关键词: 耕地资源, 信息系统, 综合应用, 象山县

Abstract: Based on the GIS technology， the soil map， current land use map and administrative map were overlapped to define the 985 assessing units of the county. Fifteen assessing factors were chosen in view of the actual situation of the county and land fertility assessing factors of Zhejiang Province， and the analytical hierarchy process was employed to define the weights and membership of each factor， then the land was classified into three grades and six levels according to the integrated fertility index. The results showed that the existing land covered an area of 20742 hm2. The first grade land all belonged to the second level， and the area was 458 hm2， 221% of the total area; the area of the third level was 13 3373 hm2， 6430% of the total area; the area of the fourth level was 6 7126 hm2， 3236% of the total area， and the area of the fifth level was 2341 hm2， 113% of the total area.

Key words: land resource, information system, integrated use, Xiangshan County