中国首都圈土地沙化过程及防治对策——以河北省丰宁县小坝子乡为例

以河北省丰宁县小坝子乡的土地沙化为例，从地质过程、生物过程、人文过程探讨和研究了沙化演变与治理对策，指出了治穷和治沙的关系，绿化与水平衡的因果关系，提出绿色、人文、科技结合，林草兼顾、经济发展与环境建设是步，是为北京堵沙源、保水源的有效措施。

The process of soil desertification and the controlling strategy around Beijing cycle in China-A case study from Xiaobazi Township, Fengning County, Hebei Province

As an example of soil desertification, the changes of soil desertification and the controlling strategies were studies based on the histories of geology, biology and human activity in Xiaobazi Township, Fengning County, Hebei Province. The relation of controlling soil desertification and anti-poverty, causal relationship of afforestation with water balance were pointed out also. For the sand controlling and water resource conservation to Beijing, greenification, human activity and science and technology must be connected; tree and grass planting must be considered together; the environmental construction must be conducted with the development of economy.