Article Details

Effects of different land use patterns on nifH genetic diversity of soil nitrogen-fixing microbial communities in Leymus Chinensis steppe

Oleh   Zou Yukun [-]
Kontributor / Dosen Pembimbing : Zhang Jingni, Yang Dianlin, Chen Xiurong, Zhao Jianning, Xiu Weiming, Lai Xin, Li Gang
Jenis Koleksi : Jurnal elektronik
Penerbit : Lain-lain
Fakultas :
Subjek :
Kata Kunci : Leymus chinensis steppe, nifH, Biodiversity, Phylogenetic analysis
Sumber : ScienceDirect
Staf Input/Edit : Irwan Sofiyan  
File : 1 file
Tanggal Input : 2019-07-18 09:21:54

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Biological nitrogen fixation through prokaryotic microbe is an important source of nitrogen been input into many natural ecosystems. In this study the active diazotrophic community was investigated in the three treatments of mowed, grazed and enclosed Leymus chinensis steppes in Hulunbeier grassland of Inner Mongolia by using approaches of polymerase chain reaction-denaturing gradient gel electrophoresis (PCR–DGGE) and sequence analysis. The community structure and diversity of the bacterial groups from the different samples was further analyzed by using different techniques, such as statistical analysis and diversity index evaluation of the band patterns etc. The results showed that grazing activity significantly reduced the number of species and quantities of nitrogen-fixing microorganisms, as well as the nifH gene diversity.