Due to such change, it is documented that the plants in the mid and high latitude regions has responded markedly, such as shifts in phenology, increases in vegetation activity.

• 全球气候变化是20世纪以来令人关注的问题,已经对中高纬度地区植物生长产生了明显的生态效应,如物候期变化,植被生长更加活跃。