. Coast watch. Marine resources; Oceanography; Coastal zone management; Coastal ecology. After Christmas when the Yuletide spirit has fizzled and it's time to take down the decora- tions, don't throw away your Christmas tree. Old Christmas trees can be used to mend damaged sand dunes, ac- cording to Sea Grant coastal engineer Spencer Rogers. The trees are most useful where pe- destrian traffic has worn a sand dune down and killed the vegetation. Rogers says a Christmas tree is very effective for repairing dunes because its thick- ness slows the velocity of sand-laden winds. The sand then drops
. Coast watch. Marine resources; Oceanography; Coastal zone management; Coastal ecology. After Christmas when the Yuletide spirit has fizzled and it's time to take down the decora- tions, don't throw away your Christmas tree. Old Christmas trees can be used to mend damaged sand dunes, ac- cording to Sea Grant coastal engineer Spencer Rogers. The trees are most useful where pe- destrian traffic has worn a sand dune down and killed the vegetation. Rogers says a Christmas tree is very effective for repairing dunes because its thick- ness slows the velocity of sand-laden winds. The sand then drops out and ac- cumulates around the tree. In windy areas, a tree could trap up to five feet of sand a year. To mend the dune, Rogers says, line the tree up with the crest line of the ad- joining dunes. It should be on its side and parallel to the beach. Be sure to position the tree far enough landward so it won't be affected by the highest tides. If using more than one tree to fill the gap, line them up end to end parallel to the shoreline, Rogers says. Christmas trees also can be used to encourage emerging dunes. Place the trees in low areas in front of the form- ing dunes. The Dune Book offers further information on stabilizing dunes. For a free copy, write Sea Grant, Box 5001, Raleigh, 27650. §One of the regular ex- penses for charter boat operators is bait. Fisher- men use a lot of it. Traditionally, the favorite bait for marlin fishing is ballyhoo, which is relatively expensive and must be shipped from Florida. Last spring Sea Grant recreation agent Dennis Regan and Robert (Huck) Harris with the Division of Marine Fisheries got the idea of cutting down on costs by using hickory shad as skip bait. In North Carolina the female shad is caught for roe, but there is no market for the buck shad. During the short shad run last spring, Regan and Harris caught 300 pounds of shad. They then brined the fish and froze it. Brining, soaking in a high-salt solution, is necessary to k
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