芦芽山华北落叶松林土壤剖面细菌群落分布格局

Translated title of the contribution: Distribution Pattern of Bacterial Community in Soil Profile of Larix principis-rupprechtii Forest in Luya Mountain

Xiao Ya1 Mao, Jin Xian Liu, Tong Jia, Tie Hang Wu, Bao Feng Chai

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Microbial communities are the key component to maintaining the structure and function of forest soil ecosystems. The vertical distribution of bacterial communities on the soil profile has an important impact on forest soil carbon pools and soil nutrient cycling. Using Illumina MiSeq high-throughput sequencing technology, we analyzed the characteristics of bacterial communities in the humus layer and 0-80 cm soil layer of Lark principis-mpprechtii in Luya Mountain, China, to explore the driving mechanisms affecting the structure of bacterial communities in soil profiles. The results showed that the a diversity of bacterial communities decreased significantly with increasing soil depth, and community structure differed significantly across soil profiles. The relative abundance of Actinobaeteria and Proteobaeteria decreased with increased soil depth, whereas the relative abundance of Acidobacteria and Chloroflexi increased with the increase in soil depth. The results of RDA analysis showed that soil NH4+, TC, TS, WCS, pH, NO3-, and TP were important factors determining the bacterial community structure of the soil profile, among which soil pH had the most significant effect. Molecular ecological network analysis showed that the complexity of bacterial communities in the litter layer and subsurface soil (10-20 cm) was relatively high, whereas the complexity of bacterial communities in deep soil (40-80 cm) was relatively low. Proteobaeteria, Acidobacteria, Chloroflexi, and Actinobaeteria played important roles in the structure and stability of soil bacterial communities in Larch. The species function prediction of Tax4Fun showed a gradual decline in microbial metabolic capacity along the soil profile. In conclusion, soil bacterial community structure showed a certain distribution pattern along the vertical profile of soil, the community complexity gradually decreased, and the unique bacterial groups of deep soil and surface soil were significantly different.

Translated title of the contributionDistribution Pattern of Bacterial Community in Soil Profile of Larix principis-rupprechtii Forest in Luya Mountain
Original languageChinese (Traditional)
Pages (from-to)3376-3385
Number of pages10
JournalHuanjing Kexue/Environmental Science
Volume44
Issue number6
DOIs
StatePublished - Jun 2023

Scopus Subject Areas

  • General Environmental Science

Keywords

  • bacterial community
  • distribution pattern
  • Larix principis-rupprechtii
  • soil profile
  • structure and diversity

Fingerprint

Dive into the research topics of 'Distribution Pattern of Bacterial Community in Soil Profile of Larix principis-rupprechtii Forest in Luya Mountain'. Together they form a unique fingerprint.

Cite this