喀斯特地区县域土地集约利用评价——贵州省绥阳县为例

随着城镇化进程的加快,社会经济发展对土地的需求不断增加,土地供需矛盾、土地生态环境恶化等问题日益突出。以绥阳县15个乡镇土地利用、社会经济数据为依据,建立土地集约利用评价指标体系,运用定量的评价方法,对绥阳县各乡镇土地集约利用水平进行评价。结果表明:(1)绥阳县各乡镇土地集约利用水平大都处于适度利用水平;其中,土地利用效益和土地投入水平是制约各乡镇集约利用水平的重要因子;(2)绥阳县土地集约利用水平呈阶梯差异,从东向西逐步降低的特征;(3)土地集约利用水平高低主要受地形地貌和经济发展水平的影响,集约度的高低与地形地貌、经济发展水平的高低具有一致性。

Evaluation of Land Intensive Use on County Scale in Karst Area——A Case Study of Suiyang County

With the rapid urbanization,social economy development increasingly demands for land,contradiction of supply and demand of land and land deterioration of ecological environment has become increasingly prominent.Based on the data of land use and economic statistics of 15 townships in Suiyang County,the level of land intensive use was evaluated by constructing evaluation system of county land intensive use and the way of quantitative methods of evaluation.It was concluded that:(1) Suiyang County has a relatively low level of county land intensive use,the efficiency of land use and land investment level which restricts rural land intensive use level are important factors;(2)intensive level of county land-use is significantly different,decreasing from the east to the west;(3)intensive level of Suiyang County land-use is mainly affected by the economic development level and topography,and the two has consistency.