On Changes of Regional Land Use and Ecosystem Services Value——A Case Study of Zhanjiang City. Guangdong Province
区域土地利用与生态系统服务价值变化研究——以广东省湛江市为例

This paper analyzed the spatial-temporal changes of ecosystem services value(ESV) based on the data of land use from 1996 to 2004 in Zhanjiang City.The results showed:(1) the areas of cultivated land,forest land and grass land decreased,while those of garden land,residential area,industrial and mineral land,traffic land and unutilized land increased;the area of cultivated land decreased most by 11954.1 hm2,and the area of residential area,industrial and mineral land increased most by 7696.4 hm2.(2) the total ESV decreased by $0.5716 billion,and the rate of change was-0.44%;the value of single ecosystem services function(ESVf) of gas regulation,climate regulation,soil formation,bio-diversity conservation,food production and raw materials decreased,while those of water conservation,waste treatment and recreation increased;not only the whole function but also each function of ecosystem services weakened in all the districts of Zhanjiang City.