Investigation and analysis of plant communities in Hefei Binhu National Forest Park
In order to analyze the plant community diversity in Hefei Binhu National Forest Park,the plant community composition,species diversity,importance value and community vertical structure were investigated by using the quadrat survey method.The results showed that there were 107 species of plants in the study area,including 48 herbaceous plants and 59 woody plants.Shannon-Wiener index,Simpson index and Pielou index were 1.056,0.464 and 0.668,respectively,which were lower than that of garden land.The index values of poplar forest area were normally distributed,and the index values of garden land biodiversity were different due to different plant allocation patterns.In the poplar regeneration layer,the importance value of conformation tree was the highest,it was 1.074,and the dominant species were Broussonetia papyrifera,Morus alba and Ligustrum lucidum.The vertical structure of the community was stratified,the upper layer of trees was simple,the regeneration layer of trees was low,and shrubs and vines were scarce.It is suggested to use native plant community to gradually replace poplar forest,and build ecological plant community according to the order of group species,dominant species,associated species,shrubs and herbs.The results can provide references for plant community survey and the landscape construction of similar area.
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