Allen, RG, Pereira, LS, Raes, D and Smith, M 1998. Crop evapotranspiration-Guidelines for computing crop water requirements – FAO Irrigation and drainage, paper No. 56. FAO, Rome, Italy, 300, D05109.
Batchelor, C, Reddy, VR, Linstead, C, Dhar, M, Roy, S and May, R 2014. Do water-saving technologies improve environmental flows? Journal of Hydrology 518 (Part A), 140–149.
Chukalla, AD, Krol, MS and Hoekstra, AY 2015. Green and blue water footprint reduction in irrigated agriculture: effect of irrigation techniques, irrigation strategies and mulching. Hydrology and Earth System Sciences 19, 4877–4891.
de Fraiture, C, Wichelns, D, Rockstrom, J, Kemp-Benedict, E, Eriyagama, N, Gordon, LJ, Hanjra, MA, Hoogeveen, J, Huber-Lee, A and Karlberg, L 2007. Looking ahead to 2050: scenarios of alternative investment approaches. International Water Management Institute. Earthscan, London, UK.
Food and Agriculture Organization (FAO) 2009. CROPWAT 8.0 Model. Food and Agriculture Organization, Rome, Italy.
Food and Agriculture Organization (FAO) 2012. Annex I Crop parameters, Aqua Crop reference manual. Food and Agriculture Organization, Rome, Italy.
Forbes, J 1968. The water intake of ewes. British Journal of Nutrition 22, 33–43.
Frija, A, Chebil, A and Speelman, S 2016. Farmers’ adaptation to groundwater shortage in the dry areas: improving appropriation or enhancing accommodation?. Irrigation and Drainage 65, 691–700.
Gerbens-Leenes, PW, Mekonnen, MM and Hoekstra, AY 2013. The water footprint of poultry, pork and beef: a comparative study in different countries and production systems. Water Resources and Industry 1–2, 25–36.
Hammami, M, Soltani, E and Snoussi, S 2007. Importance de la filière viande ovine en Tunisie: stratégies des acteurs (cas de la région de Zaghouan). New Medit 6, 14–22.
Herrero, M, Havlík, P, Valin, H, Notenbaert, A, Rufino, MC, Thornton, PK, Blümmel, M, Weiss, F, Grace, D and Obersteiner, M 2013. Biomass use, production, feed efficiencies, and greenhouse gas emissions from global livestock systems. Proceedings of the National Academy of Sciences 110, 20888–20893.
Hoekstra, AY 2012. The hidden water resource use behind meat and dairy. Animal Frontiers 2, 3–8.
Hoekstra, AY and Chapagain, AK 2007. The water footprints of Morocco and the Netherlands: Global water use as a result of domestic consumption of agricultural commodities. Ecological Economics 64, 143–151.
Hoekstra, AY, Chapagain, AK, Aldaya, MM and Mekonnen, MM 2011. The water footprint assessment manual: Setting the global standard. Earthscan, London, UK.
Ibidhi, R, Hoekstra, AY, Gerbens-Leenes, PW and Chouchane, H 2017. Water, land and carbon footprints of sheep and chicken meat produced in Tunisia under different farming systems. Ecological Indicators 77, 304–313.
Ibidhi, R, Frija, A, Jaouad, M and Ben Salem, H 2018. Typology analysis of sheep production, feeding systems and farmers strategies for livestock watering in Tunisia. Small Ruminant Research 160, 44–53.
Louhaichi, M, Hassan, S, Clifton, K and Johnson, DE 2017. A reliable and non-destructive method for estimating forage shrub cover and biomass in arid environments using digital vegetation charting technique. Agroforestry Systems 1–12.
Mekonnen, M and Hoekstra, A 2010. The green, blue and grey water footprint of farm animals and animal products. Value of Water Research Report Series No. 48, UNESCO-IHE, Delft, the Netherlands.
Mekonnen, MM and Hoekstra, AY 2012. A global assessment of the water footprint of farm animal products. Ecosystems 15, 401–415.
Molden, D 2007. Water for food, water for life: a comprehensive assessment of water management in agriculture. Earthscan, London, UK.
Murphy, E, Curran, TP, Holden, NM, O’Brien, D and Upton, J 2017a. Water footprinting of pasture-based farms; beef and sheep. Animal 1–9.
Murphy, E, de Boer, IJM, van Middelaar, CE, Holden, NM, Shalloo, L, Curran, TP and Upton, J 2017b. Water footprinting of dairy farming in Ireland. Journal of Cleaner Production 140 (Part 2), 547–555.
Nefzaoui, A, Ben Salem, H and El Mourid, M 2012. Innovations in small ruminants feeding systems in arid Mediterranean areas. In New trends for innovation in the Mediterranean animal production (ed. R Bouche, A Derkimba and F Casabianca), pp. 99–116. EAAP – European Federation of Animal Science, Wageningen Academic Publishers, Wageningen, the Netherlands.
Owusu-Sekyere, E, Scheepers, ME and Jordaan, H 2017. Economic water productivities along the dairy value chain in South Africa: implications for sustainable and economically efficient water-use policies in the dairy industry. Ecological Economics 134, 22–28.
Ridoutt, BG and Pfister, S 2013. A new water footprint calculation method integrating consumptive and degradative water use into a single stand-alone weighted indicator. The International Journal of Life Cycle Assessment 18, 204–207.
Schlink, A, Nguyen, M and Viljoen, G 2010. Water requirements for livestock production: a global perspective. Soil and Water Management & Crop Nutrition Subprogramme 6, 603–619.
Schyns, JF and Hoekstra, AY 2014. The added value of water footprint assessment for national water policy: a case study for Morocco. PLoS One 9, e99705.
Steduto, P, Faurès, J-M, Hoogeveen, J, Winpenny, J and Burke, J 2012. Coping with water scarcity: an action framework for agriculture and food security. Food and Agriculture Organization of the United Nations, Rome, Italy.
Steduto, P, Hsiao, TC, Raes, D and Fereres, E 2009. AquaCrop – the FAO crop model to simulate yield response to water: I. Concepts and underlying principles. Agronomy Journal 101, 426–437.
Tarhouni, M, Ben Salem, F, Tlili, A, Ouled Belgacem, A, Neffati, M and Louhaichi, M 2016. Measurement of the aboveground biomass of some rangeland species using a digital non-destructive technique. Botany Letters 163, 281–287.
Toro-Mujica, P, Aguilar, C, Vera, R and Cornejo, K 2016. A simulation-based approach for evaluating the effects of farm type, management, and rainfall on the water footprint of sheep grazing systems in a semi-arid environment. Agricultural Systems 148, 75–85.
Tunisian Institute for Strategic Studies 2017. Strategic review of the food and nutrition security in Tunisia volume 216, Tunis, Tunisia (in French).
Zhang, Y, Huang, K, Yu, Y and Yang, B 2017. Mapping of water footprint research: a bibliometric analysis during 2006–2015. Journal of Cleaner Production 149, 70–79.
Zhuo, L, Mekonnen, MM, Hoekstra, AY and Wada, Y 2016. Inter- and intra-annual variation of water footprint of crops and blue water scarcity in the Yellow River basin (1961–2009). Advances in Water Resources 87, 29–41.