Fluvial Dissolved Organic Matter Quality Modulates Microbial Nitrate Transformation: Enhanced Denitrification under Low Carbon-to-Nitrate Ratio

Fluvial Dissolved Organic Matter Quality Modulates Microbial Nitrate Transformation: Enhanced Denitrification under Low Carbon-to-Nitrate Ratio

Dissolved organic matter (DOM), particularly the molar ratio of dissolved organic carbon (DOC) to NO<sub>3</sub><sup>–</sup> plays a crucial role in shaping fluvial microbial NO<sub>3</sub><sup>–</sup> transformation processes. However, the underlying...

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Bibliographic Details
Main Author:	Xiang Zhu (135451) (author)
Other Authors:	Fei Yang (46361) (author), Qingqing Pang (1499674) (author), Fuquan Peng (9013856) (author), Bin Xu (10691) (author), Longmian Wang (9013853) (author), Lei Xie (61344) (author), Weihong Zhang (188305) (author), Linfeng Tian (22468157) (author), Jun Hou (249855) (author), Chen Zhou (466781) (author), Zhengfeng Hu (22174873) (author)
Published:	2025
Subjects:	Biotechnology Ecology Inorganic Chemistry Environmental Sciences not elsewhere classified Biological Sciences not elsewhere classified three groups based stabilized network interactions six sampling campaigns shaping fluvial microbial promoted microbial cooperation highest median abundances efficient carbon source dissolved organic carbon 582 ), medium nitric oxide reductase promote fluvial denitrification 582 ∼ 3 dom ), particularly 13 ), nitrate reductase low carbon suppresses denitrification enhanced denitrification denitrification genes transformation processes spatial points rich dom results showed qingshui river offering strategies northwest china molar ratio like compounds laboratory experiments higher proportion fulvic acid energy metabolism dominant process different temporal crucial role 13 ).
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