4 | Runoff | ・ maximum moderate discharge ・ moderate amount of runoff in surface ・ hydrologic soils of group B |
5 | The unpaved areas | ・ plateau with moderate slope less than 20% ・ expansion of flood resisting areas with fan shaped physiographic units ・ slow slope areas less than 5 % |
6 | Limited plant coverage Lots of sediments | ・ ground coverage less than 40% ・ remarkable plant traces ・ dispersed trees |
7 | Land usage | ・ less than 25% planted ・ less than 50% being extremely grazed ・ less than 50% of the jungle coverage recently cut. |
8 | High lands erosion | ・ the presence of various types of erosion in about 25% of the lands ・ wind erosion with sedimentation in water canals ・ moderate erosion |
9 | River erosion and sediment transportation | ・ flow with depth and moderate continuity with frequent erosion at the river side or river bed |