Physiological and climate controls on foliar mercury uptake by European tree species

Wohlgemuth, Lena; Rautio, Pasi; Ahrends, Bernd; Russ, Alexander; Vesterdal, Lars; Waldner, Peter; Timmermann, Volkmar; Eickenscheidt, Nadine; Fürst, Alfred; Greve, Martin; Roskams, Peter; Thimonier, Anne; Nicolas, Manuel; Kowalska, Anna; Ingerslev, Morten; Merilä, Päivi; Benham, Sue; Iacoban, Carmen; Hoch, Günter; Alewell, Christine; Jiskra, Martin

doi:https://doi.org/10.5194/bg-19-1335-2022

Articles | Volume 19, issue 5

https://doi.org/10.5194/bg-19-1335-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-19-1335-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 19, issue 5

Research article

|

04 Mar 2022

Research article |

| 04 Mar 2022

Physiological and climate controls on foliar mercury uptake by European tree species

Lena Wohlgemuth, Pasi Rautio, Bernd Ahrends, Alexander Russ, Lars Vesterdal, Peter Waldner, Volkmar Timmermann, Nadine Eickenscheidt, Alfred Fürst, Martin Greve, Peter Roskams, Anne Thimonier, Manuel Nicolas, Anna Kowalska, Morten Ingerslev, Päivi Merilä, Sue Benham, Carmen Iacoban, Günter Hoch, Christine Alewell, and Martin Jiskra

Supplement

https://doi.org/10.5194/bg-19-1335-2022-supplement

Data sets

Public dataset to Physiological and climate controls on foliar mercury uptake by European tree species Lena Wohlgemuth https://zenodo.org/record/5495180#.YcnzjlnTU2w

Part I: Objectives, Strategy and Implementation of ICP Forests W. Seidling, K. Hansen, S. Strich, and M. Lorenz http://icp-forests.net/page/icp-forests-manual

ICP Forests proprietary data ICP Forests http://icp-forests.net/page/data-requests

ERA5-Land hourly data from 1981 to present J. Muñoz Sabater https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-land?tab=overview

Data for the beginning of the growing season of coniferous trees in 2015 and 2017 PEP725 http://www.pep725.eu/

PROBA-V leaf area index values of 300m resolution Copernicus https://land.copernicus.eu/global/products/lai

GLEAM transpiration values from 2015 and 2017 GLEAM https://www.gleam. eu/

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Short summary

Gaseous mercury is present in the atmosphere all over the globe. During the growing season, plants take up mercury from the air in a similar way as CO₂. We investigated which factors impact this vegetational mercury uptake by analyzing a large dataset of leaf mercury uptake rates of trees in Europe. As a result, we conclude that mercury uptake is foremost controlled by tree-intrinsic traits like physiological activity but also by climatic factors like dry conditions in the air and in soils.