Question 8067 — sea and coastline

Summary

Mr. Stéphane Rambaud draws the attention of the Minister of Ecological Transition, Biodiversity, Forests, Sea and Fisheries, to the fight against marine erosion affecting the western tombolo of the Giens peninsula in the Var. Indeed, the Giens peninsula is connected to the continent by two isthmuses (tombolos) which give it a very original geographical and morphological particularity which must be preserved. But the western tombolo, support of the “salt road” created at the end of the 1960s, is particularly affected by marine erosion, itself reinforced by the ongoing rise in sea level. To combat these phenomena and protect the west tombolo, a consensus of all the local elected officials concerned proposes the implementation of an underwater reef submerged at a depth of one meter and 450 meters long. This type of underwater reef has already proven itself in breaking the strongest swells for the prevention of certain Mediterranean coastlines and could constitute a sufficient technical solution to limit the erosion affecting the western tombolo. Man is largely responsible for this erosion, formerly supplied by the Roubaud with sediment supplies diverted in the 19th century, part of its sand was taken to allow the construction of numerous structures at the port of Toulon, these samples have accentuated erosion and weakened the coastal strip. The municipality, supported by Toulon Provence Méditerranée (TPM), by the Port-Cros national park, by the local interest committee (CIL) of Giens, by the league for the protection of birds (LPO), by the association of friends of the Giens peninsula and by ANASPIG, wishes to put in place effective and definitive protection. This device would allow the municipality to avoid spending between 500,000 and 800,000 euros to rehabilitate the “salt road” each year. This is why he asks her if she intends to give authorization for the construction of this submerged reef and to specify the deadlines for implementing this project.

Machine translation from French. The official text remains authoritative.

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