What ethnic groups are there in Daliangshan?

At present, in Liangshan Prefecture, the distribution pattern of ethnic minorities is roughly described as East Yi and Tibet, that is to say, the Yi people in the east and middle are dominant, and the Tibetans in the west are dominant (represented by Muli). In the meantime, the Han people here and there occupied the mountain flat dams, wide river valleys and traffic arteries, and the indigenous minorities could not stand the Han people running up the mountain, but actually assimilated or hybridized. There are Hui, Miao, Yi, Bai, Mongolian and other ethnic minorities in Liangshan Prefecture, which we ignore technically.