Typical purposes of sand or gravel extraction can be to obtain useful material (for e.g. heightening beaches, or in building or infrastructure development), and/or to deepen the sea in a particular area (e.g. a fairway to allow large cargo or tanker vessels with deeper drafts to enter a port).
There are two main methods of extracting sand and gravel:
Source: BFN, German Federal Agency for Nature Conservation===MSP Challenge===
Sand & gravel extraction areas are polygons, i.e., geometric shapes that you can draw in, edit or remove when making a plan.
Sand & gravel extraction areas create the following pressures on the ecosystem:
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