辽西北半干旱地区森林的植被多样性及生态系统多样性服务经济价值分析
Analysis of Vegetation Diversity and Ecosystem Diversity Service Economic Value of Forests in Semi-arid Area of Northwest Liaoning Province
[目的]探究半干旱气候区不同植被恢复类型的植被多样性及生态系统多样性服务经济价值差异,并分析其驱动因素。[方法]对半干旱气候区四种典型的植被恢复类型(灌木林、针阔混交林、杨树-榆树混交林、杨树林)进行样地调查,记录物种、胸径、树高、冠幅、水平结构、郁闭度、密度等信息,同时在样地中采集土壤样品,分析土壤三个深度(20cm、40cm、60cm)的含水量、容重及孔隙度。主林层和林下灌木层的多样性指标包括Simpson指数、Shannon-wiener指…查看全部>>
[Objective]To explore the differences of vegetation diversity and ecosystem diversity service economic value among different vegetation restoration types in semi-arid climate region,and analyze their driving factors.[Method]Four typical vegetation restoration types(shrub forest,coniferous and broad-leaved mixed forest,poplar-elm mixed forest and Yang Shulin)in semi-arid climate area were investigated,and information such as species,DBH,tree height,crown widt…查看全部>>
周一鸣;刘平;李欣烨;
vegetation restoration type Diversity Economic value of diversified services soil
300-300 / 1
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