File:Coast watch (1979) (20036624694).jpg

Title: Coast watch
Identifier: coastwatch00uncs_5 (find matches)
Year: 1979 (1970s)
Authors: UNC Sea Grant College Program
Subjects: Marine resources; Oceanography; Coastal zone management; Coastal ecology
Publisher: (Raleigh, N. C. : UNC Sea Grant College Program)
Contributing Library: State Library of North Carolina
Digitizing Sponsor: North Carolina Digital Heritage Center

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shellfish a boost off the estuarine floor and may allow them to reach market size before they succumb to oyster diseases. This eventually may mean more quality shellfish at the market, Kemp says. Market-sized oysters are anticipated 1 1/2 to 2 years after stocking, using the oyster chub system. The time to grow- out varies with oyster density and water quality. Last year, Kemp cultivated 50,000 oysters in the nets, and he doubled that number this year. He also raises clams and scallops in the netting. Tests are continuing to develop methods for reducing fouling of the materials. Zebra Mussel Update The irksome zebra mussel has not yet en- croached into North Carolina's waterways and lakes, but UNC Sea Grant is gearing up for its inevitable arrival. UNC Sea Grant has joined a regional pact of five Mid-Atlantic Sea Grant programs to plan in advance for the barnacle-like mollusk that has thoroughly encrusted boat hulls and water intake pipes in the Great Lakes. The zebra mussel poses a multi-billion dollar threat to North America's industrial, agricultural and municipal water supplies, and it could become a costly nuisance for freshwater shipping, boating and fishing. The regional effort was launched in August with a strategy session that featured the hard-learned lessons from Great Lakes experts. In North Carolina, Sea Grant Water Quality Special- ist Barbara Doll is working with state agencies and industry to establish a monitoring system for the tiny, striped mollusks. This effort will be coordinated with public education programs, including a series of regional public service announcements for radio, informational fliers and a regional fact sheet. North Carolina and Virginia will also co-host a regional conference in 1993 for large commercial and municipal water-users. Lake Phelps Revelations In 1982, fishermen casting a line in Lake Phelps began to hook more than a
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good catch. Through the crystal clear waters of the state's second largest lake, fishermen began to spot Indian artifacts — stone objects and whole clay pots. The discovery aroused the interest of archaeologist David Phelps, an authority on North Carolina's coastal Native Americans, and other state archaeolo- gists. They began to remove the artifacts for examination, and in doing so made an unusual discovery — 30 dugout canoes. The hollowed wooden vessels constitute the largest collection of canoes in the southeastern United States still in association with the sites where they were built and used. Some of the artifacts collected are as much as 11,000 years old. The canoes, which are scattered along the northern and western shores of the lake, range in age from 2430 B.C. to 1400. Archaeologists have used radiocarbon dating to determine the canoes' ages. Phelps and others are studying the shape, size and method of manufacture for the canoes. But he believes most were made by splitting a cypress log, then alter- nately burning and scraping the interior of the canoe until the desired shape and size were obtained. Some of the canoes are only fragments; other are essentially intact, preserved by the acidic water and long burial in the lake sediments. The bow and stern forma- tions on the canoes vary, and the length of the longest vessel is 37 feet. Three of the canoes have been lifted from the lake and preserved. They are on display at Pettigrew State Park in Creswell. COASTWATCH 23

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