| Bfn Coastal safety and soil retention | |
|---|---|
| Context | Bfn Natural temperate rocky shores |
| Type | Outcome |
| Decompositie type | IOR |
Rocky shores provide hard, rigid structures that mitigate disturbances to other coastal ecosystems caused by wave action and storm surges. They stabilize inshore sediment and protect in from erosion, support development of islands (by trapping and accumulating sand), mitigate impact of rising sea levels, serve as a buffer during storm events and can additionally serve as substrate for other physical structures, such as coral or oyster reefs (anon., 2005; anon., 2006).
Additionally, macrophyte (for example kelp) beds, most abundantly growing on shelter rocky shores, reduce water current speed and trap suspended sediments, reducing turbidity in water surrounding them. Decreased turbidity also has a positive effect on macrophyte growth, allowing them to absorb greater levels of sunlight. Macrophyte roots and stalks stabilize sediment, thus decreasing sediment resuspension and erosion (Madsen et al., 2001).
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| Onderdeel van | Bfn Ecosystem services of rocky shores |
|---|---|
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