Zone Sample point length Km Flooded portion Km Percentage of total length Depth in cm Periodicity Category Crop cultivated Crop yield Kg Crop yield loss Kg Percent age loss Odah 2011 C 0.75 0.66 78 15 5 days to 2 weeks Seasonal Yam 150 75 50 “ 2012 C 0.74 0.63 85 52 4 days to 2 months “ Yam 180 76 42.2 Iwhre-otah 2011 C 0.57 0.32 39 20 5 days to 2 weeks “ Yam 180 80 44.4 “ 2012 C 0.64 0.53 78 39 5 days to 2 weeks “ Yam 165 85 51.5 Erorin 2011 C 0.98 0.63 86 30 5 days to 2 weeks “ Yam 150 66 44 “ 2012 C 0.98 0.63 86 30 7 days to 4 weeks “ Yam 170 84 49.4 - Total 4.66 3.4 452 186 - - - 995 466 281.5 - 0.776 0.566 75.3 31 - - - 165.8 77.66 46.9 Source: Fieldwork, 2011 and 2012.

Table 3: Mean distribution of the flooded farmlands by Yam (2011 and 2012).