Cartographic data from the redfish survey (French, ESRI REST)

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Publisher-reported update

2026-06-05

Monitoring of Unit 2 redfish by Fisheries and Oceans Canada (DFO) ceased in 2002. Since then, the Atlantic Groundfish Council (AGC, formerly the Groundfish Enterprise Allocation Council [GEAC]) has funded surveys approximately every two years in the area, in collaboration with DFO. Over the years, various vessels and gear types have been used. In 2024, a comparative survey was conducted using the CCGS John Cabot and a fishing industry vessel (the Léry Charles) to develop conversion factors that allow data from the 2020, 2022, and 2024 Unit 2 redfish surveys to be standardized to CCGS John Cabot equivalents. The survey covered the waters off southwestern Newfoundland and eastern Cape Breton, corresponding to redfish management Unit 2, which includes NAFO subdivisions 3Pn, 3Ps, 4Vn, 4Vs, and 4W. Here, data collected aboard the CCGS John Cabot are presented. Objectives • Assess the abundance and condition of groundfish and invertebrates • Assess environmental conditions • Inventory the biodiversity of benthic and demersal megafauna • Monitor the pelagic ecosystem • Collect samples for various research projects Data The CCGS John Cabot employed a four-sided modified Campelen 1800…

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