3.2 Types of degradation Soil erosion under the action of winds is the main form of land degradation in this region (while in the rest of the world erosion caused by water -- rain, streams and floods -- is the major problem).
(3.2 Types of degradation Soil erosion under the action of winds; is; the main form of land degradation in this region) (the world erosion; caused; by water) (rain, streams and floods; is; the major problem)
3.2 Types of degradation Soil erosion under the action of winds the world erosion rain, streams and floods
is caused is
the main form of land degradation in this region
by water
the major problem