桂花林场南酸枣全林分直径生长模型的研究  

Study on whole stand diameter growth model of Choerospondias axillaris forest for Guihua Forest Farm

作　　者：孟伟[1] 陈彩虹[1] 胡焕香[1] 李俊 张敏[1] 吴疆[1] 

机构地区：[1]中南林业科技大学,湖南长沙410004 [2]广东省林业调查规划院,广东广州510520

出　　处：《中南林业科技大学学报》2013年第5期26-29,共4页Journal of Central South University of Forestry & Technology

基　　金：国家林业局行业公益性项目(201004032);湖南省"十二五"重点学科-森林经理学科(034-0014)

摘　　要：为了给湖北省国营桂花林场南酸枣林分的结构调整和经营管理提供科学、合理的参考依据,利用SPSS中的逐步回归法对湖北省国营桂花林场南酸枣的全林分直径生长过程进行了分析与探讨,结果表明:不论是混交林还是纯林,以林分平均年龄和形状参数为自变量建立的直径生长模型来拟合南酸枣的全林分直径生长过程效果都比较理想,显著性水平均为0.00,检验结果极显著;在林分的整个生长过程中,林分平均年龄整体上表现为正贡献分别为1.26和0.25,但贡献能力有限,形状参数则整体上表现为负贡献分别为-34.74和-19.97,而且贡献能力较强。In order to provide scientific and reasonable reference for structural adjustment,operation and management of Choerospondias axillaris forest for Guihua Forest Farm in Hubei province,the stepwise regression method of SPSS was used to analyze and discuss the stand diameter growth process of C.axillaris forest.The results show that whether mixed forest or pure stand,the diameter growth model with the stand average age and shape parameters as independent variables was ideal comparatively to fit the stand diameter growth process of C.axillaris forest,both the significance levels are 0.00 and highly significantly test results.During the whole stand growing process,the stand average age performed as a positive contribution but to be a limited contribution,which are 1.26 and 0.25,while the shape parameters performed as a negative contribution but to be more contribution,which are-34.74 and-19.97.

关 键 词：生长模型 形状参数 逐步回归法 湖北崇阳 

分 类 号：S758.1[农业科学—森林经理学]