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)。
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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