IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2016  > Vol13 No.5
Driving force and changing trends of vegetation phenology in the Loess Plateau of China from 2000 to 2010
WANG Hao; LIU Guo-hua; LI Zong-shan; YE Xin; WANG Meng; GONG Li
Corresponding AuthorLIU Guo-hua
2016-05
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume13Issue:5Pages:844-856
Subtype期刊论文
AbstractChanges in vegetation phenology are key indicators of the response of ecosystems to climate change. Therefore, knowledge of growing seasons is essential to predict ecosystem changes, especially for regions with a fragile ecosystem such as the Loess Plateau. In this study, based on the normalized difference vegetation index (NDVI) data, we estimated and analyzed the vegetation phenology in the Loess Plateau from 2000 to 2010 for the beginning, length, and end of the growing season, measuring changes in trends and their relationship to climatic factors.The results show that for 54.84% of the vegetation, the trend was an advancement of the beginning of the growing season (BGS), while for 67.64% the trend was a delay in the end of the growing season (EGS). The length of the growing season (LGS) was extended for 66.28% of the vegetation in the plateau. While the temperature is important for the vegetation to begin the growing season in this region, warmer climate may lead to drought and can become a limiting factor for vegetation growth. We found that increased precipitation benefits the advancement of the BGS in this area. Areas with a delayed EGS indicated that the appropriate temperature and rainfall in autumn or winter enhanced photosynthesis and extended the growth process. A positive correlation with precipitation was found for 76.53% of the areas with an extended LGS, indicating that precipitation is one of the key factors in changes in the vegetation phenology in this water-limited region. Precipitation plays an important role in determining the phenological activities of the vegetation in arid and semiarid areas, such as the Loess Plateau. The extended growing season will significantly influence both the vegetation productivity and the carbon fixation capacity in this region.
KeywordThe Loess Plateau Trend Analysis Phenology Ndvi Vegetation Green-up Date
DOI10.1007/s11629-015-3465-2
Indexed BySCI
Language英语
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/15127
CollectionJournal of Mountain Science_Journal of Mountain Science-2016_Vol13 No.5
Recommended Citation
GB/T 7714
WANG Hao,LIU Guo-hua,LI Zong-shan,et al. Driving force and changing trends of vegetation phenology in the Loess Plateau of China from 2000 to 2010[J]. Journal of Mountain Science,2016,13(5):844-856.
APA WANG Hao,LIU Guo-hua,LI Zong-shan,YE Xin,WANG Meng,&GONG Li.(2016).Driving force and changing trends of vegetation phenology in the Loess Plateau of China from 2000 to 2010.Journal of Mountain Science,13(5),844-856.
MLA WANG Hao,et al."Driving force and changing trends of vegetation phenology in the Loess Plateau of China from 2000 to 2010".Journal of Mountain Science 13.5(2016):844-856.
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