Fisheries and Oceans Canada

2 datasets found
Annually  Oceans  SHP 
  • Open Data

    NAFO fishing division 4T Herring Science Acoustic Survey

    Since 1991, an annual fishery-independent acoustic survey of early fall (September-October) concentrations of Herring has been conducted in the sGSL. The standard annual survey area occurs in the 4Tmno areas where both NAFO Div. 4T Herring spawning components aggregate in the fall. The survey...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • CSV
    • SHP
    • ESRI REST
  • Open Data

    NAFO fishing division 4T Herring Spawning Grounds Acoustic Survey

    In 2015, a spawning ground acoustic survey that follows the design of the fishery-independent acoustic survey was initiated. This survey is the result of a partnership between DFO and fishery associations. The survey design uses random parallel transects within predefined strata. Surveys are...
    Organization:
    Fisheries and Oceans Canada
    Resource Formats:
    • CSV
    • SHP
    • ESRI REST