REGIONAL ADAPTATION AND BREAKTHROUGH OF THE LIVELIHOOD WAY OF THE MOUNTAIN ETHNIC GROUPS IN THE SOUTHEAST FRINGE OF HIMALAYA FROM THE PERSPECTIVE OF SPACE PRODUCTION

The southeastern fringe of Himalayas is the extension of Himalayas to the southeast. In geography. Himalayas transformed from east to west, and now it transformed from northwest to southeast. Geopolitically, it includes vast areas in northwestern Yunnan, southern Tibet, northern Myanmar, and northeastern India. The steep altitude difference and the vertical climate distribution together create a regional natural space with diversity. From the perspective of space production, the mountain ethnic groups living in this area create a set of livelihoods respectively, which are compatible with the complex and diverse natural spaces in the process of interacting with the natural space. The exchange behavior among ethnic groups is the beginning of the way in which the mountain peoples of different livelihood types breakthrough their own livelihoods. The emergence of trade activities will link the mountainous ethnic groups of different livelihood types across the Himalayas into a whole with a common cultural identity. The process by which its livelihoods achieve breakthroughs in the process of space production is also a process of different cultural blending.