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Assessment of 4VWX-5-6 Pollock

Assessment of 4VWX-5-6 Pollock
Author: Lynn Cleary
Publisher:
Total Pages: 37
Release: 1980
Genre:
ISBN:
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"The pollock (Pollachius virens) fishery on the Scotian Shelf and Gulf of Maine has been recently increasing in commercial importance. Since the early 1970s, there seem to have been an increase in fishing effort directed on pollock, accompanied by a raise in landings. This is attributed to the application of restrictive legislation on the cod and haddock fishery, as well as a decline in abundance of some groundfish stocks, which happened during the same period of time"--Introduction.

Distribution of Pollock (Pollachius Virens) Eggs and Larvae on the Scotial Shelf, Eastern Gulf of Maine, Bay of Fundy and Eastern Georges Bank

Distribution of Pollock (Pollachius Virens) Eggs and Larvae on the Scotial Shelf, Eastern Gulf of Maine, Bay of Fundy and Eastern Georges Bank
Author: Alexander Reimund Hanke
Publisher: St. Andrews, N.B. : Department of Fisheries and Oceans
Total Pages: 128
Release: 2001
Genre: Pollock
ISBN:
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The temporal and spatial distribution of sampling and the sampling protocols used for pollock during the Canadian Department of Fisheries and Oceans Larval Herring (UlP), Scotian Shelf Ichthyoplankton (SSIP) and Fisheries Ecology Programs {FEP) are summarized. In addition, the spatial distributions of Stage I, II, III and IV pollock eggs and I to 7 mm and > 7 mm pollock larvae are presented for each survey and are aggregated over all programs and time to form general and bimonthly composites. To avoid standardizing the sampling effort for differences among sampling protocols and gear types used in the survey programs, the distributions of pollock early life history stages were determined using a presence/absence criterion rather than the actual abundance. The samples selected from the LHP database were those collected using a 61cm Bongo outfitted with either 505- or 333-μm mesh and towed in a saw tooth fashion. The FEP is represented by Bongo samples taken with a 333-μm mesh and a double oblique tow only and the SSIP is also represented by Bongo samples collected with a 471-μm mesh and an old stepped oblique tow