巢湖流域土地利用/覆盖变化态势及生态系统服务价值时空变化研究  

Assessment on Time-Space Change about Ecosystem Service Value of Land Use and Cover Change in Chaohu Watershed

作　　者：张倩倩[1] 季宏伟[2] 陈健[1] 刘云慧[3] 

机构地区：[1]浙江农林大学浙江省森林生态系统碳循环与固碳减排重点实验室,浙江临安311300 [2]中国土地勘测规划院,北京100035 [3]中国农业大学资源与环境学院,北京100094

出　　处：《生态经济（学术版）》2013年第1期363-370,共8页Ecological Economy

基　　金：国家科技支撑计划(2007BAD87B01-1A);浙江农林大学科研启动基金(2351000758)

摘　　要：以巢湖流域为研究案例区,利用1991～2001年的土地利用详查和变更调查数据为主要数据源,分析了巢湖流域土地利用/覆盖变化的数量和流向特征以及引起的生态系统服务价值动态特征。结果显示:巢湖流域近10年来土地利用整体特征并未发生重大改变,以耕地和水域为主,耕地面积减少最多,建设用地占用是巢湖流域耕地减少的主要原因。流域利用与土地覆盖类型在流向转移过程中,主要集中在耕地与其他地类的相互转化上。巢湖流域生态系统服务价值以2002年为界,大体分为两个阶段,水域和林地生态系统服务价值在变化过程中起决定性作用。除了巢湖市以外,其他地市生态系统总服务价值与该地市面积之间成统一关系。肥东县和无为县的生态系统服务价值变化最大,巢湖市2001年之前变化不明显。In this study,Chaohu watershed was selected as a typical research area.Based on the detail and credible database covering from 1991 to 2001 in Chaohu watershed,the basic characteristics of quantity and flow direction of land use was explored as well as dynamic change about ecosystem service value.Results show that the overall characteristics of Chaohu watershed have changed slightly in the recent decade.Cultivated land and water bodies are the main types of land use,about 112 318 km 2 cultivated land converted to other land-use types,which is much larger than that of others.The change of flow direction of LUCC in Chaohu watershed focus on the mutual-transformation between cultivated land and other land-use types.The value of ecosystem services in Chaohu watershed is divided into two periods with 2002,among which,water area and forest land played a determining role in the transition.The overall value of ecosystem services and the acreage of the corresponding are in the unity relations except that of Chaohu City.The greatest variation takes place in Feidong County and Wuwei County,while the change in Chaohu City is less noticeable before 2001.

关 键 词：土地利用/覆被变化 巢湖流域 动态变化 生态系统服务价值 

分 类 号：X2[环境科学与工程—环境科学] F301[经济管理—产业经济]