Columbia subject headings:
Harvard subject headings:
Environmental impact analysis--Brazil--São Francisco River Valley.
São Francisco River Valley (Minas Gerais-Alagoas and Sergipe, Brazil)--Environmental conditions.
São Francisco River Valley (Minas Gerais-Alagoas and Sergipe, Brazil)--Geography.
Princeton subject headings:
Bahia (Brazil : State)--Environmental conditions.
Environmental management--Brazil--Bahia (State).
Environmental management--Brazil--São Francisco River Watershed.
São Francisco River Watershed (Minas Gerais-Alagoas and Sergipe, Brazil)--Environmental conditions.