Conserving and valuing ecosystem services and biodiversity : economic, institutional and social challenges / edited by K.N. Ninan ; with foreword by Dr Achim Steiner. Ninan, K. N. (Karachepone Ninan), 1950- Biodiversity conservation Economic aspects. Biotic communities Economic aspects. Environmental degradation Economic aspects. QH75 .C6817 2011 333.95 22 CON Originally published: 2009. Includes bibliographical references and index. London ; Washington, DC : Earthscan, 2011. 2011. 2011 Text xxix, 402 p. : eng