Rising temperatures reduce global wheat production

doi:10.1038/nclimate2470

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	Rising temperatures reduce global wheat production
	Asseng S.; Ewert, F.; Martre, P.; Rotter, R. P.; Lobell, D. B.; Cammarano, D.; Kimball, B. A.; Ottman, M. J.; Wall, G. W.; White, J. W.; Reynolds, M. P.; Alderman, P. D.; Prasad, P. V. V.; Aggarwal, P. K.; Anothai, J.; Basso, B.; Biernath, C.; Challinor, A. J.; De Sanctis, G.; Doltra, J.; Fereres, E.; Garcia-Vile, M.; Gayler, S.; Hoogenboom, G.; Hunt, L. A.; Izaurralde, R. C.; Jabloun, M.; Jones, C. D.; Kersebaum, K. C.; Koehler, A. K.; Muller, C.; Kumar, S. N.; Nendel, C.; O'leary, G.; Olesen, J. E.; Palosuo, T.; Priesack, E.; Rezaei, E. E.; Ruane, A. C.; Semenov, M. A.; Shcherbak, I.; Stockle, C.; Stratonovitch, P.; Streck, T.; Supit, I.; Tao, F.; Thorburn, P. J.; Waha, K.; Wang, E.; Wallach, D.; Wolf, I.; Zhao, Z.; Zhu, Y.
出处	Nature Climate Change
	2015
卷	5
期	2
页	143-147
关键词	Climate-change Spring Wheat Dryland Wheat Yield Growth Drought Heat Co2 Agriculture Adaptation
英文摘要	Crop models are essential tools for assessing the threat of climate change to local and global food production(1). Present models used to predict wheat grain yield are highly uncertain when simulating how crops respond to temperature(2). Here we systematically tested 30 different wheat crop models of the Agricultural Model Intercomparison and Improvement Project against field experiments in which growing season mean temperatures ranged from 15 degrees C to 32 degrees C, including experiments with artificial heating. Many models simulated yields well, but were less accurate at higher temperatures. The model ensemble median was consistently more accurate in simulating the crop temperature response than any single model, regardless of the input information used. Extrapolating the model ensemble temperature response indicates that warming is already slowing yield gains at a majority of wheat-growing locations. Global wheat production is estimated to fall by 6% for each degrees C of further temperature increase and become more variable over space and time.
收录类别	SCI
语种	英语
ISSN号	1758-678X
DOI标识	10.1038/nclimate2470
引用统计	被引频次：291[WOS] [WOS记录] [WOS相关记录]
文献类型	SCI/SSCI论文
条目标识符	http://ir.igsnrr.ac.cn/handle/311030/38545
专题	历年回溯文献
推荐引用方式 GB/T 7714	Asseng S.,Ewert, F.,Martre, P.,et al. Rising temperatures reduce global wheat production. 2015.

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