Diversity Characteristics of Herbaceous Plants Under Walnut Forests in Yangbi County
In order to reveal the abundance of herbaceous plants under walnut forests in western Yunnan,the diversity characteristics of herbaceous plants under walnut forests were investigated and analyzed in Yangbi County.(1)115 species of herbaceous plants under walnut forests in Yangbi were found,which belonged to 36 families and 104 genera.The herbaceous plants are mainly Compositae,Labiatae and Gramineae,with the number of species reaching 41,accounting for 35.7％of the total species.(2)Single genus family is an important component of herbaceous plant diversity in this region,it accounts for 41.7％of the total number of families.(3)The species with high occurrence frequency and important value involve 9 families and 16 species,mainly Compositae,Labiatae and Liao family.(4)The correlation between the diversity index of herbaceous plants under walnut forests and altitude is not high,and there are significantly positive correlations between the species richness index(R)and Shannon-Wiener index(H),Shannon-Wiener index(H)and Simpson index(D),and Simpson index(D)and Pielou index(J).
herbaceous plantsplant diversitywalnut forestdiversity indexYangbi County
NETL
NSTL
万方数据
