或许十年内，科学家们也许有能力帮助那些年初想知道何时能派遣船只经过季节性无冰层覆盖北极的轮船公司。

Perhaps in a decade scientists may be able to help shipping companies who want to know how early in the year they can expect to send freighters through a seasonally ice-free Arctic.

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没有陆路经过这遥远的北部荒野来到这座小城丘吉尔，请乘火车或飞机来看看这里最有名的秋季居民——北极熊。

No roads lead through the remote northern boreal wilderness directly into tiny Churchill, so plan to arrive by train or plane to see the area's most famous fall residents-polar bears.

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经过北极地区的候鸟数量平均下降了6%，尽管“急剧增加”的某些迁徙大雁种群使这个数据有所偏差。

Migratory birds that pass through the Arctic have decreased an average of 6 percent, although that number is skewed by a "dramatic increase" in some populations of migratory geese.

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