The Arctic region is broken into three floristic zones (High, Low and Sub Arctic), referring to the amount of plant life that exists within the regions' boundaries.

根据区域边界内的植物数量，北极地区可以划分成三个植物区系(分别是高北极，低北极和次北极)。

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The tropics boast more than 10 times as many species of animal and plant as the Arctic, with diversity decreasing steadily as you approach the poles.

热带地区繁衍着比北极地带多上数十倍的动植物物种，地理位置越趋向两极，生物的物种就会有直线的减少趋势。

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The Sayano-Shushenskaya plant stands astride the Yenisei river, which flows from Mongolia to the Arctic.

萨彦·舒申斯克水电站横跨叶尼塞河，该河由蒙古进入北极。

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An increasingly early Arctic spring could increase plant growth by up to 25%.

ECONOMIST: The melting north | The

The men will be retired professionals: doctors, lawyers, engineers, stockbrokers, interested in Arctic exploration, polar bears, archeology, birds, Inuit crafts, perhaps even Vikings or plant life or geology.

NEWYORKER: Stone Mattress