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A B C D E F G H I J K L M N O P Q R S T U V W XYZ #
Long names are given in the original language. An English equivalent will be provided as far as it is known to GRDC. If available, an URL will be provided which will guide you to the respective external presentation, usually the Website of the organisation, programme or project. These Hyperlinks are provided as a convenience only. They imply neither responsibility for, nor approval of, the information contained in those Websites.
| RAMSAR | The Ramsar Convention on Wetlands, signed in Ramsar, Iran, 1971 |
| R-Arctic-Net | Regional Electronic Hydrographic Data Network for the Arctic Region, maintained by CSRC, University of New Hampshire |
| RCH Central Asia | Regional Centre of Hydrology in Central Asia, implemented and supported by the Swiss Agency for Development and Cooperation (SDC) |
| reliefWeb | On-line gateway to information on humanitarian emergencies and disasters, maintained by OCHA |
| R-HydroNet | Regional, electronic hydrometeorological data network for South America, Central America, and the Caribbean, maintained by WSRC |
| RIOB | Le Réseau International des Organismes de Bassin (International Network of Basin Organizations / La Red Internacional de Organismos de Cuenca) |
| RIOC | La Red Internacional de Organismos de Cuenca (Le Réseau International des Organismes de Bassin / International Network of Basin Organizations) |
| RivDis | Global River Discharge Database, maintained by WSRC |
| RiverNet | Portal for living rivers, maintained by ERN |
| RNCAN | Ressources naturelles Canada (Natural Resources Canada) |

