Articles | Volume 18, issue 23
Biogeosciences, 18, 6313–6328, 2021
https://doi.org/10.5194/bg-18-6313-2021
Biogeosciences, 18, 6313–6328, 2021
https://doi.org/10.5194/bg-18-6313-2021

Research article 09 Dec 2021

Research article | 09 Dec 2021

Mercury accumulation in leaves of different plant types – the significance of tissue age and specific leaf area

Håkan Pleijel et al.

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Cited articles

Assad, M., Parelle, J., Cazaux, D., Gimbert, F., Chalot, M., and Tatit-Froux, F.: Mercury uptake into poplar leaves, Chemosphere, 146, 1–7, https://doi.org/10.1016/j.chemosphere.2015.11.103, 2016. 
Barghigiani, C., Ristori, T., and Bauleo, R.: Pinus as an atmospheric Hg biomonitor, Environ. Technol., 12, 1175–1181, https://doi.org/10.1080/09593339109385118, 1991. 
Bertolotti, G. and Gialanella, S.: Review: use of conifer needles as passive samplers of inorganic pollutants in air quality monitoring, Anal. Methods, 6, 6208–6222, https://doi.org/10.1039/c4ay00172a, 2014. 
Bishop, K., Shanley, J. B., Riscassi, A., de Wit, H. A., Eklöf, K., Meng, B., Mitchell, C., Osterwalder, S., Schuster, P. F., Webster, J., and Zhu, W.: Recent advances in understanding and measurement of mercury in the environment: Terrestrial Hg cycling, Sci. Total Environ., 721, 137647, https://doi.org/10.1016/j.scitotenv.2020.137647, 2020. 
Browne, C. L. and Fang, S. C.: Uptake of mercury vapor by wheat, Plant Physiol., 61, 430–433, 1978. 
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Short summary
Mercury is a problematic metal in the environment. It is crucial to understand the Hg circulation in ecosystems. We explored the mercury concentration in foliage from a diverse set of plants, locations and sampling periods to study the accumulation of Hg in leaves–needles over time. Mercury was always higher in older tissue: in broadleaved trees, conifers and wheat. Specific leaf area, the leaf area per unit leaf mass, turned out to be critical for Hg accumulation in leaves–needles.
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