ArticleMicroorganisms2025
Microbial Community Responses and Nitrogen Cycling in the Nitrogen-Polluted Urban Shi River Revealed by Metagenomics.
Article in Microorganisms, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
Nitrogen pollution in urban rivers, exacerbated by rapid urbanization, poses a growing threat to water quality. Microbial communities are essential in mediating nitrogen cycling and mitigating pollution in these ecosystems. This study integrated three-year (2021-2023) water quality monitoring with metagenomic sequencing to investigate microbial community dynamics, nitrogen cycling processes, and their responses to nitrogen pollution in the Shi River, Qinhuangdao, China. Nitrogen pollution was predominantly derived from industrial discharges from enterprises in the Shi River Reservoir upstream (e.g., coolant and chemical effluents), agricultural runoff, untreated domestic sewage (particularly from catering and waste in Pantao Valley), and livestock farming effluents. Total nitrogen (TN) concentrations ranged from 2.22 to 6.44 mg/L, exceeding China's Class V water standard (2.0 mg/L, GB 3838-2002), with the highest level at the urbanized W4 site (6.44 mg/L). Nitrate nitrogen (NO
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