To study how to reduce excessive external interference in ecosystems and enhance the ability of ecosystems to absorb such interference,this research carried out a comprehensive survey and statistical analysis of plant resources in Deqing County.The results revealed that there are a total of 886 species of wild vascular plant resources in Deqing County,belonging to 151 families and 465 genera,including one species of one genus in one gymnosperm family,826 species of 431 genera in 132 angiosperm families,and 59 species of 33 genera in 18 fern families.In the composition of families,there were 28 domi-nant families,accounting for 59.26%of the total species.Among 133 wild seed plants,there are 7 types and 11 variant families in the distribution pattern,with the pan tropical distribution pattern being the main type,accounting for 33.83%.There are 13 types and 12 forms of genus distribution,with the pantropical type accounting for 28.94%.The research results lay the foun-dation for understanding wild vascular plant resources and the composition of seed flora in Deqing County of Guangdong Province.
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