A combination of three measures to stabilise dunes: area closure, the use of palisades, and vegetative fixation through natural regeneration as well as planting.

• ผู้รวบรวม: Charles Bielders
• 8 มิ.ย. 2011, 10:13

Rehabilitation of degraded land through manured planting pits, in combination with contour stone lines. The planting pits are used for millet and sorghum production on gentle slopes.

• ผู้รวบรวม: Charles Bielders
• 7 มิ.ย. 2011, 19:40

Alignement de pierres selon les courbes de niveau.

• ผู้รวบรวม: Hans Sagebiel
• 7 มิ.ย. 2011, 19:24