globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.13311
论文题名:
Delayed autumn phenology in the Northern Hemisphere is related to change in both climate and spring phenology
作者: Liu Q.; Fu Y.H.; Zhu Z.; Liu Y.; Liu Z.; Huang M.; Janssens I.A.; Piao S.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2016
卷: 22, 期:11
起始页码: 3702
结束页码: 3711
语种: 英语
英文关键词: autumn phenology ; climate change ; end of growing season ; Normalize Differenced Vegetation Index ; spring phenology
Scopus关键词: autumn ; climate change ; environmental factor ; growing season ; NDVI ; Northern Hemisphere ; nutrient cycling ; phenology ; spring (season) ; terrestrial ecosystem ; climate change ; desert climate ; ecosystem ; plant development ; season ; temperature ; Climate Change ; Desert Climate ; Ecosystem ; Plant Development ; Seasons ; Temperature
英文摘要: The timing of the end of the vegetation growing season (EOS) plays a key role in terrestrial ecosystem carbon and nutrient cycles. Autumn phenology is, however, still poorly understood, and previous studies generally focused on few species or were very limited in scale. In this study, we applied four methods to extract EOS dates from NDVI records between 1982 and 2011 for the Northern Hemisphere, and determined the temporal correlations between EOS and environmental factors (i.e., temperature, precipitation and insolation), as well as the correlation between spring and autumn phenology, using partial correlation analyses. Overall, we observed a trend toward later EOS in ~70% of the pixels in Northern Hemisphere, with a mean rate of 0.18 ± 0.38 days yr−1. Warming preseason temperature was positively associated with the rate of EOS in most of our study area, except for arid/semi-arid regions, where the precipitation sum played a dominant positive role. Interestingly, increased preseason insolation sum might also lead to a later date of EOS. In addition to the climatic effects on EOS, we found an influence of spring vegetation green-up dates on EOS, albeit biome dependent. Our study, therefore, suggests that both environmental factors and spring phenology should be included in the modeling of EOS to improve the predictions of autumn phenology as well as our understanding of the global carbon and nutrient balances. © 2016 John Wiley & Sons Ltd
资助项目: This study was supported by a ‘Strategic Priority Research Program (B)’ of the Chinese Academy of Sciences (XDB03030404), the National Natural Science Foundation of China (41530528 and 31321061), the 111 Project (B14001), and National Youth Top-notch Talent Support Program in China.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/61256
Appears in Collections:影响、适应和脆弱性

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作者单位: Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Peking University, Beijing, China; Department of Biology, Centre of Excellence PLECO (Plant and Vegetation Ecology), University of Antwerp, Universiteitsplein 1, Wilrijk, Belgium; Key Laboratory of Alpine Ecology and Biodiversity, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China; CAS Center for Excellence in Tibetan Plateau Earth Science, Beijing, China

Recommended Citation:
Liu Q.,Fu Y.H.,Zhu Z.,et al. Delayed autumn phenology in the Northern Hemisphere is related to change in both climate and spring phenology[J]. Global Change Biology,2016-01-01,22(11)
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