South Thames Estuary and Marshes South Thames Estuary and Marshes South Thames Estuary and Marshes is a biological Site of Special Scientific Interest which stretches between Gravesend and the mouth of the River Medway in Kent. Part of it is a Nature Conservation Review site, Grade I, and part is a Royal Society for the Protection of Birds nature reserve. It is part of the Thames Estuary and Marshes Ramsar internationally important wetland site and Special Protection Area under the European Union Directive on the Conservation of Wild Birds. Over 20,000 waterfowl use this site, and some species are present in internationally important numbers. There
Estuary English various rates "socially" into middle-class speech and "geographically" into other accents of southeastern England. The scholar Alan Cruttenden uses the term London Regional General British in preference to the popular term 'Estuary English'. The names listed above may be abbreviated: Some authors use different names for EE closer to Cockney (Popular London) and EE closer to Received Pronunciation (London Regional Standard or South-Eastern Regional Standard). Note that some other authors use the name Popular London to refer to Cockney itself. The boundary between Estuary English and Cockney is far from clearcut. Several writers have argued that Estuary English is not