青城山森林植被常见种群种间联结性的研究  

Interspecific Association Between the Common Population in Forests on Qingcheng Mountain

作　　者：马丹炜[1] 王跃华[2] 王道模[3] 张果[4] 陈放[5] 

机构地区：[1]四川师范大学生命科学学院,成都610066 [2]成都大学生物工程系,成都610106 [3]四川农业大学都江堰分校信息工程系,都江堰611830 [4]四川师范大学资源与环境学院,成都610066 [5]四川大学生命科学学院,成都610064

出　　处：《四川大学学报（自然科学版）》2004年第1期169-173,共5页Journal of Sichuan University(Natural Science Edition)

基　　金：四川省教育厅青年基金资助项目(1999)

摘　　要：采用2×2列联表,通过χ2 检验、AC值和Jaccard指数分别对青城山风景区森林植被乔木层11个常见种群和灌木层8个常见种群的种间联结进行定量分析,结果表明:W 检验说明青城山风景区森林乔木层常见种群与灌木层常见种群的总体种间关联性均呈显著正相关;绝大多数种对是正联结,少部分种对是负联结,联结关系大多未达到显著水平,种对间的独立性相对较强,种间联结具明显的松散性.Base on the 2×2 contingency table ,by means of different indices,the interspecific associations among 11common species of tree layer and 8 common species of shrub layer in the forest communities on Qingcheng mountain were investigated. The results indicated that there was remarkable positive correlation among the common populations from an overall point of view. The W-test indicated this correlation was significant. The most pairs of the populations in the forest communities on Qingcheng mountain showed positive correlation, the χ~2-test indicated there was almost no significance in the interspecific associations. The independence of species pairs of in common populations was significant.

关 键 词：青城山 森林植被 常见种群 种间联结 

分 类 号：Q948[生物学—植物学]