Douglas, Ellen M. The role of tropical forests in supporting biodiversity and hydrological integrity : a synoptic overview / Ellen M. Douglas at. all. - Washington,D.C. : World Bank (WB) , 2005 - 22p. : ill. ; 25 cm. - Policy Research Working Paper No. 3635 . Includes bibliographical references and index. Subjects--Topical Terms: BiodiversityHydrologyTropical forests Gov. Doc. Class. No.: UN WB PRWP-3635