circumpolar

adj.

极地附近的，围绕天极的，拱极的；

n.

拱极星；

1. It's commonly considered a single circumpolar species.
   这一般被认为是极地地区单一的品种。

Circumpolar Arctic Vegetation
The Circumpolar Arctic vegetation map
Circumpolar Arctic Tundra Vegetation Change Is Linked to Sea Ice Decline
The physics of the Antarctic Circumpolar Current
An Antarctic circumpolar wave in surface pressure, wind, temperature and sea-ice extent
The response of the Antarctic Circumpolar Current to recent climate change
Soil organic carbon pools in the northern circumpolar permafrost region.
Transport and variability of the Antarctic Circumpolar Current in Drake Passage
On the meridional extent and fronts of the Antarctic Circumpolar Current
Estimated stocks of circumpolar permafrost carbon with quantified uncertainty ranges and identified data gaps