TY - GEN AU - Ninan, K. N. TI - Conserving and valuing ecosystem services and biodiversity: economic, institutional and social challenges SN - 978-1-84971-173-9 PY - 2009/// CY - London PB - Earthscan KW - Biodiversity conservation KW - Economic aspects KW - Biotic communities KW - Environmental degradation N1 - Includes bibliographical references and index ER -