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South Thames Estuary and Marshes SSSI Condition

The reasons cited for the condition assessment of 'unfavorable' is the saltmarsh erosion due to coastal squeeze against the seawall. It is considered that this is likely to be due to sea level rise (and potential morphological roll-over of the estuary to the west) and hence maintenance dredging is not causing this coastal squeeze. This view is supported by the high availability of sediment within the system.


Back to The Influence of Historic Maintenance Dredging on the SPA and Ramsar sites