Division 11 Open sea and tidal areasF1
United Kingdom
1110 1120 1130 1140 1150 1160 1170 1180
Sandbanks which are slightly covered by sea water all the time
* Posidonia beds ( Posidonion oceanicae )
Estuaries
Mudflats and sandflats not covered by seawater at low tide
* Coastal lagoons
Large shallow inlets and bays
Reefs
Submarine structures made by leaking gases