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Long‐term changes in the feeding of Pollachius virens on the Scotian Shelf: responses to a dynamic ecosystemNARA Subscribed
The diet and feeding ecology of pollock Pollachius virens from the Scotian Shelf and Bay of Fundy in the north‐west Atlantic changed over the last few decades, which was associated with decreases in euphausiid abundance. Stomach contents data for 2078 pollock collected during the 1958–1967 period and for 1230 pollock collected during the 1996–2002 period indicated that pollock diet contained fewer euphausiids and feeding activ...
Seasonal aggregations of Canadian east coast pollock as inferred from the commercial fishery and hydroacoustic observationsNARA Subscribed
Data from an otter trawler fleet fishing on the Scotian Shelf combined with year‐round hydroacoustic data indicated that the locations of aggregations of pollock Pollachius virens did not change appreciably from month to month. The proportion of pollock mass compared with total catch mass in individual trawl catches, however, tended to be higher from September to February. The period of highest catch rates was shown to be the...
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