福建省龙岩市东肖森林公园蕨类植物调查研究

The Investigation on Pteddophytes in Dongxiao Forest Park,Longyan City,Fujian Province

通过对龙岩市东肖森林公园蕨类植物大量的野外调查和资料整理基础上,统计及分析其蕨类植物的区系组成和应用价值,结果表明:(1)龙岩市东肖森林公园内共有蕨类植物31科47属95种,种类比较丰富;(2)寡种科和单种科两者共占区系总科、属、种的77.42%、63.83%、44.2%,寡种属和单种属两者共占区系总属数的89.36%,表明该森林公园蕨类植物呈现出区系的多样性和复杂多样的生境条件,且分化水平不高;(3)在科、属级所占比例来分析,除世界分布型外,以泛热带分布型最为丰富,而种的分布以热带亚洲和东亚分布型为主,热带特征较为显著,并具有一定的温带成分;(4)按照蕨类植物不同的应用价值,可划分为药用型蕨类、观赏型蕨类、食用蕨型蕨类和其他用途蕨类,其中药用蕨类植物有31科47属86种,观赏型蕨类植物有27科38属69种,食用的蕨类植物有14科15属16种。

On the basis of a large number of field investigations and data sorting of ferns in Dongxiao Forest Park,Longyan City,the floristic composition and application value of ferns are counted and analyzed.The results show that:(1)Dongxiao Forest Park,Longyan City.There are a total of 95 species of ferns in 31 families,47 genera,and a relatively rich variety;(2)Oligospecies and monospecies together accounted for 77.42%,63.83%and 44.21%of the total families,genera and species of the floristic family,and both oligospecies and monospecies accounted for 89.36%of the total number of floristic genera.The ferns in the forest park present a diversity of flora and complex and diverse habitat conditions,and the level of differentiation is not high;(3)In terms of the proportion of family and genus level,in addition to the world distribution type,the pantropical distribution type is the most abundant,while the distribution of species is dominated by the tropical Asia and East Asia distribution type,with more prominent tropical characteristics and certain of temperate components;(4)According to different application values of ferns,they can be divided into medicinal ferns,ornamental ferns,edible ferns and other ferns.Among them,medicinal ferns have 86 species in 31 families,47 ferns,edible ferns and other ferns.Among them,ornamental ferns have absolute advantages in this forest park.