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2 Characterization of Fishing Gear
Pages 12-17

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From page 12...
... Although trawl fishing also spread along the Pacific coast, the relatively narrow continental shelf and limited West Coast markets led to establishment of a smallboat fishery (generally less than 25 m in length) until the advent in the late 1960s of foreign fisheries.
From page 13...
... Currently, there are major groundfish trawl fisheries in New England and Alaska. The shrimp trawl fishery dominates in the Gulf of Mexico and in shallow waters off the coasts of the Carolinas and Georgia.
From page 14...
... The bottom of the frame supports freely turning, slotted rollers that allow the trawl to move over rough bottoms with less scraping of the seafloor than is typical with otter trawls (Barrette, 2001~. Otter trawls developed as fishermen sought to increase the horizontal opening of the trawl mouth, but without the cumbersome rigid beam (Figure 2.2~.
From page 15...
... In the southeast and Gulf Coast areas, small mesh trawls catch shrimp. Because shrimp cannot be herded, shrimp trawl nets are usually connected directly to the trawl doors.
From page 16...
... showing 10+ bottom scars generated by mobile fishing gear in lower Narragansett Bay, Rhode Island (DeAlteris et al., 1999; used with permission from American Fisheries Society)
From page 17...
... This drawing illustrates the relationship between the sweep of the bottom trawl gear and the vessel size.

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