关键词: 食物生产系统, 西藏, 区划, 社会经济指标

Abstract: The division of labor in society in Tibet has not been detailed yet. The economic development mainly depends on the production of agriculture, forestry and animal husbandry. Since production of agriculture, forestry and animal husbandry a strongly relies on nature and ecological environment, the output and benefits of production system of agriculture, forestry and husbandry of the food production system are controlled by natural conditions, the development extent and level of land resources are low. So far no important adjustment and reforms on the structure of land resources have been carried out in the region. Agriculture, forestry and animal husbandry are the main forms of human land use, as they are organized in different forms, obvious regional features and differentiations are also resulted in. Food production system in Tibet was delineated based on the agro economic data in combination with biophysical data and GIS application. Four identical food production systems were delineated, such as agriculture dominated area, agro pastoral dominated area, pastoral area and agro forestry pastoral area. The characteristics of each area were described in detail.

Key words: food production system, Tibet, delineation, agro economic index