安溪云中山南岭栲径级结构与种间关联性研究  

Relationship Between Diameter Structure and Interspecies of Castanopsis fordii at Yunzhong Mountain in Anxi

作　　者：吴联杯 施晓春[1] 邹丽娜[2] 刘丹萍[1] 李剑飞 郑德祥[1] Wu Lianbei;Shi Xiaochun;Zou Lina;Liu Danping;Li Jianfei;Zheng Dexiang(College of Forestry,Fujian Agriculture and Forestiy Lniversitv,Fuzhou Fujian 350002,China;Forestiy Bureau of Anxi County,Quanzhou Fujian 362400,China)

机构地区：[1]福建农林大学林学院,福建福州350002 [2]安溪县林业局,福建泉州362400

出　　处：《西南林业大学学报（自然科学）》2018年第5期116-123,共8页Journal of Southwest Forestry University：Natural Sciences

基　　金：福建农林大学科技创新专项(KHF170002)资助

摘　　要：通过对安溪云中山南岭栲生长情况的调查,分析了林分径级结构,运用χ2值检验和关联度指数对南岭栲种群种间关联性进行研究,预测了种群的动态变化趋势。结果表明:南岭栲种群整体径级株数分布呈近似倒"J"型,其林下幼树幼苗的地径级分布亦呈倒"J"型,而高度级分布则呈明显的非对称性山状曲线,幼树幼苗更新呈增长型结构。种群种间关联性的χ2值检验则表明绝大多数树种种间关联性不显著,总体趋于随机性。研究区的南岭栲种群种间总体竞争不激烈,群落处于发展不稳定演替阶段,易受外界因素干扰而变化。Based on the investigation about Castanopsis fordii of Yunzhong Mountain in Anxi,analyzed the diameter structure of stands,and researched the interspecies relationship with^2 test and relevancy degree.The results show that:The distribution about diameter class of C.fordii population is approximately'J'-type distribution,and the distribution of ground diameter of seedling is also inverted'J,type,while the height distribution is obvious asymmetric mountain curve,the renewal of seedlings and saplings show a growth-type structure.The X2 test of interspecies association show that the most part of the association is non-significant,and the overall trend is random.The overall competition about the population of C.fordii in study areas is not intense,and the community is in the stage of unstable development,which is easily disturbed by external factors.

关 键 词：云中山 南岭栲 径级结构 种间关联性 

分 类 号：S757[农业科学—森林经理学]