摘要
基于长春市中心城区2001,2007,2011,2016年4期土地利用遥感影像数据,分析了长春市土地利用时空演变特征,并通过单位面积价值当量因子的生态系统服务价值化改进方法,估算了研究区的生态系统服务价值.结果表明:长春市中心城区的土地利用变化有较明显的空间分异,土地利用模式由以草地为主向以建设用地为主转变;生态系统服务价值总量不断下降,其中草地贡献率最高,其次为水体;生态系统服务以水文调节的价值最高.
Based on the land use data of Changchun downtown area in 2001,2007,2011 and 2016 obtained from remote sensing images,this paper analyzed the spatial and temporal evolution characteristics of land use,and estimated the value of ecosystem services in the study area based on the value equivalent factor of unit area. The results show that there are obvious spatial differences in land use change in the central urban area of Changchun City, and the land use pattern has changed from grassland-based to construction-based. The total value of ecosystem services has been declining, with grassland contributing the most,followed by water body;and the value of hydrological regulation is the highest in ecosystem services.
作者
逯惠艳
周双双
郑晓东
王士君
LU Hui-yan;ZHOU Shuang-shuang;ZHENG Xiao-dong;WANG Shi-jun
出处
《东北师大学报（自然科学版）》
CAS
北大核心
2019年第3期122-127,共6页
Journal of Northeast Normal University(Natural Science Edition)
基金
国家自然科学基金资助项目(41630749,41471142)
关键词
土地利用
生态系统服务价值
时空变化
长春市
land use
value of ecosystem services
temporal-spatial changes
Changchun
