Intensified river salinization alters nitrogen-cycling microbial communities in arid and semi-arid regions of China

Qingqing Pang; Dan Wang; Zewei Jiang; Mohamed Abdalla; Lei Xie; Xiang Zhu; Fuquan Peng; Pete Smith; Longmian Wang; Lingzhan Miao; Jun Hou; Peng Yu; Fei He; Bin Xu

doi:10.1016/j.eehl.2024.02.001

February 27, 2024Eco-Environment & HealthOpen Access

Intensified river salinization alters nitrogen-cycling microbial communities in arid and semi-arid regions of China

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Key Points

River salinization suppresses microbial genes for nitrogen fixation and nitrification, whereas denitrification functions remain enriched under medium salinity.
In situ evaluation across three salinity gradient levels demonstrates persistent abundances of dissimilatory nitrate reduction to ammonium communities in rivers.
Highlights indicate that freshwater salinization reshapes microbial nitrogen cycling pathways, altering downstream hydrochemical characteristics in arid basins.

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Implication

Meta-analysis and in situ observations reveal salinization suppresses nitrogen fixation while preserving denitrification in arid rivers, highlighting altered nutrient cycling.

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Cite This Study

Pang et al. (2024) studied this question.

synapsesocial.com/papers/68e7757db6db6435876ea429 https://doi.org/10.1016/j.eehl.2024.02.001

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Intensified river salinization alters nitrogen-cycling microbial communities in arid and semi-arid regions of China

Key Points

No abstract yet

Implication

Discussion

Cite This Study

Intensified river salinization alters nitrogen-cycling microbial communities in arid and semi-arid regions of China

Key Points

No abstract yet

Implication

Discussion

Cite This Study

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