区域土地利用变化及其生态服务价值响应——以湖北省荆州市为例

A CASE STUDY ON JINGZHOU CITY: REGIONAL LAND UTILIZATION CHANGE AND ITS ECOLOGICAL SERVICE VALUE

本文以1998—2004年荆州市土地利用详细变更调查数据为基础,采用土地利用动态度模型、土地利用综合指数模型对其土地利用变化作了定量分析,并研究了该地区土地利用变化所引起的生态系统服务经济价值的变化。结果表明,荆州市土地利用结构变化显著,土地利用程度变化逐年提高,而生态系统服务经济价值却随着经济的发展逐渐下降。因此,今后荆州市的发展一定要提高土地利用效率,注重生态环境质量,从而实现土地资源利用的可持续发展。

This paper, according to land utilization change survey during 1998 to 2004, applies land utilization dynamic model and land utilization comprehensive index model analyzes quantitatively the land utilization change, and studies the induced ecological service value with the results indicating an outstanding change in land utilization structure, which means an increasing land utilization extent followed by a decreasing ecological service value. This paper suggests that a sustainable development of land utilization in Jingzhou shall he based on high land utilization efficiency and a good ecological environment.