Technical Report
 

Crab movement off Port Orford, Oregon

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https://ir.library.oregonstate.edu/concern/technical_reports/rb68xc691

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  • Dungeness crab migration along the coast and movement in and out of bays and estuaries has been studied by Cleaver (1949) in Washington, Waldron (1958), and Snow and Wagner (1965) in Oregon. Tagged crabs were recovered up to 133 miles from the point of release and a free interchange between the bay and ocean populations was indicated. Waldron (1958) suggested that jetties or natural land projections along the coast might be a barrier to nearshore crab migration. Port Orford was chosen to examine specifically the movement of crabs around a natural headland. Port Orford is located on the southern Oregon coast at latitude 124° 30' N., longitude 42° 44' W. (Figure 1). The port is exposed from the south and completely protected from the west and north by a headland known as The Heads. The crabs tagged and released at the dock would have to travel nearly 2 miles south and west to go north along the coast.
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