This book comprehensively addresses the economic social and institutional difficulties in conserving biodiversity and the ecosystem services that it provides it covers a wide range of issues such as biodiversity ecosystem services and valuation in the context of diverse ecosystems such as tropical forests marine areas wetlands and agricultural landscapes non timber forest products . Biodiversity ecosystem services and valuation the economics and valuation of biodiversity and ecosystem services social aspects including biodiversity poverty linkages factors causing biodiversity loss and degradation of ecosystems are the main issues addressed in the chapters in this section economic valuation has emerged as a powerful tool to value the benefits of biodiversity and . Conserving and valuing ecosystem services and biodiversity economic institutional and social challenges edited by k n ninan with foreword by drachim steiner un under secretary general and executive director united nations environment programme nairobi i publishing for a sustainable future london o sterling va contents list of figures tables and boxes xi list of contributors xv foreword . This is the most comprehensive book to address the economic social and institutional difficulties in conserving biodiversity it covers a wide range of issues such as biodiversity ecosystem services and valuation in the context of diverse ecosystems such as tropical forests marine areas wetlands and agricultural landscapes non timber forest products incentives and institutions payments . Conserving and valuing ecosystem services and biodiversity economic institutional and social challenges edited by ninank a london earthscan 2011 pp 432 gbp2999 paperback isbn