Especially in the near decades, these reasons result in a series of ecological problems, such as pasture retrogression, vegetation sparsity, soil erosion and dust devil.

 
  • 特別是近幾十年來(lái),農牧交錯區因開(kāi)墾草地、過(guò)度放牧,造成草地退化、植被稀疏、土地沙化、水土流失、沙塵風(fēng)暴等一系列嚴重的生態(tài)問(wèn)題。
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