关键词: 辽金时期, 西辽河流域, 农业开发区

Abstract: The core region of agricultural exploitation in the Xiliaohe River valley during Liao and Jin dynasty went through several changes. At the beginning of the Liao dynasty, immigrants from Central Plain and Bohai occupied the region where the Shangjing was the center, and they were engaged in cultivation. This formed the economic core of Liao dynasty. The core maintained its place for about 100 years. At the middle of the Liao dynasty, more than 100000 people moved from Shangjing to Zhongjing region. And so did the economic core and the main agricultural exploitation region. The central place of Zhongjing maintained for another 100 years or more. At the middle of Jin dynasty, the core moved again to Xingzhong Prefecture. This article mainly discusses the changes of the core of the population and agriculture form Xilamulun River and Wu'erjimu River valleys to Laoha River and Daling River valleys, and the relationship with environmental change.

Key words: Liao and Jin dynasty, Xiliaohe River valley, the region of agricultural exploitation