Conséquences de l'exploitation des granulats dans la Garonne

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Abstract
The consequences of gravel extraction from the Garonne river bed. The mining of sands and gravels in the minor bed of the river have had very sensitive detrimental consequences over the past 30 years : the lowering of the water line and adjacent water table, the weakening of the banks, threats to bridges and the destruction of spawning ground. In order to check this evolution and at the same time meet the demand for gravel, which remains big, legislation has been created which aims to transfer gravel extraction to the main bed, the terraces and the areas of solid bed rock. The authorities are attempting to enforce this legislation.

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