Abstract: Based on the basic composition of Pteridophyte in Tongledashan Nature Reserve, the ecological characteristics and ecological distribution of Pteridophyte were studied systematically in present paper.The research shows that the ecological distribution of Pteridophyte in the area has the following characteristics:(1) Ancient Pteridophyte are widely distributed;(2) The vertical distribution of Pteridophyte is relatively obvious;(3) Pteridophyte has significant advantage in understory vegetation;(4) There are a few national key protected Pteridophyte;(5) The sensitive of Pteridophyte has strong indication.

Key words: Pteridophyte, ecological distribution, Tongledashan Nature Reserve

摘要： 在掌握蕨类植物基本组成的基础上,对广东同乐大山自然保护区蕨类植物的生态特性及生态分布进行详细分析,结果表明该区蕨类植物生态分布具有以下特征:(1)古老蕨类植物分布广泛;(2)蕨类植物垂直分布较明显;(3)林下植被中蕨类植物优势显著;(4)国家重点保护蕨类植物分布多;(5)蕨类植物敏感指示性强。

关键词: 蕨类植物, 生态分布, 同乐大山自然保护区