中国陆地植被生态系统生产有机物质价值遥感估算  

Valuation of the organic matter produced by terrestrial vegetation ecosystems in China in 1995 based on remote sensing

作　　者：王艳艳[1] 杨明川[1] 潘耀忠[1] 朱文泉[1] 龙中华[1] 刘旭拢[1] 顾晓鹤[1] 

机构地区：[1]北京师范大学资源学院//环境演变与自然灾害教育部重点实验室,北京100875

出　　处：《生态环境》2005年第4期455-459,共5页Ecology and Environmnet

基　　金：国家自然科学基金项目(40371001);科学技术部高新技术重点规划项目(2002AA133060)

摘　　要：可持续发展的战略要求推进生态资产研究,对生态系统生产有机物质功能价值的估算则是生态资产评估的重要组成部分。利用改进的CASA模型对中国陆地生态系统1995年NPP进行了估算,它与实测数据和国内其他研究成果的比较验证证明了该方法的可靠性;进而对1995年全国陆地生态系统生产有机物质的价值进行了估算,结果表明,1995年中国陆地生态系统净第一性生产力生产有机物质的总价值为1.902049×1012元.a-1,其空间分布是从东部向西北递减、由中部向东北和南部递增;从类型上看,常绿阔叶林的单位面积值最高,裸地和极稀疏植被的单位面积值最低。The “Strategy of sustainable development” induces the requirements of the research about eco-assets, in which the value of the organic matter produced by ecosystem plays a very important role, This paper uses an improved CASA model to estimate the NPP produced by China＇s terrestrial ecosystem in 1995, and comparing with the field survey data and outputs of other researches we can conclude that the approach we use is reliable, We then continue to value the organic matter produced by China＇s terrestrial ecosystem in 1995 and get a result of 1.902×10^12RMB·a^-1 as a whole, In the map of China, the values decline from the East to the Northwest and increase from the Center to the Northeast and the South, The average value of the deciduous broadleaved forest is the highest of all, while that of the bare land and sparse vegetation is the lowest.

关 键 词：生态系统 净第一性生产力 遥感 价值估算 

分 类 号：X171.1[环境科学与工程—环境科学]