Effects of Human-induced Disturbances on Plant Diversity in Urban Suburbs—a Case Study of Huaxi Area in Guiyang,Guizhou Province

doi:10.13466/j.cnki.lyzygl.2017.03.015

Abstract

Abstract:

Characteristics of plant diversity of urban suburbs where such disturbances by human activities take place as farmland interference,road interference,engineering waste interference and fire interference were studied.The results showed that the species richness index and species diversity index of abandoned farmland were the highest,the second were road interference and fire interference types and the engineering waste interference was the lowest.Evenness index of engineering waste interference was the lowest and the three other types were not different obviously.The similarity indexes of abandoned farmland interference types and burned area interference type were the highest,but the similarity indexes of abandoned land and engineering waste interference land were the lowest.Correlation analysis with soil moisture content showed that soil moisture was positively correlated with richness index and evenness index,but not significantly correlated with diversity index and ecological dominance index.

Key words: human interference, plant diversity, soil moisture, Guiyang

CLC Number:

S718.54

WU Ting, LONG Cuiling. Effects of Human-induced Disturbances on Plant Diversity in Urban Suburbs—a Case Study of Huaxi Area in Guiyang,Guizhou Province[J]. FOREST RESOURCES WANAGEMENT, 2017, (3): 75-79.

Figures/Tables 3

References 14

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干扰类型	弃耕地干扰	火烧迹地干扰	砂石堆放地干扰	道路干扰
弃耕地干扰	1	0.4112	0.0940	0.3333
火烧迹地干扰		1	0.1354	0.3855
砂石堆放地干扰			1	0.1750
道路干扰				1

多样性指数与土壤水分	火烧迹地干扰	道路干扰	弃耕地干扰	砂石堆放地干扰	均值	相关性系数	显著性
丰富度指数	4.9665	5.1833	6.6976	4.1138	5.2043	0.198	0.802
多样性指数	4.6562	4.5729	5.2633	4.9401	4.8581	-0.671	0.329
生态优势度指数	0.7731	0.7565	0.7687	0.9529	0.8128	-0.845	0.155
均匀度指数	0.0598	0.0722	0.0525	0.0682	0.0631	0.044	0.956
土壤水分	0.2450	0.2410	0.2033	0.1716	0.2152	—	—

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