Rhizosphere soil microbial community and its response to different utilization patterns in the semi-arid alpine grassland of northern Tibet
Steppe
Bulk soil
DOI:
10.3389/fmicb.2022.931795
Publication Date:
2022-07-22T13:55:55Z
AUTHORS (5)
ABSTRACT
As the link between plants and soils, rhizosphere soil microorganisms play an important role in element cycle. This study aimed to understand response of microbial community structure interaction network grassland utilization alpine steppe northern Tibet Plateau. High-throughput sequencing was employed composition, diversity, species communities under grazing, mowing, enclosing treatments. Proteobacteria (47.19%) Actinobacteria (42.20%) were dominant bacteria soil. There no significant difference relative abundance among at phylum genus levels, but differences found Chlorobi, Ignavibacteriae, Micromonospora. The alpha diversity index based on Shannon, Chao1, Simpson indices revealed that except for a Shannon Artemisia nanschanica group, richness evenness all groups similar. Non-metric multidimensional scaling (NMDS) multi-response permutation procedure (MRPP) analyses showed inter-group three (Stipa purpurea, Carex moorcroftii, nanschanica) greater than within groups; however, only with Stipa purpurea group significant. complexity treatment, which not easily influenced by external factors, higher those other treatments; this again demonstrated core Plateau crucial maintaining stability communities. Findings from provide theoretical basis restoration degraded development functions.
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