MINI REVIEW article
Front. Environ. Chem.
Sec. Inorganic Pollutants
Volume 6 - 2025 | doi: 10.3389/fenvc.2025.1604054
This article is part of the Research TopicEnvironmental Chemistry of Mercury: Sources, Pathways, Transformations and Impact Vol IIView all 4 articles
Mercury cycling in grasslands: Deposition, plant uptake, and biomass burning emissions
Provisionally accepted
- National Institute for Minamata Disease, Kumamoto, Japan
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In order to evaluate the effectiveness of the Minamata Convention on Mercury understanding air–surface mercury exchange in grasslands is important as they cover 20–40% land surface of the surface. An in-depth quantitative understanding of processes of mercury cycle, such as dry and wet depositions, evasion from soil, plant uptake and natural and prescribed biomass burning, is essential to explore the mercury cycle in these regions; however, only limited number of studies are available on these proceses, and many open questions relating to the processes still remain. In this mini-review key emission and sinking processes occurring in natural and seminatural grasslands and the potential of stable mercury isotope measurements for tracing studies of mercury origin(s) to grasslands are discussed.
Keywords: air-surface exchange of mercury, mercury emission from prescribed grassland burning, Atmospheric mercury deposition, plant uptake of atmospheric mercury, stable mercury isotope ratio, Miscanthus sinensis, Pleioblastus chino var. viridis, Mercury flux
Received: 01 Apr 2025; Accepted: 15 Aug 2025.
Copyright: © 2025 Irei. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Satoshi Irei, National Institute for Minamata Disease, Kumamoto, Japan
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