National Marine Conservation Areas of Canada
Canada’s National Marine Conservation Areas System Plan
Canada's Arctic Marine Environment
 
Map showing Park Canada’s 9 Arctic marine regions used in the context of its national marine conservation areas program
© Parks Canada, 1996
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© Parks Canada
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The Arctic coast stretches 165,000 km, encompassing 68% of Canada's ocean coastline.
Coastline varies from steep fjords to cliffs and headlands, gently rolling lowlands, wide tidal flats, estuaries, deltas and permanent ice fields.
Tides vary widely from one end of the Arctic to the other, being generally less than 0.5 m in the north and west, increasing to 1-5 m to the east and south.
Ice, the dominant feature in Arctic marine ecosystems, continuously sculpts the coastal landscape and acts as a major limiting factor to all biological activity. Except during the brief summer season, the Arctic is covered in various combinations of landfast and pack ice. Polynyas and shore leads play a crucial role during this time and are biological "hotspots". Even in the warmest months, the surface water temperature is barely above freezing.
© Parks Canada / Wayne Lynch / Francine Mercier
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