贵州桫椤群落的初步研究

桫椤(Alsophila spinulosa)是国家一级保护植物,在贵州分布较多,局部地段形成以桫椤为主的植物群落。本文就贵州赤水县金沙沟桫椤群落的区系组成、群落外貌、结构等特征进行了初步研究。通过分析表明赤水桫椤群落是保存完好、结构典型、类型多样的珍贵群落,应注意很好保护。

A PRELIMINARY STUDY ON THE ALSOPHILA SPINULOSA COMM. IN GUIZHOU PROVINCE

The Alsophila spinulosa is a protected plant of the first class in China. The Alsophila spinulosa community in the Chishui County of Guizhou Province develops perfectly under a special ecotope. The species growing in the community are quite abundant. The geographical elements, dominated by tropical-subtropical ones, are complex. With certain features of lower-subtropical rain forests the community possesses the appearance and structure of subtropical evergreen forests.vAnalysis shows that the Alsophila spinulosa communities in the preserve is a well-preserved and precious community with various typical structures types. It should be well protected.