MA CZM has a fact sheet on sand fencing. Contact state and local officials before installation of any fence type on the dunes. UConn A-Z. Protect, Enhance or Construct Dunes Sand dunes provide natural coastal protection against storm surge and high waves, preventing or reducing coastal flooding and structural damage, as well as providing important ecological habitat. Protecting dunes For areas with existing dunes and low erosion rates, simply preserving dunes might be all that is needed to help maintain protection from storms.
Dune grass protected by fencing. Photo: Jennifer O'Donnell. Though periods of erosion can continue for years, in most cases it is not permanent. When viewed over a long period, such as a hundred years, the shoreline is simply shifting backwards and forwards. Very large shoreline fluctuations often more than m occur on sand spits near some river and estuary entrances.
The Port Waikato spit has grown northwards over the last years, eroding large volumes of dunes from the north side of the river. Similar changes cause problems where they threaten coastal development. At Mokau, such processes have resulted in the loss of several properties and threaten many more. It's important to understand these changes and use this information to plan future development carefully.
Coastcare groups are involved in caring for beaches around the region. They are partnerships between the local community, iwi, district councils and Waikato Regional Council, working together to protect and restore our precious coasts. Our fragile dunes. Services » Regional hazards and emergency management » Dunes.
Let the plants and the local animals do their job, avoid crossing the dune, and protest against the construction of new houses in sand dune systems.
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What is the current temperature? The importance of sand dunes to the coastline Environment. Sand dunes are natural barriers against powerful waves and windy storms. Beach dunes are also a rich habitat for specific vegetation and wildlife. But again, the human touch is always present. If the wind blows offshore, it transfers sand from the dune down to the beach. Sand Moving Back and Forth This everlasting replenishment process works naturally. In the short term, these artificial sand hills will be destroyed by the elements.
A strong and healthy beach dune is a powerful antidote against coastal erosion. Dunes Protect Coastlines In the second half of the 20th century, coastal planners have also introduced sand fences in an attempt to hold sand on top of the dune. The ocean and the wind can have an unpredictable, destructive force on coastal regions.
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