Arid
DOI10.17159/wsa/2019.v45.i3.6748
Climate change and the water footprint of wheat production in Zimbabwe
Govere, Simbarashe1; Nyamangara, Justice1; Nyakatawa, Emerson Z.2
通讯作者Govere, Simbarashe
来源期刊WATER SA
ISSN0378-4738
EISSN1816-7950
出版年2019
卷号45期号:3页码:513-526
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.


英文关键词water footprints climate change wheat yield crop water requirements
类型Review
语种英语
国家Zimbabwe
收录类别SCI-E ; SSCI
WOS记录号WOS:000478725200022
WOS关键词CHANGE IMPACTS ; DEFICIT IRRIGATION ; CHANGE ADAPTATION ; MAIZE PRODUCTION ; FOOD-PRODUCTION ; YIELDS ; REQUIREMENTS ; AGRICULTURE ; CONSTRAINTS ; SENSITIVITY
WOS类目Water Resources
WOS研究方向Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/219300
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
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GB/T 7714
Govere, Simbarashe,Nyamangara, Justice,Nyakatawa, Emerson Z.. Climate change and the water footprint of wheat production in Zimbabwe[J],2019,45(3):513-526.
APA Govere, Simbarashe,Nyamangara, Justice,&Nyakatawa, Emerson Z..(2019).Climate change and the water footprint of wheat production in Zimbabwe.WATER SA,45(3),513-526.
MLA Govere, Simbarashe,et al."Climate change and the water footprint of wheat production in Zimbabwe".WATER SA 45.3(2019):513-526.
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