麻城市河滩地意杨早期生长模型及经济效益研究  

Study on Early Growth Model and Economic Benefit of Populus SP. in Flood Land of Macheng City

作　　者：史芬 戴薛[2] 熊家娥 

机构地区：[1]湖北省麻城市林业局,麻城438300 [2]湖北生态工程职业技术学院,武汉430200 [3]湖北省十堰市园林花卉研究所,十堰442000

出　　处：《湖北林业科技》2009年第6期9-10,共2页Hubei Forestry Science and Technology

摘　　要：采用SPSS软件对麻城市河滩地意杨林早期生长数据进行曲线拟合,选定Quadratic曲线作为胸径与年龄的生长模型,Logistic曲线作为树高与年龄的生长模型,并分析了意杨林8年主伐期时的净收益。Using the software of SPSS to imitate the growth data of Poplar,which was selected in Flood land of Macheng city,we choose the Quadratic curve as the growth model of DBH and tree age,logistic curve as the growh model of tree height and tree age, then calculate net earnings of Populus SP. for 8 years at the time of felling period.

关 键 词：意杨 生长模型 经济效益 

分 类 号：S791.248[农业科学—林木遗传育种] S156.91[农业科学—林学]