福州市土地利用变化及其驱动力分析

从土地利用数量变化、土地利用程度变化两个方面,对福州市(1996～2004)土地利用变化情况进行了分析,并运用主成分分析法来确定影响福州市土地利用变化的主要驱动因子。研究结果表明:研究段内福州市的居民地及工矿用地、交通建设用地增幅最大,而耕地面积、未利用土地面积减幅最大,建设用地的增加主要来自耕地面积的转化;随着社会经济水平的提高,土地利用程度不断加深;人口增长、工业化和城镇化、经济的发展、土地利用宏观政策的变化是影响福州市土地利用变化的主要驱动力。

Study on land use and its driving forces in Fuzhou City

This paper analyzed land use changing situation of Fuzhou from the change of land use quantity and degree, and used principal component method to confirm the land use influencing factors of Fuzhou. The study result showed: resident land, land use for industry and mine, and traffic construction land had the greatest increasing degree, while cultivated area, useless land area reduced most sharply, the increase of construction land was mainly from the transformation of the cultivated area; the area of forest land slightly rose, and ecological environment constructions of Fuzhou made better results; with the improvement of the social economic level, the output value of the unit land improved, the land use degree intensified; the change of population increasing, urbanization, economy development, land use policy was the main force of influencing the change of Fuzhou land use.