Our environment is providing various ecosystem services to human being which are created naturally or enhanced through various interventions of its managers. Practice of valuation and payment to managers of those ecosystem services and well addressed benefit sharing mechanism is rarely seen in least developed countries including Nepal. Thus not only the Begnas Lake all the wetlands of Nepal are degraded day by day. Payment for ecosystem services ensures the long term supply of services which creates win-win situation between producer and users of those services. This report which was based on...