Alfred Needler Data Map (French, ESRI REST)

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Publisher-reported update

2026-08-20

Fisheries and Oceans Canada (DFO) has conducted an annual summer multidisciplinary scientific bottom trawl survey in the Estuary and the northern Gulf of St. Lawrence since 1984. Over the years this survey has been conducted on four vessels: the MV Lady Hammond (1984-1990), the CCGS Alfred Needler (1990-2005), the CCGS Teleost (2004-2021) and the CCGS Cabot (2022- on going). It is important to note that the objectives, the methods used and the identification of the species during these surveys have improved over time in response to DFO requests and mandates. The data are therefore not directly comparable between these surveys. The specificities of the missions onboard the CCGS Alfred Needler are described below. Objectives: Assess groundfish and northern shrimp population abundance and condition Assess environmental conditions Conduct a biodiversity inventory of benthic and demersal megafauna Monitor the pelagic ecosystem Collect samples for various research projects Survey description The survey covers the divisions 4R, 4S, 3Pn and the northern part of division 4T of the Northwest Atlantic Fisheries Organization (NAFO). This survey follows a stratified random sampling design and…

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