in recent years water charges have risen as a result of the transfer of irrigated areas operated by the dsi to water user associations a study of cotton and grape production in the gediz basin for example showed that where these transfers have occurred and water charges increased irrigation water productivity showed significant gains many of these projects are financed by international development agencies and donors eg the world bank as national funding is limited the southeastern anatolian project gap which was financed mostly by national resources is the largest regional development project in turkey covering of the total land at an estimated cost of tky usd billion for the world bank funded anatolian watershed rehabilitation project dokap with funding of tky usd million over to the aim is to restore degraded soils to increase farm and forestry production even so the gap project is increasing the supply of domestically produced hydroelectricity and has brought socioeconomic welfare gains to villagers