globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.14288
Scopus记录号: 2-s2.0-85051543360
论文题名:
Spring phenology at different altitudes is becoming more uniform under global warming in Europe
作者: Chen L.; Huang J.-G.; Ma Q.; Hänninen H.; Rossi S.; Piao S.; Bergeron Y.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2018
卷: 24, 期:9
起始页码: 3969
结束页码: 3975
语种: 英语
英文关键词: climate change ; elevation-dependent warming ; leaf unfolding ; phenology
英文摘要: Under current global warming, high-elevation regions are expected to experience faster warming than low-elevation regions. However, due to the lack of studies based on long-term large-scale data, the relationship between tree spring phenology and the elevation-dependent warming is unclear. Using 652k records of leaf unfolding of five temperate tree species monitored during 1951–2013 in situ in Europe, we discovered a nonlinear trend in the altitudinal sensitivity (SA, shifted days per 100 m in altitude) in spring phenology. A delayed leaf unfolding (2.7 ± 0.6 days per decade) was observed at high elevations possibly due to decreased spring forcing between 1951 and 1980. The delayed leaf unfolding at high-elevation regions was companied by a simultaneous advancing of leaf unfolding at low elevations. These divergent trends contributed to a significant increase in the SA (0.36 ± 0.07 days 100/m per decade) during 1951–1980. Since 1980, the SA started to decline with a rate of −0.32 ± 0.07 days 100/m per decade, possibly due to reduced chilling at low elevations and improved efficiency of spring forcing in advancing the leaf unfolding at high elevations, the latter being caused by increased chilling. Our results suggest that due to both different temperature changes at the different altitudes, and the different tree responses to these changes, the tree phenology has shifted at different rates leading to a more uniform phenology at different altitudes during recent decades. © 2018 John Wiley & Sons Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/110240
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems of the Chinese Academy of Sciences, Guangzhou, China; Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden of the Chinese Academy of Sciences, Guangzhou, China; State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, China; Département des Sciences Fondamentales, Université du Québec à Chicoutimi, Chicoutimi, QC, Canada; Sino-French Institute for Earth System Science, College of Urban and Environmental Sciences, Peking University, Beijing, China; Key Laboratory of Alpine Ecology and Biodiversity, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China; Université du Québec en Abitibi-Temiscamingue, Rouyn-Noranda, QC, Canada

Recommended Citation:
Chen L.,Huang J.-G.,Ma Q.,et al. Spring phenology at different altitudes is becoming more uniform under global warming in Europe[J]. Global Change Biology,2018-01-01,24(9)
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