广州帽峰山次生林主要种群种间联结性研究  

Studies on the interspecific association of dominant populations of the secondary forest community in Maofengshan,Guangzhou

作　　者：林伟强[1] 刘惠明[1] 张璐[1] 

机构地区：[1]华南农业大学林学院,广州510642

出　　处：《生态科学》2004年第1期42-46,共5页Ecological Science

基　　金：华南农业大学校长基金(2100-K03174)

摘　　要：运用方差比率法(VR)、x^2统计量、2×2联列表和共同出现百分率对帽峰山次生林群落10000m^2典型样地乔木层15个主要种群和灌木层9个主要种群进行种间联结的测定与分析,指出乔木层15个种群总体呈不显著的负联结,主要种群黄樟、三叉苦、鸭脚木和亮叶猴耳环只与极少数种群形成显著联结,与大部分种群联结关系较弱。灌木层9个种群整体为显著负联结,但主要种群三叉苦与九节、七裂叶悬钩子和假鹰爪呈显著正联结,鸭脚木与九节呈显著正联结,亮叶猴耳环与灌木层其它种群不存在显著联结关系。本文比较了多物种间总体关联性指标和3个成对物种间联结性测定指标的优缺点,并探讨了帽峰山生态公益林示范区次生林经营管理和可持续发展的基本途径。Interspecific association among 15 populations of arborous layer and 9 shrub layer of the secondary forest community was analyzed by the method of variance ratio(VR), means of Chi-square test, the 2×2 contingency table analyses and percentage co-occutring in Maofengshan. In general, 15 populations of arborous layer showed insignificant negative association in the 10 000 m^2 plot. The main populations (Cinnamomum porrectum. Euodia lepta, Schefflera heptaphylla and Pithecellobium lucidum) had weak associations with most of the other populations and significant associations with quiet few populations. 9 populations of shrub layer showed negative association totality However the relationship among Euodia lepta. Psychotria rubus, Rubus septemlobus and Desmos chinensis was significantly positive. The relationship between Schefflera heptaphylla and Psychotria rubus was significantly positive too, but Pithecellobium lucidum and other populations were not significantly associated. This paper also compared the advantage and disadvantage between the general index of multi-interspecies association and 3 indexes of pair-interspecies association and discussed the basic methods for the management and sustainable development of secondary forest in the ecological forest demonstration area in Maofengshan.

关 键 词：广州市 帽峰山 次生林 种群 种间联结性 生态 

分 类 号：S718.54[农业科学—林学]