根据野外调查与遥感解译结果，结合前人的研究资料，论述了若尔盖高原草原沙化的自然因素和人为因素。
This paper mainly analyzes the natural and anthropogenic causes of grassland desertification in the Ruoergai Plateau using the method of remote sensing and field investigation.
草原区的煤炭开采，大量的挖损和排土场岩土排弃占地面积大，人为堆垫的松散堆积物形成再塑地貌，破坏大面积草场原地貌环境，是新生水土流失的源地。
The area of mine exploitation and outer dump or digging are large in steppe, which destroyed many grassland resources and also formed lots of new soil and water losses.
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