The Ramsar Sites Information Service (RSIS) provides online information on wetlands that have been designated as internationally important. Ramsar provides a searchable database of Ramsar Sites, which holds information on the wetland types, ecology, land uses, threats, hydrological values of each Site. as well as spatial information. Ramsar Information Sheets (RISs), including maps and supplementary information, Site summaries, and exportable data sets may be downloaded. Digital (GIS) boundaries of Sites are also provided, where available.