亚北极, or the "Subarctic," refers to a region located just south of the Arctic Circle. This area is characterized by cold climates, short summers, and long winters. It includes parts of countries like 加拿大, 俄罗斯, and 斯堪的纳维亚. The Subarctic is home to unique ecosystems, including boreal forests and tundra. Wildlife such as 驯鹿 and 北极狐 thrive in this environment. The region also experiences distinct seasonal changes, with significant variations in daylight hours throughout the year.