环鄱阳湖地区土地利用与生态系统服务价值分析

Analysis on land use change and ecological services value in Poyang Lake ring

生态系统服务价值是生态经济研究的热点问题。通过对环鄱阳湖地区1996年、2000年、2005年土地利用变化的分析,探讨了该区域内生态系统的服务功能价值的变化。结果表明:该地区生态系统服务价值呈增加趋势,2000～2005年的增加量为1996～2000年间增加量的6.6倍;间接服务价值大于直接服务价值;其单位面积生态系统服务价值2005年为11 359元/hm2,高于全国平均水平。

The study of ecosystem services and their valuation is a hot-pot issue in ecology. According to the land use changes data of Poyang Lake ring in 1996,2000 and 2005,reveal the changes of the ecosystem service in this area in recent years. The results proved that the economic value of the service function in this area become increasing tendency and The increasing of the economic value of the service function from 2000-2005 to 1996-2000 is 6.6 times, the indirect service value is more than the direct services value. Its per unit area value of ecosystem services in 2005 was 11 359 yuan/hm^2, higher than the national average.