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Phenology Response to Climatic Dynamic across China's Grasslands from 1985 to 2010
Wang, Jun1; Zhou, Tiancai2,3; Peng, Peihao1
2018-08-01
Source PublicationISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION
ISSN2220-9964
Volume7Issue:8Pages:17
Corresponding AuthorZhou, Tiancai(ztc18108279610@163.com)
AbstractBecause the dynamics of phenology in response to climate change may be diverse in different grasslands, quantifying how climate change influences plant growth in different grasslands across northern China should be particularly informative. In this study, we explored the spatiotemporal variation of the phenology (start of the growing season [SOS], peak of the growing season [POS], end of the growing season [EOS], and length of the growing season [LOS]) across China's grasslands using a dataset of the GIMMS3g normalized difference vegetation index (NDVI, 1985-2010), and determined the effects of the annual mean temperature (AMT) and annual mean precipitation (AMP) on the significantly changed phenology. We found that the SOS, POS, and EOS advanced at the rates of 0.54 days/year, 0.64 days/year, and 0.65 days/year, respectively; the LOS was shortened at a rate of 0.62 days/year across China's grasslands. Additionally, the AMT combined with the AMP explained the different rates (ER) for the significantly dynamic SOS in the meadow steppe (R-2 = 0.26, p = 0.007, ER = 12.65%) and typical steppe (R-2 = 0.28, p = 0.005, ER = 32.52%); the EOS in the alpine steppe (R-2 = 0.16, p < 0.05, ER = 6.22%); and the LOS in the alpine (R-2 = 0.20, p < 0.05, ER = 6.06%), meadow (R-2 = 0.18, p < 0.05, ER = 16.69%) and typical (R-2 = 0.18, p < 0.05, ER = 19.58%) steppes. Our findings demonstrated that the plant phenology in different grasslands presented discrepant dynamic patterns, highlighting the fact that climate change has played an important role in the variation of the plant phenology across China's grasslands, and suggested that the variation and relationships between the climatic factors and phenology in different grasslands should be explored further in the future.
Keywordphenology temperature precipitation dynamic northern China
DOI10.3390/ijgi7080290
WOS KeywordLAND-SURFACE PHENOLOGY ; GLOBAL TERRESTRIAL ECOSYSTEMS ; SPRING VEGETATION PHENOLOGY ; GREEN-UP DATES ; TIBETAN PLATEAU ; LAST DECADE ; TEMPERATURE SENSITIVITY ; PRECIPITATION GRADIENT ; ABOVEGROUND BIOMASS ; ALPINE GRASSLANDS
Indexed BySCI
Language英语
Funding ProjectWest Light Foundation of The Chinese Academy of Sciences
Funding OrganizationWest Light Foundation of The Chinese Academy of Sciences
WOS Research AreaPhysical Geography ; Remote Sensing
WOS SubjectGeography, Physical ; Remote Sensing
WOS IDWOS:000442750900003
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/54438
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhou, Tiancai
Affiliation1.Chengdu Univ Technol, Coll Earth Sci, Chengdu 610059, Sichuan, Peoples R China
2.Chinese Acad Sci, Synth Res Ctr, Chinese Ecosyst Res Network, Key Lab Ecosyst Network Observat & Modelling,Inst, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, Jun,Zhou, Tiancai,Peng, Peihao. Phenology Response to Climatic Dynamic across China's Grasslands from 1985 to 2010[J]. ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION,2018,7(8):17.
APA Wang, Jun,Zhou, Tiancai,&Peng, Peihao.(2018).Phenology Response to Climatic Dynamic across China's Grasslands from 1985 to 2010.ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION,7(8),17.
MLA Wang, Jun,et al."Phenology Response to Climatic Dynamic across China's Grasslands from 1985 to 2010".ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION 7.8(2018):17.
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