The first is the Qin Dynasty, although immigrants have opened up this Loop and region as part of grassland, but Pottinger waste-that is, the local natural ecology failed to cause serious damage.

• 首先是秦朝，虽然曾有移民开垦今河套和鄂尔多斯地区的一部分草原，但乍兴即废，对当地自然生态未能造成严重破坏。