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A review on statistical models for identifying climate contributions to crop yields

查看参考文献37篇

Shi Wenjiao 1   Tao Fulu 2   Zhang Zhao 1 *  
文摘 Statistical models using historical data on crop yields and weather to calibrate relatively simple regression equations have been widely and extensively applied in previous studies, and have provided a common alternative to process-based models, which require extensive input data on cultivar, management, and soil conditions. However, very few studies had been conducted to review systematically the previous statistical models for indentifying climate contributions to crop yields. This paper introduces three main statistical methods, i.e., time-series model, cross-section model and panel model, which have been used to identify such issues in the field of agrometeorology. Generally, research spatial scale could be categorized into two types using statistical models, including site scale and regional scale (e.g. global scale, national scale, provincial scale and county scale). Four issues exist in identifying response sensitivity of crop yields to climate change by statistical models. The issues include the extent of spatial and temporal scale, non-climatic trend removal, colinearity existing in climate variables and non-consideration of adaptations. Respective resolutions for the above four issues have been put forward in the section of perspective on the future of statistical models finally.
来源 Journal of Geographical Sciences ,2013,23(3):567-576 【核心库】
DOI 10.1007/s11442-013-1029-3
关键词 climate change ; crop yield ; influence ; adaptation ; statistical model
地址

1. Beijing Normal University, State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing, 100875  

2. Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing, 100101

语种 英文
文献类型 研究性论文
ISSN 1009-637X
学科 地质学
基金 国家自然科学基金 ;  The Science and Technology Strategic Pilot of the Chinese Academy of Sciences ;  Project Supported by State Key Laboratory of Earth Surface Processes and Resource Ecology
文献收藏号 CSCD:4800899

参考文献 共 37 共2页

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