环渤海地区改革开放20多年来得到了快速的发展,但也导致了城镇迅速扩张和耕地不断减少。根据环渤海地区20世纪80年代以来的农村社会经济统计资料、土地概查、土地详查分析和实地调查研究,对环渤海地区近20年的耕地变化态势及非农业人口增加、非农产业发展、农业结构调整、退耕与灾毁、土地整理开发复垦和土地管理政策等影响耕地减少的主要动因进行了探讨。

As one of the most important economic centers in the coastal open regions of China,the area around the Bohai Sea has been developing fast since the implementation of reform and open policies in the last20odd years,as a result,cities and towns got drastic expanded,but farmland sharply declined.According to socio-economic statistical data,general surveys,analysis of detailed surveys of land as well as field investigations in the rural areas of the Bohai Rim in the corresponding period,the major driving forces that affect the trend of farmland change,in-crease of non-agricultural population,non-agricultural development,restructuring of agriculture,defarming and disaster damage,land management,exploitation and reclamation,as well as land management policies are discussed in the paper.