Ramsar's Background Papers on Wetland Values and Functions provides information on several wetland functions, including economic valuations of specific wetlands throughout the world based on these functions. This site provides links to background papers on the following wetland functions: flood control, groundwater replenishment, shoreline stabilization and storm protection, sediment and nutrient retention and export, climate change mitigation, water purification, reservoirs of biodiversity, wetland products, recreation and tourism, and cultural value.