中文摘要：

以福建沿海各个县（市、区）为研究单元，采用数学方法对研究区各单元土地利用程度指数进行数据统计分析，定量表征研究区的土地利用程度并分析其变化影响因子．结果表明，福建沿海地区土地利用程度综合指数存在明显的时空差异，2005-2010年土地利用程度综合指数变化较为显著，土地利用程度增长1．66％，土地利用程度综合指数高的单元集中分布在福建沿海中段区域，指数较低的单元零散的分布在北段与南段区域．Ⅲ级地类（耕地、园地等）和Ⅳ级地类（城镇居民用地等）利用程度指数为土地利用程度综合指数提供正能量，而Ⅱ级地类（林地、草地等）利用程度指数为其提供负能量．相关分析表明人口密度增加与城镇化进程加速是影响该区土地利用动态变化与土地利用程度综合指数的决定性因素．

英文摘要：

Taking coastal counties （cities, districts） in Fujian province as research unites, using mathematical methods to statistically analyze the degree of land use index for each study unit, and quantitatively analyzing the degree of land use for study units and their changing factors, the results indicated that there was a significant spatial and temporal difference of the degree of the land use index at coastal units in Fujian province. The degree of land use was more significant between 2005 and 2010, increasing by 1.66 %. The higher degrees of land use concentrate on the middle area in Fujian province; the lower ones are dispersedly distributed in northern and southern section. The degrees of land use in Grade III and Grade IV provide positive results of overall land use index while the one in Grade II has overall negative result in land use index. The analysis shows that the increase in population density and the accelerating urbanization process are decisive factors of affecting the dynamic changes of land use and the degree of land use index in this region.