. Coast Watch. Ressources marines ; océanographie ; la gestion des zones côtières ; l'écologie côtière. DUNES : FRONTLINE POUR LA PROTECTION CONTRE LES TEMPÊTES B y Ann Green. Lorsque l'ouragan Bertha frappé Jenny Godwin's Emerald Isle Beach House en 1996, il a détruit la moitié d'une dune de sable et plusieurs petits cèdres. Peu de temps après, l'Ouragan Fran détruit l'autre moitié de la dune. Pour reconstruire la dune et ajouter la bonne végétation, Godwin se tourna vers Spencer Rogers de Caroline du Sea Grant et David Nash de NC. Extension Coopérative pour obtenir des conseils. Rogers, un spécialiste de la construction et de l'érosion côtière, et Nash, une exten

• Contributeur: The Book Worm / Alamy Banque D'Images
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. Coast watch. Marine resources; Oceanography; Coastal zone management; Coastal ecology. DUNES: FRONTLINE FOR STORM PROTECTION B y Ann Green. When Hurricane Bertha hit Jenny Godwin's Emerald Isle beach house in 1996, it destroyed half of a sand dune and several small cedar trees. Not long after that, Hurricane Fran destroyed the other half of the dune. To rebuild the dune and add the proper vegetation, Godwin turned to Spencer Rogers of North Carolina Sea Grant and David Nash of NC. Cooperative Extension for advice. Both Rogers, a coastal construction and erosion specialist, and Nash, an extension agent in coastal management and commercial horticulture, provided information about dune planting and dune management practices. "We started planting the dune six years ago, " says Godwin. "Now we have 14 species of native plants on our dune — from sea oats and American beachgrass to bitter panicum and seaside goldenrod. The dune is now twice its original size. During Hurricane Isabel, we gained sand." Along North Carolina's coast, the dune system provides many benefits — from serving as an animal habitat to storm protection. In The Dune Book, Rogers and Nash describe the benefits of dunes as well as the best dune management practices along developed shorelines where people, buildings and roads are already in place. The new book was a collaborative effort between North Carolina Sea Grant and N.C. Cooperative Extension. "A principal benefit for anyone living near the shoreline is that a dune acts as a storage reservoir for sand, " says Rogers. "The larger the dune, the more time it takes to be eroded by the waves, and the more protection it provides to areas further landward. However, dunes do not provide protection from seasonal beach fluctuations, long-term erosion or inlet erosion — no matter how large the dune.". Please note that these images are extracted from scanned page images that may have been digitally enhanced for read

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