Biogeosciences
Biogeosciences
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Articles | Volume 23, issue 20
Articles | Volume 23, issue 20
https://doi.org/10.5194/bg-23-7545-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-7545-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 20
Research article
 | 
26 Oct 2026
Research article |  | 26 Oct 2026

Macro constraints and local eutrophication shape sediment nitrogen removal in the Eastern China Plain lakes

Jiahao Wei, Ke Yang, Yaru Liu, Yi Yin, Lachun Wang, Enlou Zhang, Zhijun Gong, and Yongjiu Cai

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Short summary
This study examines sediment nitrogen removal using 15N tracing and multiomics across 17 Eastern China Plain lakes. Results show that denitrification dominates nitrogen loss, and eutrophication amplifies removal capacity while decoupling genetic potential from active expression. Furthermore, macro factors indirectly drive removal by reshaping local physicochemical properties. These insights facilitate better management strategies to safeguard lake ecosystem services under global change.
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