Microorganisms, Journal Year: 2023, Volume and Issue: 11(8), P. 2033 - 2033

Published: Aug. 8, 2023

The soil microbiome is an important component of wetland ecosystems and plays a pivotal role in nutrient cycling climate regulation. Nitrogen (N) addition influences the soil’s microbial diversity, composition, function by affecting status. change bacterial diversity composition temperate response to high ammonium nitrogen additions remains unclear. In this study, we used high-throughput sequencing technology study changes community structure with increasing concentrations [CK (control, 0 kg ha−1 a−1), LN (low addition, 40 HN (high 80 a−1)] at field experimental site Sanjiang Plain wetland, China. Our results showed that except for organic carbon (SOC), other physicochemical parameters, i.e., moisture content (SMC), dissolved (DON), total (TN), pH, (NH4+), (DOC), changed significantly among three (p < 0.05). Compared CK, did not α-diversity > 0.05), only decreased Shannon 0.05) Chao indices community. Ammonium affect based on non-metric multidimensional scaling (NMDS) PERMANOVA (ADONIS) analyses. Acidobacteriota (24.96–31.11%), Proteobacteria (16.82–26.78%), Chloroflexi (10.34–18.09%), Verrucomicrobiota (5.23–11.56%), Actinobacteriota (5.63–8.75%) were most abundant phyla soils. complexity stability network. SMC, NO3−, pH main drivers structure. These findings indicate enhanced atmospheric may have impact communities soil, will allow us better understand framework deposition.

Language: Английский