Year / Period | From | To | Established | Ecological effects |
---|---|---|---|---|
1978 | Western Atlantic Ocean | North Sea | yes | yes |
1979 | North America | Limfjorden and Danish Wadden Sea | ||
1979 | North America | Dutch North Sea coastal zone | yes | |
1982 | German Bight | Sweden | ||
1986 | German Bight | Belgian coast | ||
1989 | German Bight | Norway | ||
1989 | Atlantic coasts of North America. | Home Beach, Norfolk. | yes | unknown |
1991 | Not specified | Bay of Seine, English Channel | yes | yes |
2011 | Elbe Estuary | Northern Spain | probably yes |