A Ramsar site is the land listed as a Wetland of International Importance under the [Convention on Wetlands of International Importance Especially as Waterfowl Habitat (the Ramsar Convention) 1971](http://portal.unesco.org/en/ev.php-URL_ID=15398&URL_DO=DO_TOPIC&URL_SECTION=201.html). Data supplied has the status of "Listed". The data does not include "Proposed" sites. Boundaries are mapped against Ordnance Survey MasterMap. Full metadata can be viewed on [data.gov.uk](https://data.gov.uk/dataset/67b4ef48-d0b2-4b6f-b659-4efa33469889/ramsar-england).