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oapen-20.500.12657-492952021-11-23T14:04:49Z Chapter Effects of Water Scarcity on the Performances of the Agricultural Sector and Adaptation Strategies in Tunisia Chebil, Ali Jebari, Sihem Thabet, Chokri Frija, Aymen Makhlouf, Mariem agricultural supply model, mathematical programming, regional level, water shortage, Tunisia bic Book Industry Communication::T Technology, engineering, agriculture::TV Agriculture & farming::TVB Agricultural science The chapter aims to develop a regionally disaggregated agricultural supply model for Tunisia in order to investigate the potential effects of increasing water scarcity on the performances of the agricultural sector in the country, and the structural adaptation strategies needed to face such a challenge. A set of scenarios combining future water availability, water use efficiency, and increasing producer prices were simulated using the developed model. Results show that the agricultural sector in Tunisia, particularly the agricultural employment, would be negatively affected in case of decreasing irrigation water availability, and mostly affected regions would be the north east, central west, and southern areas. However, it is always possible to mitigate such effects through a combination of structural adjustments (changing land use in different regions), enhanced water use efficiency, and support of producer prices. The model also provides recommendations regarding specific crops that should be promoted in specific regions in order to maintain an agricultural sector with high added value in Tunisia. 2021-06-02T10:11:35Z 2021-06-02T10:11:35Z 2019 chapter ONIX_20210602_10.5772/intechopen.83568_409 https://library.oapen.org/handle/20.500.12657/49295 eng application/pdf n/a 65227.pdf InTechOpen 10.5772/intechopen.83568 10.5772/intechopen.83568 09f6769d-48ed-467d-b150-4cf2680656a1 H2020-WIDESPREAD-05-2017-Twinning 810812 open access
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The chapter aims to develop a regionally disaggregated agricultural supply model for Tunisia in order to investigate the potential effects of increasing water scarcity on the performances of the agricultural sector in the country, and the structural adaptation strategies needed to face such a challenge. A set of scenarios combining future water availability, water use efficiency, and increasing producer prices were simulated using the developed model. Results show that the agricultural sector in Tunisia, particularly the agricultural employment, would be negatively affected in case of decreasing irrigation water availability, and mostly affected regions would be the north east, central west, and southern areas. However, it is always possible to mitigate such effects through a combination of structural adjustments (changing land use in different regions), enhanced water use efficiency, and support of producer prices. The model also provides recommendations regarding specific crops that should be promoted in specific regions in order to maintain an agricultural sector with high added value in Tunisia.
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