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Coastal Risk Management in a Changing Climate by Hans Falk Burcharth, Richard C. Thompson, Jean-Paul Vanderlinden, Robert J. Nicholls, Barbara Zanuttigh

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4.8. Conclusions

Ecological approaches to coastal risk mitigation enable natural coastal habitats including saltmarshes, sand dunes, biogenic reefs, and seagrass meadows to be managed and restored. For these systems to provide coastal defense services, they must be healthy and multiple interacting natural and anthropogenic stressors must also be considered and managed where possible.
Four options are available as coastal management strategies: (1) no active intervention, (2) managed realignment, (3) hold the line, and (4) advance the line. This chapter has shown how natural habitats can be used as a tool in each of these management options. As discussed in Section 4.3, saltmarshes can be used to reclaim land through techniques to extend the marsh ...

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