After taking office in 2006 Harper redefined Canadas Arctic policy with his new Northern Strategy emphasizing a more assertive role with larger military presence and more unilateral actions after criticizing the Grits for trying to negotiate and solve disputes amiably in international forums and all those unmanly things Liberal softies tends to do under the slogan "Use it or loose it", but recently the Canadian government has toned down its tough rhetoric, which is why the increased claim was a bit of a surprise to Danish foreign policy experts and diplomats. But apparently Canada tones down its rhetoric, while at the same time stepping up its claims and actual presence in the area.
http://www.theglobeandmail.com/news/national/the-north/myth-versus-reality-in-stephen-harpers-northern-strategy/article16397458/?page=all