Biogeosciences
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Articles | Volume 23, issue 10
Articles | Volume 23, issue 10
https://doi.org/10.5194/bg-23-3387-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/bg-23-3387-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 10
Research article
 | 
20 May 2026
Research article |  | 20 May 2026

Future mercury levels in fish: model vs. observational predictions under different policy scenarios

Henna Gull, Ju Hyeon Lee, Hoin Lee, Hélène Angot, and Sae Yun Kwon

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Short summary
Mercury is a global concern that builds up in fish. To understand how future pollution cuts may reduce these levels, we compared published modeling studies. While models predict mercury will decline as pollution decreases, they often overlook mercury already stored in the environment. As a result, recovery may be slower than expected. This work highlights gaps in current tools and supports efforts to improve global pollution control policies. 
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