Search Records

132 datasets found
Gulf of St. Lawrence  Fisheries and Oceans Canada 
  • Open Data

    Relative occurrence of the Winter Skate in the Estuary and Gulf of St. Lawrence

    Spatial distribution of the Winter Skate relative occurrence based on the annual Department of Fisheries and Oceans (DFO) groundfish research surveys realised between 2004 and 2010. The probability of catching a Winter Skate in a set and within a cell (relative occurrence) was calculated as the...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • CSV
    • SHP
    • ESRI REST
  • Open Data

    Marsh inventory in the Chaleur Bay, the Estuary and the Gulf of St. Lawrence

    Marsh inventory in the Chaleur Bay, the Estuary and the Gulf of St. Lawrence according to a literature review of documents produced between 1985 and 2002. Additional Information The marsh inventory was produced according to a literature review of the following documents: Bolduc, F. et P....
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • SHP
    • CSV
    • ESRI REST
  • Open Data

    High primary production areas in the Estuary and the Gulf of St. Lawrence

    This layer represents areas where primary production is considered to be high. Primary production includes microscopic algal blooms, named phytoplankton, a food resource at the base of the food web of marine ecosystems. The knowledge of these zones can serve as a proxy to identify areas of the...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • CSV
    • ESRI REST
  • Open Data

    Megahabitats of the St. Lawrence Estuary and Gulf - Personnal Geodatabase

    Available information for the Estuary and Gulf of St. Lawrence on salinity, temperature, dissolved oxygen, depth, slope, and variability in landscape and sediments, were aggregated using a grid made up of 100 km2 cells as a basis for mapping and describing marine habitats for conservation and...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • SHP
    • CSV
    • ESRI REST
  • Open Data

    NAFO 4T Atlantic Herring Biomass Estimates

    Atlantic herring NAFO 4T biomass estimates for both spring and fall stock components. Values are provided in kilotons (kt) alongside with confidence intervals 50% (spring) and 95% (spring and fall).
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • CSV
    • ESRI REST
  • Open Data

    Significant areas of krill in the Estuary and Gulf of St. Lawrence

    Krill is a generic name for crustaceans of the order Euphausiids, most of which are known to be Thysanoessa raschii and Meganyctiphanes norvegica in eastern Canada. Krill is an important food resource for many marine mammals, in particular the blue whale. The maps show the points of high krill...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • CSV
    • ESRI REST
  • Open Data

    Coral and Sponge Concentrations in the Gulf Region of Canada

    Concentrations of sea pens, small and large gorgonian corals and sponges on the east coast of Canada have been identified through spatial analysis of research vessel survey by-catch data following an approach used by the Northwest Atlantic Fisheries Organization (NAFO) in the Regulatory Area...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
  • Open Data

    Phytoplankton counts at the Atlantic Zone Monitoring Program (AZMP)-Quebec’s ...

    Phytoplankton counts (cell/L)) at the 3 fixed stations and some of the 46 stations grouped into Atlantic Zone Monitoring Program (AZMP) transects under Quebec region responsibility. Phytoplankton data counts at AZMP stations in June 2014, 2018 and 2019 are displayed as 5 layers: Diatoms,...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
    • CSV
  • Open Data

    Coastal and epipelagic habitats of the St. Lawrence Estuary and Gulf - Database

    A geospatial database involving 130 descriptors was created describing the pelagic and benthic habitats of the 0–30 m surface layer in the estuary and Gulf of St. Lawrence. A grid made of 6.25 km² cells (2.5 x 2.5 km) was used to aggregate the data. Each of the 39,337 cells overlapping the...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • SHP
    • CSV
    • ESRI REST
  • Open Data

    Sea Pen Fields in the Gulf (Campelen Trawl Sample)

    Polygons denoting concentrations of sea pens, small and large gorgonian corals and sponges on the east coast of Canada have been identified through spatial analysis of research vessel survey by-catch data following an approach used by the Northwest Atlantic Fisheries Organization (NAFO) in the...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
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