地处内蒙古西部边陲的阿拉善左旗，地广人稀，资源丰富，３００多年前曾是大清皇帝御封的亲王府所在地。据当地的老年人讲，这里过去是水草肥美、牛兰满坡，颇具“风景这边独好”的草原气息和自然风情。只是近几十年间，随着气候条件的变化和牲畜过牧等人为因素的影响，干旱和 Alxa Left Banner, located in the western border of Inner Mongolia, is sparsely populated and rich in natural resources. For more than 300 years ago, it was home to the Imperial Palace of the Qing Emperor Yufu. According to the local elderly, here is the pasture is plump, oxford full slope, rather “the scenery here is good” prairie atmosphere and natural atmosphere. Only in recent decades, with the climatic conditions and animal husbandry and other human factors, the impact of drought and