嘉陵江河岸带维管植物区系的初步研究

Floristic analysis of vascular plants in riparian zone of Jialing River

通过对嘉陵江河岸带维管植物区系的调查研究,结果表明:(1)河岸带共有维管植物77科201属328种,其中蕨类植物9科12属21种,裸子植物1科1属1种,被子植物67科188属306种;(2)生活型组成主要以草本和灌木为主;(3)科、属、种的分布区类型多样,科共7个分布区类型和5个变型;属共14个分布区类型和17个变型,种共15个分布区类型和17个变型;(4)科、属的优势现象比较明显;(5)河岸带区系呈现温带性质.

Based on plot research along the riparian zone of Jialing River,analysis and statistics on all vascular plants are as follows：（1）These plants included 9 families,12genera,21 species of the pteridophyta;1 family,1 genera,1 species of gymnosperm;67 families,188 genera,306 species of angiosperm;（2）The flora is mainly composed of annual herb species,biennial or perennial herb species and shrub species;（3）In the riparian zone statistics of vascular plants showed that the area types of family,genera and species are abundant.For family types there are 7 types and 5 subtypes;for genera types,there are 14 types and 17subtypes,and for species types,there are 15 types and 17 subtypes;（4）In the riparian zone the phenomena of dominant families and genera is obvious;（5）The riparian flora showed temperate in nature.