| |
| | Gateway to Land and Water Information: Tunisia national report |
 | | Because lands in Tunisia have been used since the ancient times, (about three thoushands years) and the continuous cultivation of less fertile lands even under the difficult climatic conditions, lands subject to water erosion increased, reaching 3 millions ha, of which 71% in the northern zones and Cap Bon, and 22,7% in the high lands. |
 | | In Tunisia, the total surface suitable for irrigation is about 400000 ha, 32% of which are in the North East, 31% in the Center - West, 22% in the North- West, 9% in the south and 6% in the Center East. |
 | | - Tunisia has a hydrological infrastructure on which the economic development of the country now depends to a large extent : irrigated land, potable water, industry, tourismÂ…This infrastructure is threatened by silting and premature filling in (dams and pipelines) and by the drop in the piezometric level of groundwater. |
| www.fao.org /ag/agl/swlwpnr/reports/y_nf/z_tn/tn.htm (5038 words) |
|