Open Access Research Paper Views (819) Water resources and water demand management by using WEAP model at Gareat El Tarf catchment (Constantine’s Highlands, Northeast Algeria) Dali Naouel, Zouini Derradji J. Biodiv. & Environ. Sci. 12(5), 180-188, May 2018. Keywords: Demand, management, Water, Watershed of Gareat El Tarf, WEAP Details