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Fisheries and Oceans Canada provides polygons identifying concentrations of large gorgonian corals derived from research vessel by-catch data. Kernel density analysis was applied to Campelen trawl survey data within the Newfoundland-Labrador Shelves biogeographic zone, using a 0.3 kg catch weight threshold to define coral fields. The dataset includes latitude and longitude positions for all survey tows that captured corals and sponges.
Data is provided in ESRI REST format, requiring compatible GIS software for use.