1. 长期以来，形成的广种薄收、粗放经营的生产方式，导致了大规模掠夺式地毁林开荒、垦草种粮，使这一地区大面积的土地风蚀沙化，生态环境遭到严重破坏。
For a long time, an extensive mode of production with a large-scale of destroying forestland and grassland for farming use has been shaped up, which leads to the severe desertification by wind erosion, therefore does a great damage to the ecological environment.