Conserving and valuing ecosystem services and biodiversity : economic, institutional and social challenges / edited by K.N. Ninan ; with foreword by Achim Steiner. - London ; Sterling, VA : Earthscan, 2009. - xxix, 402 p. : ill., maps ; 25 cm. ISBN: 9781844076512 Subjects--Topical Terms: Biodiversity conservation --Economic aspects; Biotic communities --Economic aspects; Environmental degradation --Economic aspects. Dewey Class. No.: 333.9516 NIN 'R' / 1258