Subjects: POLLUTER pays principle; SOIL conservation; WATERSHEDSBRAZIL
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Subjects: CERRADOS; FERRALSOLS; SOIL erosionBRAZIL
Subjects: SOIL erosion; RIVERS; UNIVERSAL soil loss equationBRAZIL
Subjects: BEACH erosion; GEODATABASES; RIVERSFORTALEZA (Brazil); BRAZIL
Subjects: WATER pollution; TOTAL suspended solids; URBAN pollutionMINAS Gerais (Brazil); BRAZIL