民族地区主要指我国的民族自治区,同时也包括我国个别少数民族居多的省份[1]。文章中的民族地区主要指我国少数民族分布最为集中的西南民族地区(云南省、贵州省、四川省、重庆市、广西自治区、西藏自治区)、西北民族地区(宁夏自治区、甘肃省、青海省、新疆自治区、内蒙古自治区中东部)和东北民族地区(黑龙江省、吉林省、辽宁省、内蒙古自治区东部)三大民族地区。生态环境是人类生存和生活的摇篮,也是经济社 Ethnic areas mainly refer to the ethnic autonomous regions of our country, as well as the provinces where individual ethnic minorities in our country are predominant [1]. The ethnic areas mainly refer to the ethnic minorities in Yunnan Province, Yunnan Province, Guizhou Province, Sichuan Province, Chongqing Municipality, Guangxi Autonomous Region and Tibet Autonomous Region which are the most concentrated in ethnic minorities, the ethnic minorities in Northwest China (Ningxia Autonomous Region, Gansu Province, Qinghai Province, Xinjiang Autonomous Region, the Middle East of Inner Mongolia Autonomous Region) and the northeastern ethnic areas (Heilongjiang, Jilin, Liaoning, Inner Mongolia Autonomous Region). Ecological environment is the cradle of human existence and life, but also economic society