Fisheries and Oceans Canada

121 datasets found
  • Open Data

    General distribution of humpback whales in the Estuary and Gulf of St. Lawrence

    General distribution of Humpback Whales in the Estuary and Gulf of St. Lawrence based on all identified whales from the entire MICS database (Mingan Island Cetacean Study). Additional information The MICS (Mingan Island Cetacean Study) has been collecting and compiling in a...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • CSV
    • SHP
    • ESRI REST
  • Open Data

    Feeding and migration important areas for Blue whales in the Estuary and the Gulf of St. Lawrence and in the Atlantic Ocean

    A modelling analysis conducted by Fisheries and Oceans Canada (DFO) identified these areas as the most suitable habitat for Blue whales: Gulf of St. Lawrence, waters off the southern coast of Newfoundland, the region of Mecatina Trough, the Esquiman Channel and the continental shelf margin off...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
    • CSV
    • SHP
  • 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

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

    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

    Lumpfish potential spawning site in the Gulf of St. Lawrence

    Identification of a potential spawning site for lumpfish during an ichtyofauna inventory conducted in the eelgrass in Sept-Îles bay by Calderón (1996). Purpose: The 1996 document by par Isabel Calderón has been achieved by the "Corporation de protection de l'environnement de Sept-Îles" with...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • SHP
    • CSV
    • ESRI REST
  • Open Data

    Relative occurrence of Spotted Wolffish in the Estuary and Gulf of St. Lawrence

    Spatial distribution of the relative occurrence of Spotted Wolffish in the annual DFO groundfish research surveys conducted by the Québec (1978-2008) and Gulf (1971-2008) regions. Catch and effort data were aggregated by 100 km² cells. The probability of catching an Spotted Wolffish in a set...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • SHP
    • CSV
    • ESRI REST
  • Open Data

    Concentrations of suspended particulate matter (SPM) in the St. Lawrence

    The layer provides information on suspended particulate matter (SPM) concentrations by area. There is a natural interaction phenomenon between hydrocarbons and SPM, that creates hydrocarbon-SPM aggregates. The SPM in the water column, hence has an effect on hydrocarbon capacity to sink to the...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • CSV
    • ESRI REST
  • Open Data

    Presence of the Thorny Skate in the Estuary and Gulf of St. Lawrence

    Spatial distribution of the Thorny Skate presence expressed by catch weight based on the annual Department of Fisheries and Oceans (DFO) groundfish research surveys realised between 2004 and 2010. Catch data (kg/nautical mile) were aggregated by 100 km² cells. They are derived from processed...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • CSV
    • SHP
    • ESRI REST
  • Open Data

    Atlantic Salmon Smolt Data from the Restigouche River, New Brunswick

    Each year, rotary screw traps (smolt wheels) are installed in the Kedgwick River, Upsalquitch River and main Restigouche channel from early May to mid/late June. On the Upsalquitch, the smolt wheel is operated in partnership with Eel River Bar First Nation and on the main Restigouche channel...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • CSV
    • ESRI REST