GCSE Sand dunes
A hill of sand, made and shaped by wind
grows in sand dunes, very long roots, can survive in the harsh sandy soil, stabilizes the dune, thrives on sand that increases in height
exposes sand on the dune and lets the wind remove the sand causing a "blow out"
have increased in strength and frequency damaging sand dunes
an invasive species that is damaging dunes
can be ground up and used to fill in the blow outs
Shoreline Management Plan - put in place to try to protect sand dune ecosystems
a soft engineering approach used to stop dune erosion
used to stop tourists walking on sensitive areas
The oldest dune in a system,found at the back
First stage of a dune, formed behind the berm, has an alkaline pH, small.
A depression in a sand dune system where ponds and lakes can form
like driftwood cause sand to accumulate into mounds, the first phase in formation
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