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Monitoring of Wallasea Island Wild Coast – 1 year on

The RSPB Wallasea Island Wild Coast is a landscape-scale, coastal wetland restoration project at the confluence of the Crouch and Roach Estuaries (Essex). Last week, ABPmer surveyors revisited the site to undertake the first monitoring survey.


Our in-house surveyors recently returned from completing the annual Wallasea Island Wild Coast monitoring survey, a full year after the initial inundation.

The RSPB’s Wallasea Island Wild Coast Project is a long-term, landscape-scale, coastal wetland restoration initiative that is being undertaken at the confluence of the Crouch and Roach Estuaries (Essex). This project involves the phased ‘managed realignment’ of Wallasea Island’s coastal defences which will return the site back to being a mosaic of creeks, mudflats, marshes and lagoons.

In 2015 (prior to inundation), we undertook a topographic survey of the site to provide a baseline description of the land elevations. These early observations will be used to assess the patterns of accretion, erosion and habitat development over time.

Last week, ABPmer surveyors revisited the site to undertake the first monitoring survey. Using the differential GPS, the 15 transects spread across the site were re-measured to assess the level of accretion/erosion that has occurred over the past year. 

A number of stakes with a graded measurement scale were placed at various locations expected to develop into mudflats or salt marsh, and photographed on the initial visit in 2015. The 2016 survey revisited these stakes, photographing them for comparison with 2015 to assess the amount of accretion/erosion occurring in these areas. 


Learn more about our involvement with Wallasea Island Wild Coast, or visit our survey and monitoring services page.