Abstract
Park green space is an important part of garden green space, concentrated expression of the diversity of urban plants. In order to explore the diversity of plants in the park, a typical site in Zhongshan Park in Wuhan was selected for this survey. The species importance, richness index, diversity index and evenness index were used to analyze the characteristics of plant diversity.There are a total of 184 plants of 114 genera and 64 families in Wuhan Zhongshan Park. Among them, there are 86 species of plants of 40 families and 64 genera, 60 species of plants of 26 families and 38 genera, and 26 species of herbs, 11 families and 15 genera.The richness was herb layer > tree layer > shrub layer.Pielou uniformity was herb layer > tree layer > shrub layer;Shannon-wiener diversity was herb layer > tree layer > shrub layer.Simpson diversity was herb layer > tree layer > shrub layer.The diversity of herbaceous plants in the park is high, and the index of shrub layer is generally low, with few species. Plants in the park grow well, some plants are not evenly distributed.
Highlights
Park green space is an important part of garden green space, concentrated expression of the diversity of urban plants
Plant diversity is the basis of urban ecosystem, and the protection of plant diversity is the key point of urban biodiversity protection, and plant diversity is an important index for the evaluation of China's national ecological garden cities[1].The improvement of the stability and healthy development of urban ecosystem functions are often closely related to urban plant diversity[2].with the gradual improvement of urbanization level and the rapid increase of population, ecological problems, especially the plant diversity under the influence of urbanization, have become a hot issue for people to study[3].As an important part of urban green space system, park green space has large patch area, rich species, complex plant community structure and good landscaping effect, which are the main manifestations of urban plant diversity[4]
The diversity of Zhongshan Park in Wuhan was investigated, and representative typical places were selected in the park
Summary
Park green space is an important part of garden green space, concentrated expression of the diversity of urban plants. The species importance, richness index, diversity index and evenness index were used to analyze the characteristics of plant diversity.There are a total of 184 plants of 114 genera and 64 families in Wuhan Zhongshan Park. Plant diversity is the basis of urban ecosystem, and the protection of plant diversity is the key point of urban biodiversity protection, and plant diversity is an important index for the evaluation of China's national ecological garden cities[1].The improvement of the stability and healthy development of urban ecosystem functions are often closely related to urban plant diversity[2].with the gradual improvement of urbanization level and the rapid increase of population, ecological problems, especially the plant diversity under the influence of urbanization, have become a hot issue for people to study[3].As an important part of urban green space system, park green space has large patch area, rich species, complex plant community structure and good landscaping effect, which are the main manifestations of urban plant diversity[4]. This paper analyzes the plant diversity and discusses its garden plant configuration characteristics, and puts forward corresponding suggestions for the diversity protection and green space construction of the park as well as the effective protection and sustainable utilization of plant landscape resources
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