Cobmarsh Island was twice the size 1923 compared with 2021 according to research conducted by CITiZAN: the Coastal and Intertidal Zone Archaeological Network.
Archaeologists and reserchers have been working on project looking at the changing coastline around Mersea Island.
Speaking to Owen Ward, Danielle Newman and Lawrence Northall have praised local islanders in their help with the project which has just been shortlisted for an award.
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