. Coast watch. Marine resources; Oceanography; Coastal zone management; Coastal ecology. remember is to keep calm. "Don't panic. Don't try to swim against the current," she warns. "Swim parallel to shore until you are out of the current. They are usually no more than 30 feet ; A walk across the low-profile dunes is an opportunity to inventory adaptive vegetation that helps capture moving sand and anchor the shifting island: grasses, yucca, sea rockets, seaside evening primrose, seaside goldenrod, and poor man's pepper. Bird watchers look for brown pelicans, black skimm
. Coast watch. Marine resources; Oceanography; Coastal zone management; Coastal ecology. remember is to keep calm. "Don't panic. Don't try to swim against the current," she warns. "Swim parallel to shore until you are out of the current. They are usually no more than 30 feet ; A walk across the low-profile dunes is an opportunity to inventory adaptive vegetation that helps capture moving sand and anchor the shifting island: grasses, yucca, sea rockets, seaside evening primrose, seaside goldenrod, and poor man's pepper. Bird watchers look for brown pelicans, black skimmers, American oyster-catchers and willets. Even waiting for the boat for the return trip is not wasted. Spence explains that the marshes and surrounding waters are nurseries for juvenile shrimp and fish. The sound area of the island accounts for about $350,000 in commercial fish and shellfish annual production. There's also time to demonstrate the art of keyhole clamming at the water's edge. This technique involves spotting the unique-shaped holes left in the sand by clams as they filter water. No special gear is needed —just a keen eye and a willing- ness to get a little muddy. To spare hands or feet from sand abrasion, some prefer to use a rake. Clark also has time to talk about the jetties — one on the northern end of Masonboro and its mate on the southern end of the Wrightsville Beach island. The jetties keep the channel open from the ocean to the Intracoastal Waterway. Sand pulled along the Wrightsville Beach oceanfront is trapped by the north jetty at the expense of Masonboro Island. In- creased erosion contributes to the island's susceptibility to overwash — resulting in an ever-changing island profile as sand is carried over and deposited onto the landward shore of the narrow barrier island. He uses the dynamic nature of Masonboro Island to discuss coastal building policies. According to the Coastal Area Management Act (CAMA), single family homes must be set back
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