望谟县桑郎河谷南亚热带沟谷季雨林苹婆群落研究

Studies on the Community of Sterculia monosperma in South Subtropical Monsoon Forest in Sanglang River Valley,Wangmo County

以贵州省望谟县桑郎河沟谷季雨林的苹婆群落为研究对象,分析了群落的物种组成、外貌、结构、属的区系特征。结果表明,苹婆群落中共有39科57属63种植物;外貌主要由草质、单叶、中型叶和全缘叶为主的常绿高位芽植物景观所决定,结构分为乔木层、灌木层、草本层和层间植物层,种子植物中热带分布的属占92.59%,有沟谷季雨林景观的明显特征,属于半常绿沟谷季雨林。

Community of Sterculia monosperma in south subtropical monsoon forest in Sanglang River Valley,Wangmo County was studied,focusing on the aspects of species composition,community appearance,structure,and the floral characteristics at genus level.The results showed that there were 63 species belonging to 57genus in 39 families in the community;the appearances of the community was determined mainly by the evergreen phanerophytes with sample,mesophyllous,and entire leaves;there were four distinct layers,namely tree layer,shrub layer,herb layer,and herbaceous layer;the tropical genera in the community accounted for 92.59% of the total,with an apparent features of valley monsoon forest landscape,classified as a semi-evergreen valley monsoon forest.