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Table 6.

Evaluation matrix.

Indicator of the Watershed Sustainability Index (WSI)Δ1, Change in per capita water availability of the watershed in the last 5 years (m3/inhabitant * year)Δ2, Change in BOD5 (last 5 years)E.P.I. (Rural and Urban)Variation in H.D.I. income (last 5 years)Variation in H.D.I. education (last 5 years)Per capita water availability (m3/inhabitant * year)Average BOD5 of the watershed (mg/l)% of watershed with natural vegetationM.H.D.I. watershed (population weighted)Institutional Capacity in Integrated Water Resources Management (legal and organizational)Improvement in efficient water use (last 5 years)Improvement in proper water/sewage treatment (last 5 years)Evolution in conservation areas (protected areas and good management practices -- BPM) in the last 5 yearsEvolution in M.H.D.I. (last five years)Evolution in spending on Integrated Natural Resource Management (last 5 years)
Criterion C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 
Preference function (type) 
Weight The weight of each criterion was defined by each Watershed Committee participanta 
Objective Mab Mic Mi Ma Ma Ma Mi Ma Ma Ma Ma Ma Ma Ma Ma 
Subwatershed Serido (A1) 11.9 − 41.0 13.3 5.6 20.4 1,409 11.7 47.0 0.64 Meand Mean bade − 20 9.7 − 20 
Pianco (A2) 3.5 − 64.7 − 6.3 8.6 31.8 4,569 1.9 68.4 0.57 Mean Mean bad − 20 15.5 − 20 
Peixe (A3) 2.9 5.4 − 23.5 6.0 28.8 1,904 1.4 48.8 0.62 Mean Mean bad − 20 13.6 − 20 
Pataxó (A4) 2.9 − 6.7 11.4 3.7 19.5 1,434 3.9 51.5 0.58 Mean Mean bad − 20 − 10.8 − 20 
Paraú (A5) − 2.1 − 4.0 − 17.7 5.3 25.3 7,330 6.23 43.9 0.59 Mean Mean bad − 20 12.4 − 20 
Média Piranhas Po (A6) 1.6 − 100 − 49.2 5.6 26.5 4,983 2.2 66.4 0.59 Mean Mean bad − 20 12.08 − 20 
Média Piranhas Pa. Po (A7) 8.9 2.5 − 25.8 4.1 24.5 3,369 1.5 67.7 0.6 Mean Mean bad − 20 10.74 − 20 
Média Piranhas Pa (A8) 4.1 365.4 50.3 5.0 29.6 4,216 2.1 74.0 0.57 Mean Mean bad − 20 13.42 − 20 
Espiranhas (A9) − 0.2 − 16.5 34.4 6.0 32.1 1,547 1.9 47.6 0.58 Mean Mean bad − 20 − 15.34 − 20 
Difusas Baixo P (A10) 2.7 0.1 18.8 3.8 18.3 1,832 3.0 42.0 0.62 Mean Mean bad − 20 8.58 − 20 
Alto piranhas (A11) 3.7 6.8 23.4 7.1 32.6 6,713 1.6 58.9 0.55 Mean Mean bad − 20 15.38 − 20 
Indicator of the Watershed Sustainability Index (WSI)Δ1, Change in per capita water availability of the watershed in the last 5 years (m3/inhabitant * year)Δ2, Change in BOD5 (last 5 years)E.P.I. (Rural and Urban)Variation in H.D.I. income (last 5 years)Variation in H.D.I. education (last 5 years)Per capita water availability (m3/inhabitant * year)Average BOD5 of the watershed (mg/l)% of watershed with natural vegetationM.H.D.I. watershed (population weighted)Institutional Capacity in Integrated Water Resources Management (legal and organizational)Improvement in efficient water use (last 5 years)Improvement in proper water/sewage treatment (last 5 years)Evolution in conservation areas (protected areas and good management practices -- BPM) in the last 5 yearsEvolution in M.H.D.I. (last five years)Evolution in spending on Integrated Natural Resource Management (last 5 years)
Criterion C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 
Preference function (type) 
Weight The weight of each criterion was defined by each Watershed Committee participanta 
Objective Mab Mic Mi Ma Ma Ma Mi Ma Ma Ma Ma Ma Ma Ma Ma 
Subwatershed Serido (A1) 11.9 − 41.0 13.3 5.6 20.4 1,409 11.7 47.0 0.64 Meand Mean bade − 20 9.7 − 20 
Pianco (A2) 3.5 − 64.7 − 6.3 8.6 31.8 4,569 1.9 68.4 0.57 Mean Mean bad − 20 15.5 − 20 
Peixe (A3) 2.9 5.4 − 23.5 6.0 28.8 1,904 1.4 48.8 0.62 Mean Mean bad − 20 13.6 − 20 
Pataxó (A4) 2.9 − 6.7 11.4 3.7 19.5 1,434 3.9 51.5 0.58 Mean Mean bad − 20 − 10.8 − 20 
Paraú (A5) − 2.1 − 4.0 − 17.7 5.3 25.3 7,330 6.23 43.9 0.59 Mean Mean bad − 20 12.4 − 20 
Média Piranhas Po (A6) 1.6 − 100 − 49.2 5.6 26.5 4,983 2.2 66.4 0.59 Mean Mean bad − 20 12.08 − 20 
Média Piranhas Pa. Po (A7) 8.9 2.5 − 25.8 4.1 24.5 3,369 1.5 67.7 0.6 Mean Mean bad − 20 10.74 − 20 
Média Piranhas Pa (A8) 4.1 365.4 50.3 5.0 29.6 4,216 2.1 74.0 0.57 Mean Mean bad − 20 13.42 − 20 
Espiranhas (A9) − 0.2 − 16.5 34.4 6.0 32.1 1,547 1.9 47.6 0.58 Mean Mean bad − 20 − 15.34 − 20 
Difusas Baixo P (A10) 2.7 0.1 18.8 3.8 18.3 1,832 3.0 42.0 0.62 Mean Mean bad − 20 8.58 − 20 
Alto piranhas (A11) 3.7 6.8 23.4 7.1 32.6 6,713 1.6 58.9 0.55 Mean Mean bad − 20 15.38 − 20 

aThe weights were established by interviewing the members of the Watershed Committee and in this sense each distinct weight forms a different scenario.

bMaximize.

cMinimize.

dAverage.

eBad.

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