Fisheries and Oceans Canada

70 datasets found
  • Open Data

    Evaluation of groundfish and shrimp annual multidisciplinary survey in the Estuary and northern Gulf of St. Lawrence (CCGS Alfred Needler 1990 - 2005)

    Fisheries and Oceans Canada (DFO) conducts an annual multidisciplinary scientific survey with a bottom trawl in the Estuary and the northern Gulf of St. Lawrence since 1978. Over the years this survey has been conducted on four vessels: the MV Gadus Atlantica (1978-1994), the MV Lady Hammond...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • HTML
    • ESRI REST
    • CSV
  • Open Data

    Invertebrate assemblages and submerged aquatic vegetation in coastal areas of the St. Lawrence Estuary and Gulf (north shore) using a drop photo ca...

    This dataset is derived from analyses of photo samples obtained by deploying drop camera photo (DCP) systems conducted during various research surveys in coastal areas of the north shore of the St. Lawrence Estuary and the Gulf between Portneuf-sur-Mer and Sept-Îles between June and October of...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
    • CSV
  • Open Data

    Biological Sensitivity Mapping for Oil Spill Planning and Response, Quebec Region

    The Planning for an Environmental Response (PIER) initiative falls under the umbrella of the Government of Canada's Oceans Protection Plan (OPP), whose goal is preserving marine ecosystems vulnerable to increased transportation and the development of the marine industry...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
    • HTML
  • Open Data

    Biodiversity of the Mingan Archipelago Icelandic Scallop survey

    A research survey of Iceland scallops (Chlamys islandica) using a dredge has been carried out by DFO (Fisheries and Oceans Canada) every 1 or 2 years since 1990 in the Mingan Archipelago ( fishing areas 16E and 16F). The main objective of this research survey was to assess Icelandic Scallop...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • CSV
    • ESRI REST
  • Open Data

    Known concentration areas of Arctic wedge clam in the Estuary and the Gulf of St. Lawrence

    The dataset represents known concentration areas of harvested or unharvested Arctic wedge clam (Mesodesma arctatum) in the Estuary and the Gulf of St. Lawrence, Quebec region. The dataset was created for the National Environmental Emergencies Centre (NEEC) for preparation and response purposes in...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
    • CSV
    • SHP
  • Open Data

    Seasonal Movements and Diving of Ringed Seals, Pusa hispida, in the Western Canadian Arctic, 1999 – 2001 and 2010 – 2011

    This record contains two datasets: 1. Raw unfiltered geographic coordinates and accuracy estimates of ringed seals tagged in the Western Canadian Arctic and 2. The location estimate from state-space models using a 12-hr time step. In total, 17 ringed seals were captured, measured, weighed, and...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
    • PDF
    • CSV
  • Open Data

    Known concentration areas of the Stimpson's surfclam in the Estuary and the Gulf of St. Lawrence

    Stimpson's surfclam or Arctic surfclam (Mactromeris polynyma) concentration areas in this layer are described as being known and commercially exploited historically and/or currently. The mapping of these areas is based on several sources of information: exploratory fisheries, scientific surveys...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
    • CSV
    • SHP
  • Open Data

    Characterization of the Batture-aux-Alouettes kelp bed in 2018-2019

    The purpose of this study was to characterize the kelp bed at Batture-aux-Alouettes, a preferred food source for the green sea urchin (Strongylocentrotus droebachiensis). The green urchin is fished commercially in Quebec and the fishing effort is concentrated on the Batture-aux-Alouettes near...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
    • CSV
  • Open Data

    Biodiversity of the snow crab trawl survey in the St. Lawrence Estuary (2019)

    A research survey on snow crab (Chionoecetes opilio) was conducted from July 7 to July 26, 2019 in the Estuary St. Lawrence River between Forestville, Baie-Comeau and Matane. The main objective of this survey was to assess the abundance of snow crab and benthic species associated with snow crab...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
    • CSV
  • Open Data

    Beluga whale summer herds distribution in the St. Lawrence Estuary

    This layer represents the seasonal distribution of the St. Lawrence Estuary beluga whale population (Delphinapterus leucas). Three groups are represented: females with calf, adult males and mixed sectors. Herd distribution was defined using Fisheries and Oceans Canada (DFO) published data about...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
    • CSV
    • SHP
  • Open Data

    Known concentration areas of the Atlantic razor clam in the Estuary and the Gulf of St. Lawrence

    The dataset represents known concentration areas of harvested or unharvested Atlantic razor clam (Ensis leei) in the Estuary and the Gulf of St. Lawrence, Quebec Region. It was created for the National Environmental Emergencies Centre (NEEC) for preparation and response purposes in case of an oil...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
    • CSV
    • SHP
  • Open Data

    Blue whale sightings in the Estuary and Gulf of St. Lawrence

    Sightings data were collected by the Mingan Island Cetacean Study (MICS) from 1980 to 2008 with annual surveys realised in the Gulf of St. Lawrence between the end of may and early november. Surveys were conducted using inflatable boats enabling the close approaches necessary to photograph and...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • CSV
    • SHP
    • ESRI REST
  • Open Data

    Harp seal distribution in the Gulf of St. Lawrence and Atlantic Ocean

    This layer represents the Harp seal (Pagophilus groenlandicus) distribution. During the summer, the Harp seal is in Arctic and it migrates south of its distribution range during the fall. It migrates back to the Arctic after the moulting period which occurs in April and May. Reference: DFO....
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
    • CSV
    • SHP
  • Open Data

    Bowhead whale sightings made on 24-25 July 1992 in the Beaufort Sea and Amundsen Gulf

    This record contains data on bowhead whale locations reported in Harwood, L.A. and P. Norton. 1996. Aerial survey data from the southeast Beaufort Sea, Mackenzie River estuary and west. Amundsen Gulf, July 1992. Canadian Data Report of Fisheries and Aquatic Sciences No. 964
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • PDF
    • ESRI REST
    • CSV
  • Open Data

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

    Spatial distribution of the Smooth 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

    Beluga Calves Relative Summer Density in the St. Lawrence Estuary

    This layer represents the relative summer density of beluga calves in the St. Lawrence Estuary based on 35 aerial surveys carried out from 1990 to 2009. The boundaries of the areas were determined by combining the highest densities until the desired proportion of the population was obtained using...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
    • CSV
    • SHP
  • Open Data

    Known concentration areas of the Sea scallop and the Iceland scallop in the Gulf of St. Lawrence

    Sea scallop (Placopecten magellanicus) and Iceland scallop (Chlamys islandica) concentration areas of this layer are described as being known and commercially exploited historically and/or currently. The mapping of these areas is based on several sources of information: research surveys (since...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • ESRI REST
    • CSV
    • SHP