Liquid assets : the critical need to safeguard freshwater ecosystems /
Postel, Sandra
Liquid assets : the critical need to safeguard freshwater ecosystems / Sandra Postel ; edited by Lisa Mastny. - Washington DC : Worldwatch Institute, 2005 - 77 pages : ill., ; 22 cm. - (Worldwatch paper 170) .
Includes index
1878071769
Ecosystem management
333.952816 POS
Liquid assets : the critical need to safeguard freshwater ecosystems / Sandra Postel ; edited by Lisa Mastny. - Washington DC : Worldwatch Institute, 2005 - 77 pages : ill., ; 22 cm. - (Worldwatch paper 170) .
Includes index
1878071769
Ecosystem management
333.952816 POS