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4. Burd, F., 1992. Erosion and Vegetation Change on the Saltmarshes of Essex and North Kent between 1973 and 1988. Research and Survey in Nature Conservation, No. 42. Nature Conservancy Council, Peterborough, UK.
5. Redshanks and other breeding waders of British saltmarshes;Cadbury;RSPB Conservation Review,1987