How much is an ecosystem worth? :

How much is an ecosystem worth? : assessing the economic value of conservation / IUCN, the Nature Conservancy, the World Bank. - Washington, D. C : World Bank, 2005. - ix, 33p : ill. ; 28 cm.

Available on the Internet. Viewed: 01/13/2005.

Includes bibliographical references (p.31-33)

Open access.

0821363786


Environmental protection--Economic aspects.
Environmental policy--Economic aspects.