期刊
BIOLOGY LETTERS
卷 12, 期 7, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rsbl.2015.0749
关键词
alpine meadow; experimental warming; phenological overlap; phenological shifts; reproductive phenology
资金
- 973 Programme of the Ministry of Science and Technology of China [2013CB956302, 2010CB950603]
- National Natural Science Foundation of China [41571195]
- West Light Foundation of the Chinese Academy of Sciences
- Construction Service Programme for Cultivating Unique Institute of the Chinese Academy of Sciences [TSYSJ05]
- State Key Laboratory of Resources and Environmental Information System
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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