agricultural ecological sections

英 美
  • 农业生态区
    1. Northern North America is part of a larger circumpolar ecological domain that continues across the narrow Bering Stait into Siberia and northern Europe.
      北美北部是极地生态区的一部分,极地生态区一直向外延伸,穿过白令海峡,进入西伯利亚和北欧。