Food security under water scarcity in the Middle East: problems and solutions

arid zones disponibilidad del agua dynamique des populations eau disponible food production food security gestion des eaux human population irrigation moyen orient optimization methods oriente medio planification planning politique de la production population dynamics population humaine production alimentaire production policies ressource en eau riego seguridad alimentaria uso del agua utilisation de l'eau water availability water management water resources water use zone aride