Liquid assets : the critical need to safeguard freshwater ecosystems /
Postel, Sandra.
Liquid assets : the critical need to safeguard freshwater ecosystems / Sandra Postel ; Lisa Mastney, editor. - Washington, D.C. : Worldwatch Institute, c2005. - 78 p. : ill. ; 22 cm. - State of the world library. Worldwatch paper ; 170. .
Includes bibliographical references.
1878071769 (pbk.)
2005928287
Freshwater ecology.
Watershed management.
Ecosystem management.
Water-supply.
QH541.5.F7 / P85 2005
Liquid assets : the critical need to safeguard freshwater ecosystems / Sandra Postel ; Lisa Mastney, editor. - Washington, D.C. : Worldwatch Institute, c2005. - 78 p. : ill. ; 22 cm. - State of the world library. Worldwatch paper ; 170. .
Includes bibliographical references.
1878071769 (pbk.)
2005928287
Freshwater ecology.
Watershed management.
Ecosystem management.
Water-supply.
QH541.5.F7 / P85 2005