding AuthorJiang, Chong(jiangchong1987@gmail.com)
AbstractLand degradation is a global environmental problem that threatens human safety and socioeconomic development. In order to alleviate severe soil erosion, China has implemented historically unprecedented large-scale afforestation. In this study, we selected the most severely eroded Loess Plateau as a case, to assess the effectiveness of soil and water conservation (SWC) efforts based on the Revised Universal Soil Loss Equation. In addition, the underlying drivers for soil erosion changes and hydrological effects of SWC were investigated, and finally the potential policy implications of our findings were discussed. The soil erosion intensity from 2000 to 2015 was weakened largely due to favorable climate conditions and SWC efforts, which promoted vegetation restoration and enhanced soil retention. However, there was a significant trade-off between water provision and soil retention functions. The excessively artificial afforestation reduced sediment yield but depleted surface runoff. Furthermore, artificial afforestation and increasing irrigation water consumption overused groundwater resources and finally lowered groundwater table. The SWC efforts characterized by artificial afforestation induced soil moisture declining, particularly for the conversion type of farmland to forest/ shrub. Our results suggested that afforestation might be a poor choice in arid and semiarid regions, because it did not consider local precipitation conditions, and have exacerbated water shortages and offset SWC efforts. Therefore, the future ecological restoration efforts should be transformed from simple species-based measures to optimal plant species combinations to minimize the tradeoff between water yield and soil retention. The strategies for ecological restoration of drylands should also account for water balance to ensure effectiveness and sustainability.
KeywordLand degradation Soil erosion Soil and water conservation Ecological restoration Soil moisture
DOI10.1016/j.ecoleng.2018.11.018
WOS KeywordYELLOW-RIVER BASIN ; INNER MONGOLIA REACH ; ECOSYSTEM SERVICES ; CLIMATE-CHANGE ; ECOLOGICAL RESTORATION ; MIDDLE REACHES ; SEDIMENT LOAD ; EROSION RISK ; AFFORESTATION ; VEGETATION
Indexed BySCI
Language英语
Funding ProjectGuangdong Academy of Sciences (GDAS)' Project of Science and Technology Development[2019GDASYL-0103001] ; Guangdong Academy of Sciences (GDAS)' Project of Science and Technology Development[2017GDASCX-0701]
Funding OrganizationGuangdong Academy of Sciences (GDAS)' Project of Science and Technology Development
WOS Research AreaEnvironmental Sciences & Ecology ; Engineering
WOS SubjectEcology ; Engineering, Environmental ; Environmental Sciences
WOS IDWOS:000455632500014
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/50456
Collection中国科学院地理科学与资源研究所
Corresponding AuthorJiang, Chong
Affiliation1.Guangzhou Inst Geog, Guangdong Open Lab Geospatial Informat Technol &, Guangzhou 510070, Guangdong, Peoples R China
2.Guangzhou Inst Geog, Key Lab Guangdong Utilizat Remote Sensing & Geog, Guangzhou 510070, Guangdong, Peoples R China
3.Beijing Normal Univ, Coll Global Change & Earth Syst Sci, Beijing 100875, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
5.Southern Univ Sci & Technol, Sch Environm Sci & Engn, Shenzhen 518055, Peoples R China
6.China Univ Geosci Beijing, Sch Water Resources & Environm, Beijing 100083, Peoples R China
7.Natl Inst Meteorol Sci, Div Climate Res, Seogwipo Si 63568, Jeju Do, South Korea
Recommended Citation
GB/T 7714
Jiang, Chong,Zhang, Haiyan,Wang, Xinchi,et al. Challenging the land degradation in China's Loess Plateau: Benefits, limitations, sustainability, and adaptive strategies of soil and water conservation[J]. ECOLOGICAL ENGINEERING,2019,127:135-150.
APA Jiang, Chong,Zhang, Haiyan,Wang, Xinchi,Feng, Yuqing,&Labzovskii, Lev.(2019).Challenging the land degradation in China's Loess Plateau: Benefits, limitations, sustainability, and adaptive strategies of soil and water conservation.ECOLOGICAL ENGINEERING,127,135-150.
MLA Jiang, Chong,et al."Challenging the land degradation in China's Loess Plateau: Benefits, limitations, sustainability, and adaptive strategies of soil and water conservation".ECOLOGICAL ENGINEERING 127(2019):135-150.
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