. Commercial fisheries review. Fisheries; Fish trade. January 1958 COMMERCIAL FISHERIES REVIEW 65 The Pathfinder is also unique in that her crew is composed entirely of biologists. The crew is selected from the scientific staff of the Virginia Fisheries Laboratory according to the nature of the work to be done on each cruise. At present the ves- sel is primarily engaged in surveys of Chesapeake Bay and its major tributaries to measure the dis- tribution and abundance of fishes and other migra- tory marine animals, to study their movements and estimate the catch of the various commercial and sp
. Commercial fisheries review. Fisheries; Fish trade. January 1958 COMMERCIAL FISHERIES REVIEW 65 The Pathfinder is also unique in that her crew is composed entirely of biologists. The crew is selected from the scientific staff of the Virginia Fisheries Laboratory according to the nature of the work to be done on each cruise. At present the ves- sel is primarily engaged in surveys of Chesapeake Bay and its major tributaries to measure the dis- tribution and abundance of fishes and other migra- tory marine animals, to study their movements and estimate the catch of the various commercial and sport fisheries by tagging, to estimate the success of spawning and attempt to predict the future sup- ply. It is planned to broaden the program in the future, to investigate the effects of oceanic currents upon the sunrival of young fishes and their move- ments from the ocean spawning grounds to nursery grouixds in the Bay and estuaries. overhead. The galley is fitted with a stainless steel gas stove, an 8-cubic-foot electric refrigerator, a stainless steel sink, and built-in table and benches of marine plywood. A gas detector is mounted on the forward bulkhead, with the sensitive element in the bilge. The galley is ventilated by a blower and a 6-inch port. On the starboard side are the toilet facilities. The stateroom, also on the starboard side aft of the head contains two bunks, with foam rubber mattresses, lockers for clothing, and is ventilated with a 6-inch port. Waste water is pump- ed overboard by an automatic stimp pump. The engineroom contains a Diesel engine, and twin-disc hydro-troll marine gear, with :1 re- duction gear ratio. The hydro-troll device permits bleeding off a portion of the hydraulic fluid, causing. FIG. Z - DETAILS OF m/v PATHFINDER ABRANQEMENT. Keel and keelson of the vessel are yellow pine, each in one length, fitted with a wrou^t-iron worm shoe. Stem, stem knee, forefoot, cheek pieces, frames, engine girders and beds, breasthooks, and quarter kn
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