Interactions between warming and soil moisture increase overlap in reproductive phenology among species in an alpine meadow
文献类型： 外文期刊
作者： Zhu, Juntao 1 ; Zhang, Yangjian 1 ; Wang, Wenfeng 3 ;
作者机构： 1.Chinese Acad Sci, Lhasa Plateau Ecosyst Res Stn, Key Lab Ecosyst Network Observat & Modeling, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
3.Tibet Acad Agr & Anim Husb Sci, Inst Agr Sci, Lhasa 850032, Peoples R China
关键词： alpine meadow;experimental warming;phenological overlap;phenological shifts;reproductive phenology
期刊名称：BIOLOGY LETTERS （ 影响因子：3.703； 五年影响因子：4.228 ）
ISSN： 1744-9561
年卷期： 2016 年 12 卷 7 期
页码：
收录情况： SCI
摘要： Climate warming strongly influences reproductive phenology of plants in alpine and Arctic ecosystems. Here, we focus on phenological shifts caused by experimental warming in a typical alpine meadow on the Tibetan Plateau. Under soil water stress caused by warming, most plants in the alpine meadow advanced or delayed their reproductive events to be aligned with the timing of peak rainfall. As a result, warming significantly increased the temporal overlap among reproductive stages of early- and late-flowering species. In addition, we found that some species, for example the late-flowering species, were unable to produce flowers and fruits under warming with failed monsoon rains. The potentially warmer- and drier-growing seasons under climate change may similarly shift the phenological patterns and change species composition of these alpine systems.
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