Assessment of the Effectiveness of Biophysical Soil and Water Conservation Structures: A Case Study of Offa Woreda, Wolaita Zone, Ethiopia

Table 7

Perception of farmers about the biophysical causes of soil erosion.

Types of causes	Percentage
	W/Dekeya (%)	Wareza (%)	Yakima (%)	Overall total (%)
Gradient (slope)	33.33	32.85	14.47	26.87
Heavy rainfall	0.86	30	22.36	27.75
Lack of vegetation covers	16.04	18.57	38.15	24.22
Flood	11.11	14.28	17.10	14.09
Overgrazing land	8.64	4.28	7.89	7.04
Total	100	100	100	100