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Ecological Framework of Canada
Northwest Atlantic Marine Ecozone

The Northwest Atlantic Ecozone begins in Canada's Far North at the mouth of Lancaster Sound. It continues south along the eastern edge of Baffin Bay, touching Baffin Island at Cape Dyer. It takes in the remaining coast of Baffin Island, rounds Resolution Island and heads west to Hudson Strait. Arcing east, the ecozone encompasses Ungava Bay and all of the Labrador Coast, the west and northeast coasts of Newfoundland, and the entire Quebec, New Brunswick, P.E.I. and Nova Scotia coasts of the Gulf of St. Lawrence. Offshore, it follows the outer edge of the underwater continental shelf, descending south from the permanent ice sheet near Davis Strait to come ashore at Newfoundland's Avalon Peninsula.