Liquid assets :the critical need to safeguard freshwater ecosystems / (Acc: 3163)
Postel, Sandra.
Liquid assets :the critical need to safeguard freshwater ecosystems / (Acc: 3163) the critical need to safeguard freshwater ecosystems / Sandra Postel ; Lisa Mastny, editor. - Washington, D.C. : Worldwatch Institute, c2005. - 78 p. : ill. ; 21 cm. - State of the world library Worldwatch paper ; .
1878071769 (pbk.)
Freshwater ecology.
Watershed management.
Ecosystem management.
Water-supply.
Waterhuishouding.
Drinkwatervoorziening.
Waterverontreiniging.
Grondstoffenbeheer.
623 POS.
Liquid assets :the critical need to safeguard freshwater ecosystems / (Acc: 3163) the critical need to safeguard freshwater ecosystems / Sandra Postel ; Lisa Mastny, editor. - Washington, D.C. : Worldwatch Institute, c2005. - 78 p. : ill. ; 21 cm. - State of the world library Worldwatch paper ; .
1878071769 (pbk.)
Freshwater ecology.
Watershed management.
Ecosystem management.
Water-supply.
Waterhuishouding.
Drinkwatervoorziening.
Waterverontreiniging.
Grondstoffenbeheer.
623 POS.