Assessing crop–livestock water productivity in mixed-farming systems across climatic zones of Burkina Faso

IF 1.6 Q3 WATER RESOURCES Water Practice and Technology Pub Date : 2023-10-12 DOI:10.2166/wpt.2023.162
Charles Lamoussa Sanou, Sampson Kwaku Agodzo, Enoch Bessah, Philip Antwi-Agyei
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Abstract

Abstract Climate change adversely impacts food and feed production, depletes water, and increases the vulnerability of the people living within arid and semi-arid areas. The current study aims to assess crop–livestock water productivity within such drought-recurrent or water-stressed regions. This was done through secondary data collection and interviews from 589 households across the Sudan, Sudan–Sahel, and Sahel climatic zones of Burkina Faso. The findings confirm that the feeding strategies of livestock were based essentially on natural pasture, crop residues, and agricultural by-products. Moreover, crop–livestock total water productivity (TWP) was found generally higher in the Sudan zone (0.29 ± 0.02 $US/m3) characterized by more favorable climatic conditions than the Sudan–Sahel and Sahel regions that experienced a similar TWP (0.21 ± 0.01 $US/m3). The research gives insight into the valuation of virtual water contained in livestock feeds. Improving the accessibility in quantity and quality of such feeds through informed policy actions could enhance returns on transpired water. Additionally, other water harvesting and conservation methods are also essential to sustain more productive crop–livestock systems within water-stressed regions like Burkina Faso.
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评估布基纳法索跨气候带混合耕作系统的作物-牲畜水分生产力
气候变化对粮食和饲料生产产生不利影响,导致水资源枯竭,并增加了干旱和半干旱地区人民的脆弱性。目前的研究旨在评估这些干旱反复发生或缺水地区的作物-牲畜水分生产力。这是通过对苏丹、苏丹-萨赫勒和布基纳法索萨赫勒气候带的589户家庭进行二次数据收集和访谈来完成的。研究结果证实,牲畜的饲养策略主要基于天然牧草、作物残留物和农业副产品。此外,气候条件有利的苏丹区作物-牲畜总水分生产力(TWP)普遍高于气候条件相似的苏丹-萨赫勒区和萨赫勒区(TWP)(0.21±0.01美元/m3)。该研究对牲畜饲料中所含虚拟水的估值提供了深入的见解。通过知情的政策行动提高这种饲料在数量和质量上的可获得性,可以提高蒸发水的回报。此外,在布基纳法索等缺水地区,其他集水和节水方法对于维持更高产的作物-牲畜系统也至关重要。
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来源期刊
CiteScore
2.30
自引率
6.20%
发文量
136
审稿时长
14 weeks
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