globalchange  > 全球变化的国际研究计划
DOI: 10.17159/wsa/2019.v45.i3.6748
WOS记录号: WOS:000478725200022
论文题名:
Climate change and the water footprint of wheat production in Zimbabwe
作者: Govere, Simbarashe1; Nyamangara, Justice1; Nyakatawa, Emerson Z.2
通讯作者: Govere, Simbarashe
刊名: WATER SA
ISSN: 0378-4738
EISSN: 1816-7950
出版年: 2019
卷: 45, 期:3, 页码:513-526
语种: 英语
英文关键词: water footprints ; climate change ; wheat ; yield ; crop water requirements
WOS关键词: CHANGE IMPACTS ; DEFICIT IRRIGATION ; CHANGE ADAPTATION ; MAIZE PRODUCTION ; FOOD-PRODUCTION ; YIELDS ; REQUIREMENTS ; AGRICULTURE ; CONSTRAINTS ; SENSITIVITY
WOS学科分类: Water Resources
WOS研究方向: Water Resources
英文摘要:

Reductions in the water footprint (WF) of crop production, that is, increasing crop water productivity (CWP), is touted as a universal panacea to meet future food demands in the context of global water scarcity. However, efforts to reduce the WF of crop production may be curtailed by the effects of climate change. This study reviewed the impacts of climate change on the WF of wheat production in Zimbabwe with the aim of identifying research gaps. Results of the review revealed limited local studies on the impacts of climate change on the WF of wheat production within Zimbabwe. Despite this, relevant global and regional studies suggest that climate change will likely result in a higher WF in Zimbabwe as well as at the global and regional level. These impacts will be due to reductions in wheat yields and increases in crop water requirements due to high temperatures, despite the CO2 fertilization effect. The implications of a higher WF of wheat production under future climate change scenarios in Zimbabwe may not be sustainable given the semi-arid status of the country. The study reviewed crop-level climate change adaptation strategies that might be implemented to lower the WF of wheat production in Zimbabwe.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/142942
Appears in Collections:全球变化的国际研究计划

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作者单位: 1.Chinhoyi Univ Technol, Dept Environm Sci & Technol, P Bag 7724, Chinhoyi, Zimbabwe
2.Chinhoyi Univ Technol, Dept Crop Sci & Technol, P Bag 7724, Chinhoyi, Zimbabwe

Recommended Citation:
Govere, Simbarashe,Nyamangara, Justice,Nyakatawa, Emerson Z.. Climate change and the water footprint of wheat production in Zimbabwe[J]. WATER SA,2019-01-01,45(3):513-526
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