About regulated tidal exchange

Regulated Tidal Exchange (RTE) encompasses a range of techniques to develop intertidal habitats behind permanent sea defences, particularly where walls will remain in place and/or as part of a phased realignment strategy. 

Different types of structure can be used to allow regulated exchange of saltwater in and out of the site. These include the sluice gates, spillways, culverts, tide gates, pipes as well as more complex systems of artesian wells.

Regulated Tidal Exchange can be used to create a range of habitats including mudflats, saltmarsh, brackish grazing marsh and saline lagoons.

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Regulated tidal exchange project example