Changes in Vegetation Greenness in the Upper and Middle Reaches of the Yellow River Basin over 2000-2015
Wang, Wei1,2; Sun, Lin1; Luo, Yi1,2
Source PublicationSUSTAINABILITY
Corresponding AuthorLuo, Yi(luoyi@igsnrr.ac.cn)
AbstractThe Grain to Green Project (GTGP), a large ecological restoration project aiming to control soil erosion and improve the ecological environment, has been implemented since 1999 and has led to great land use changes with decreased farmland and increased forest and grass, and significant vegetation variations. Understanding vegetation variations for different land use types is important for accessing the present vegetation development and providing scientific guidance for future ecological restoration design and regional sustainable development. With two land use maps and MODIS LAI data, trend analysis, fluctuation analysis, and R/S methods were applied to analyze the vegetation dynamic changes and sustainability for converted land use types from cropland and unconverted types over 2000-2015 in the upper and middle reaches of the Yellow River. The results obtained were as follows: (1) Vegetation greening was remarkable in the entire study region (0.036 yr(-1)). The increasing rate was higher in wetter conditions with AI < 3 (0.036-0.053 yr(-1)) than arid regions with AI > 3 (0.012-0.024 yr(-1)). (2) Vegetation improved faster for converted forestland, shrubland, and grassland than unconverted types under similar drying conditions. Converted shrubland and grassland had a larger relative change than converted forestland. (3) Converted land use types generally exhibited stronger fluctuation than unconverted types with small differences among types. (4) Vegetation exhibited a sustainable increasing trend in the future, which accounted for more than 73.1% of the region, mainly distributed in the middle reach of the Yellow River. Vegetation restoration exerted important influences on vegetation greening and the effect was stronger for converted types than unconverted types.
Keywordvegetation greenness spatiotemporal dynamics land use patterns sustainable development upper and middle reaches of Yellow River
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[2016YFC0501603] ; National Natural Science Foundation of China[41390461]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaScience & Technology - Other Topics ; Environmental Sciences & Ecology
WOS SubjectGreen & Sustainable Science & Technology ; Environmental Sciences ; Environmental Studies
WOS IDWOS:000466551600353
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Document Type期刊论文
Corresponding AuthorLuo, Yi
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, 11A Datun Rd, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, 19A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, Wei,Sun, Lin,Luo, Yi. Changes in Vegetation Greenness in the Upper and Middle Reaches of the Yellow River Basin over 2000-2015[J]. SUSTAINABILITY,2019,11(7):18.
APA Wang, Wei,Sun, Lin,&Luo, Yi.(2019).Changes in Vegetation Greenness in the Upper and Middle Reaches of the Yellow River Basin over 2000-2015.SUSTAINABILITY,11(7),18.
MLA Wang, Wei,et al."Changes in Vegetation Greenness in the Upper and Middle Reaches of the Yellow River Basin over 2000-2015".SUSTAINABILITY 11.7(2019):18.
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