The proportions of two main land patterns-woodland and grassplot, reduced as fast as the distance to river increase, while the proportions of bare land and snow increased.

 
  • 隨著(zhù)距河流距離的增加,林地和草地的面積比例逐漸下降,但仍然是整個(gè)區域的優(yōu)勢景觀(guān),裸地和冰雪與此相反。
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