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The Seashore

Sand Dunes | Grey Dune

Acid grey dune

The developing soil is low in calcium. There is little shell derived sand in the soil and the lack of bases this results in an acid soil. Nutrients (e.g. phosphorus, potassium) tend to become much more soluble in acid conditions and will be lost by leaching when it rains. Nitrogen may well be in short supply because nitrifying bacteria become less active in acid conditions. Iron and aluminium become more readily available at low pH and high concentrations may be toxic.

Plants typical of acid low calcium soils (calcifuges) will grow here. Click the links to find out about some of them:

Calluna vulgaris (heather, ling)

Erica cineraria (bell heather)

Carex arenaria (sand sedge)

Lichens

Mosses


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