Beaufort Sea Beaufort Sea The Beaufort Sea () is a marginal sea of the Arctic Ocean, located north of the Northwest Territories, the Yukon, and Alaska, and west of Canada's Arctic islands. The sea is named after Sir Francis Beaufort, a hydrographer. The Mackenzie River, the longest in Canada, empties into the Canadian part of the Beaufort Sea west of Tuktoyaktuk, which is one of the few permanent settlements on the sea shores. The sea, characterized by severe climate, is frozen over most of the year. Historically, only a narrow pass up to opened in August–September near its shores, but recently due
Clean Seas from mining company Centrex Metals to export iron ore from Port Lincoln. Centrex Metals' iron ore mining and export plans did not eventuate. Hagen Stehr, the founder of Clean Seas, stepped down from his position as Chairman of Clean Seas Tuna in 2009. At the time, he said that the company was transitioning from a research and development company to commercialisation. The company reported a $12 million loss in 2009. In September 2010, the "Sydney Morning Herald" reported that Clean Seas staff killed 80 tonnes of stock as a result of human error while "bathing" the fish in hydrogen peroxide.