Forest and Grassland Resources Research >
Study on the Diversity and Stability of Plant Communities in Baili hododendron Scenic Area in Guizhou Province
Received date: 2019-12-31
Revised date: 2020-04-25
Online published: 2020-06-15
Baili Rhododendron is the largest known natural Rhododendron forest in the middle and low altitude regions of the same latitude in the world.In order to study the species diversity and community stability of the main plant communities,four main communities were selected:Form.Rhododendron delavayi,Form.Rhododendron irroratum,Rhododendron mixed forest (Form.Rhododendron delavayi +Rhododendron irroratum) and mixed forest (Form.Castanea seguinii+Quercus fabri).The species diversity and stability were measured using α diversity coefficient and M.Godron method.The results were as follows:1) From high to low,the species richness of the four communities was mixed forest (Form.Castanea seguinii+Quercus fabri)>Rhododendron mixed forest (Form.Rhododendron delavayi+Rhododendron irroratum)> Form.Rhododendron delavayi > Form.Rhododendron irroratum;2) The Simpson index,Shannon-Wiener index and Pielou's evenness index vary in the three levels of arbors,shrubs,and herbs in different communities,but the four diversity indexes are the lowest in the Form.Rhododendron irroratum;3) Among the four communities,only the Form.Rhododendron delavayi was stable,and the community of mixed forest (Form.Castanea seguinii+Quercus fabri) was the most unstable.Among the different levels of each community,the most unstable is the herb layer of the Form.Rhododendron irroratum.
Jiaguo WANG , Weijie LI , Hongjun ZHANG , Di WU , Jianli ZHANG , Zhenzhen JIA . Study on the Diversity and Stability of Plant Communities in Baili hododendron Scenic Area in Guizhou Province[J]. Forest and Grassland Resources Research, 2020 , 0(2) : 120 -125 . DOI: 10.13466/j.cnki.lyzygl.2020.02.018
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