【摘要】 在综述前人对中国北方农牧交错带及其形成原因的研究的基础上,分析了农牧交错带的成因和过程,认为农牧交错带是经过长期演变形成的,是自然因素和人为因素共同作用的结果.自然因素特别是气候干湿波动对其形成和空间上的摆动有着深刻影响,人为因素尤其是农垦活动仅在自然因素基础上起着加速现代农牧交错带分布格局的形成和促使农牧界线频繁摆动的作用.更多还原

【Abstract】 This paper reviews predecessors’ understanding on transitional belt between agriculture and animal husbandry in northern China. Through comprehensive analyses of natural factors and human factors, it is put forward that this belt has been gradually and dynamically formed under the specific natural environment and anthroponomy history. The formation of the farminggrazing transitional belt is strongly impacted by the climatic changes, while the human activities accelerate process of formation. In a word, the formation and vicissitudes of farminggrazing transitional belt considerably relies on the natural factors and human factors. 更多还原