globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.13654
论文题名:
Contrasting responses of leaf stomatal characteristics to climate change: a considerable challenge to predict carbon and water cycles
作者: Yan W.; Zhong Y.; Shangguan Z.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2017
卷: 23, 期:9
起始页码: 3781
结束页码: 3793
语种: 英语
英文关键词: carbon and water cycles ; climate change ; drought stress ; elevated CO2 concentration ; elevated temperature ; life forms ; stomatal frequency
英文摘要: Stomata control the cycling of water and carbon between plants and the atmosphere; however, no consistent conclusions have been drawn regarding the response of stomatal frequency to climate change. Here, we conducted a meta-analysis of 1854 globally obtained data series to determine the response of stomatal frequency to climate change, which including four plant life forms (over 900 species), at altitudes ranging from 0 to 4500 m and over a time span of more than one hundred thousand years. Stomatal frequency decreased with increasing CO2 concentration and increased with elevated temperature and drought stress; it was also dependent on the species and experimental conditions. The response of stomatal frequency to climate change showed a trade-off between stomatal control strategies and environmental factors, such as the CO2 concentration, temperature, and soil water availability. Moreover, threshold effects of elevated CO2 and temperature on stomatal frequency were detected, indicating that the response of stomatal density to increasing CO2 concentration will decrease over the next few years. The results also suggested that the stomatal index may be more reliable than stomatal density for determination of the historic CO2 concentration. Our findings indicate that the contrasting responses of stomata to climate change bring a considerable challenge in predicting future water and carbon cycles. © 2017 John Wiley & Sons Ltd
资助项目: This work was financially supported by the National Key Research and Development Program of China (2016YFC0501605) and the National Natural Science Foundation of China (41390463, 31370425).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/60820
Appears in Collections:影响、适应和脆弱性

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作者单位: State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, Shaanxi, China; Center for Ecological and Environmental Sciences, Key Laboratory for Space Bioscience and Biotechnology, Northwestern Polytechnical University, Xi'an, China

Recommended Citation:
Yan W.,Zhong Y.,Shangguan Z.. Contrasting responses of leaf stomatal characteristics to climate change: a considerable challenge to predict carbon and water cycles[J]. Global Change Biology,2017-01-01,23(9)
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