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773 datasets found
Irregular  Nature and Environment 
  • Open Data

    Land cover of lake St.Pierre, 1964 (linear elements)

    Recent efforts to model spring breeding habitats of fish in the St. Lawrence have revealed significant gaps in land use descriptions for the floodplains of Lac Saint-Pierre. In order to fill these gaps, aerial photographs taken in 1950, 1964 and 1997 were assembled in mosaic fashion and then...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • PDF
    • HTML
    • ZIP
  • Open Data

    Land cover of lake St.Pierre, 1950, 1964 and 1997

    Recent efforts to model spring breeding habitats of fish in the St. Lawrence have revealed significant gaps in land use descriptions for the floodplains of Lac Saint-Pierre. In order to fill these gaps, aerial photographs taken in 1950, 1964 and 1997 were assembled in mosaic fashion and then...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
    • PDF
    • SHP
  • Open Data

    Computerized Database of Québec Seabirds (CDQS)

    Monitor variations in seabird numbers and colony size in the St. Lawrence system. Survey of over 20 species of seabirds and herons during the breeding season, in order to monitor population dynamics through time and space. Seabird populations are influenced by food abundance and quality. There is...
    Organization:
    Environment and Climate Change Canada
    Resource Formats:
    • HTML
    • CSV
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