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Using the NDVI to analyze trends and stability of grassland vegetation cover in Inner Mongolia
Lu, Qing1,2,3; Zhao, Dongsheng4; Wu, Shaohong4; Dai, Erfu4; Gao, Jiangbo4
2019-02-01
Source PublicationTHEORETICAL AND APPLIED CLIMATOLOGY
ISSN0177-798X
Volume135Issue:3-4Pages:1629-1640
Corresponding AuthorZhao, Dongsheng(zhaods@igsnrr.ac.cn)
AbstractGrassland plays an important role in preventing desertification and conserving soil and water in arid and semi-arid regions. Grasslands are very sensitive to, and have been affected by, climate change over the past three decades. To gain an improved insight into the dynamics and stability of grassland vegetation, we evaluated trends in the vegetation cover in the Inner Mongolia grassland and its response to climate change using the normalized difference vegetation index (NDVI) datasets from 1982 to 2013. We used resilience (E) which is the sensitivity of vegetation cover to climate change relative to their mean values and the coefficient of variation (CV) to represent the stability of the grassland vegetation cover. The results indicated that changes in the growing season NDVI were not significant with the value of 0.00033/year (p=0.24) from 1982 to 2013. Using the CV to represent stability showed that the NDVI, with a CV of about 6.0, was more stable than precipitation and temperature, which had CV values of about 20.0 and 10.0, respectively. Using E as an index of the relationships between NDVI and climate variables showed that the NDVI was insensitive to both precipitation (E=0.15) and temperature (E=0.10) but sensitive to sunshine duration with the CV values of about 5.0. The higher E values for the different grassland types in summer might reflect climate change characterized by warming and decreases in precipitation. In summary, the grassland vegetation cover in Inner Mongolia was very stable over the period from 1982 to 2013. This study has crucial significance for future predictions of the influence of climate change on grassland and the results should be used to support the development of improved management strategies.
DOI10.1007/s00704-018-2614-2
WOS KeywordECOSYSTEM STABILITY ; CLIMATE CHANGES ; TERRESTRIAL ECOSYSTEMS ; ECOLOGICAL RESTORATION ; TIME-SERIES ; BIODIVERSITY ; DIVERSITY ; GROWTH ; RESPONSES ; PRODUCTIVITY
Indexed BySCI
Language英语
Funding ProjectNational Nature Science Foundation of China[41530749] ; National Nature Science Foundation of China[41571193] ; Doctoral Scientific Research Foundation of East China University of Technology[DHBK2017150] ; Scientific Research Fund of Jiangxi Provincial Education Department[GJJ170448] ; Research Center of Resource and Environment Strategies, East China University of Technology[17GL02]
Funding OrganizationNational Nature Science Foundation of China ; Doctoral Scientific Research Foundation of East China University of Technology ; Scientific Research Fund of Jiangxi Provincial Education Department ; Research Center of Resource and Environment Strategies, East China University of Technology
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000464905800055
PublisherSPRINGER WIEN
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/48199
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhao, Dongsheng
Affiliation1.East China Univ Technol, Sch Geomat, 418 Guanglan Rd, Nanchang 330013, Jiangxi, Peoples R China
2.East China Univ Technol, Res Ctr Resource & Environm Strategies, Nanchang 330013, Jiangxi, Peoples R China
3.NASG, Key Lab Watershed Ecol & Geog Environm Monitoring, Nanchang 330013, Jiangxi, Peoples R China
4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, 11A Datun Rd, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Lu, Qing,Zhao, Dongsheng,Wu, Shaohong,et al. Using the NDVI to analyze trends and stability of grassland vegetation cover in Inner Mongolia[J]. THEORETICAL AND APPLIED CLIMATOLOGY,2019,135(3-4):1629-1640.
APA Lu, Qing,Zhao, Dongsheng,Wu, Shaohong,Dai, Erfu,&Gao, Jiangbo.(2019).Using the NDVI to analyze trends and stability of grassland vegetation cover in Inner Mongolia.THEORETICAL AND APPLIED CLIMATOLOGY,135(3-4),1629-1640.
MLA Lu, Qing,et al."Using the NDVI to analyze trends and stability of grassland vegetation cover in Inner Mongolia".THEORETICAL AND APPLIED CLIMATOLOGY 135.3-4(2019):1629-1640.
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