... and water stress in the catchment. The significance of these environmental Risk Management in Environment, Production and Economy 48 2. Rationale and goals The “Volcanic Risk System (ASI-SRV)” ... (KES) MSF (KES) SSF (KES) 1 Farming Income 4 28, 400 273,600 55 ,80 0 1.1 Total Income 4 28, 400 273,600 55 ,80 0 1.2 Average Income/m3 85 .84 65. 68 51.62 2 Farming Expenditures 569,000 276,500 ... mitigation plans, and their monitoring and evaluation for sustainability. Like ERA, “Hydro-economic risk assessment and management (HERAM) involves a Risk assessment (RA) and a Risk management (RM)....