But campaigners against seal hunting are not wholly beyond reproach either.

但是竞选者反对海豹猎杀也不完全是无可非议的责备。

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Around 6, 000 Canadians take part in seal hunting each year along the Atlantic coast.

每年约6千名加拿大人沿着大西洋海岸，参加猎捕海豹活动。

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But the popularity of seal hunting has dropped, along with a decline in demand for seal products.

但随着对海豹产品的需求下降，狩猎人气也有所下降。

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Canada rejected the European Union's application for observer status due to a long-running dispute over seal hunting and a ban by Brussels's of seal products, such as hide.

WSJ: Arctic Council Grants Observer Status to Six Countries

Indeed, the population of snow geese in the north has recently grown dramatically, and one study suggests that the abundance of goose nests could offset some of the nutrients lost because of a shorter seal-hunting season.

WSJ: Are Polar Bears Really Disappearing?

So shark experts Neil Hammerschlag of the University of Miami in Florida, US, and Aiden Martin of the University of British Columbia in Vancouver, Canada, decided to study the predatory habits of great white sharks hunting off Seal Island, in False Bay, South Africa.

BBC: Earth News - Great whites 'plan' seal attacks