arctic ecosystem

• 北极生态系统

arctic ecosystem的用法和样例：

例句

1. While melting in the Arctic might cause problems for plans and animals at lower latititudes, it's creating a downright sunny situation for Arctic biota.
   北极的冰雪融化现象或许会给生活在低纬度的动植物带来诸多问题，同时也令北极生态区完全沐浴在明媚灿烂的阳光之中。