Effects of tree pollen on throughfall element fluxes in European forests

Arne Verstraeten; Nicolas Bruffaerts; Fabiana Cristofolini; Elena Vanguelova; Johan Neirynck; Gerrit Genouw; Bruno De Vos; Peter Waldner; Anne Thimonier; Anita Nussbaumer; Mathias Neumann; Sue Benham; Pasi Rautio; Liisa Ukonmaanaho; Päivi Merilä; Antti Jussi Lindroos; Annika Saarto; Jukka Reiniharju; Nicholas Clarke; Volkmar Timmermann; Manuel Nicolas; Maria Schmitt; Katrin Meusburger; Anna Kowalska; Idalia Kasprzyk; Katarzyna Kluska; Łukasz Grewling; Małgorzata Malkiewicz; Lars Vesterdal; Morten Ingerslev; Miklós Manninger; Donát Magyar; Hugues Titeux; Gunilla Pihl Karlsson; Regula Gehrig; Sandy Adriaenssens; Agneta Ekebom; Åslög Dahl; Marco Ferretti; Elena Gottardini

doi:10.1007/s10533-023-01082-3

Effects of tree pollen on throughfall element fluxes in European forests

Arne Verstraeten^*, Nicolas Bruffaerts, Fabiana Cristofolini, Elena Vanguelova, Johan Neirynck, Gerrit Genouw, Bruno De Vos, Peter Waldner, Anne Thimonier, Anita Nussbaumer, Mathias Neumann, Sue Benham, Pasi Rautio, Liisa Ukonmaanaho, Päivi Merilä, Antti Jussi Lindroos, Annika Saarto, Jukka Reiniharju, Nicholas Clarke, Volkmar TimmermannManuel Nicolas, Maria Schmitt, Katrin Meusburger, Anna Kowalska, Idalia Kasprzyk, Katarzyna Kluska, Łukasz Grewling, Małgorzata Malkiewicz, Lars Vesterdal, Morten Ingerslev, Miklós Manninger, Donát Magyar, Hugues Titeux, Gunilla Pihl Karlsson, Regula Gehrig, Sandy Adriaenssens, Agneta Ekebom, Åslög Dahl, Marco Ferretti, Elena Gottardini

^*Corresponding author for this work

Forest and Landscape Ecology

Research output: Contribution to journal › Journal article › Research › peer-review

2 Citations (Scopus)

Abstract

The effects of tree pollen on precipitation chemistry are not fully understood and this can lead to misinterpretations of element deposition in European forests. We investigated the relationship between forest throughfall (TF) element fluxes and the Seasonal Pollen Integral (SPIn) using linear mixed-effects modelling (LME). TF was measured in 1990–2018 during the main pollen season (MPS, arbitrary two months) in 61 managed, mostly pure, even-aged Fagus, Quercus, Pinus, and Picea stands which are part of the ICP Forests Level II network. The SPIn for the dominant tree genus was observed at 56 aerobiological monitoring stations in nearby cities. The net contribution of pollen was estimated as the TF flux in the MPS minus the fluxes in the preceding and succeeding months. In stands of Fagus and Picea, two genera that do not form large amounts of flowers every year, TF fluxes of potassium (K⁺), ammonium-nitrogen (NH₄⁺-N), dissolved organic carbon (DOC), and dissolved organic nitrogen (DON) showed a positive relationship with SPIn. However- for Fagus- a negative relationship was found between TF nitrate-nitrogen (NO₃⁻-N) fluxes and SPIn. For Quercus and Pinus, two genera producing many flowers each year, SPIn displayed limited variability and no clear association with TF element fluxes. Overall, pollen contributed on average 4.1–10.6% of the annual TF fluxes of K⁺ > DOC > DON > NH₄⁺-N with the highest contribution in Quercus > Fagus > Pinus > Picea stands. Tree pollen appears to affect TF inorganic nitrogen fluxes both qualitatively and quantitatively, acting as a source of NH₄⁺-N and a sink of NO₃⁻-N. Pollen appears to play a more complex role in nutrient cycling than previously thought.

Original language	English
Journal	Biogeochemistry
Volume	165
Pages (from-to)	311–325
Number of pages	15
ISSN	0168-2563
DOIs	https://doi.org/10.1007/s10533-023-01082-3
Publication status	Published - 2023

Bibliographical note

Publisher Copyright:
© 2023, The Author(s), under exclusive licence to Springer Nature Switzerland AG.

Keywords

Airborne pollen concentrations
Dissolved organic carbon
ICP Forests
Nitrogen
Potassium
Throughfall

Access to Document

10.1007/s10533-023-01082-3

FulltextFinal published version, 3.42 MBLicence: CC BY

Cite this

Verstraeten, A., Bruffaerts, N., Cristofolini, F., Vanguelova, E., Neirynck, J., Genouw, G., De Vos, B., Waldner, P., Thimonier, A., Nussbaumer, A., Neumann, M., Benham, S., Rautio, P., Ukonmaanaho, L., Merilä, P., Lindroos, A. J., Saarto, A., Reiniharju, J., Clarke, N., ... Gottardini, E. (2023). Effects of tree pollen on throughfall element fluxes in European forests. Biogeochemistry, 165, 311–325. https://doi.org/10.1007/s10533-023-01082-3

Effects of tree pollen on throughfall element fluxes in European forests. / Verstraeten, Arne; Bruffaerts, Nicolas; Cristofolini, Fabiana; Vanguelova, Elena; Neirynck, Johan; Genouw, Gerrit; De Vos, Bruno; Waldner, Peter; Thimonier, Anne; Nussbaumer, Anita; Neumann, Mathias; Benham, Sue; Rautio, Pasi; Ukonmaanaho, Liisa; Merilä, Päivi; Lindroos, Antti Jussi; Saarto, Annika; Reiniharju, Jukka; Clarke, Nicholas; Timmermann, Volkmar; Nicolas, Manuel; Schmitt, Maria; Meusburger, Katrin; Kowalska, Anna; Kasprzyk, Idalia; Kluska, Katarzyna; Grewling, Łukasz; Malkiewicz, Małgorzata; Vesterdal, Lars ; Ingerslev, Morten; Manninger, Miklós; Magyar, Donát; Titeux, Hugues; Karlsson, Gunilla Pihl; Gehrig, Regula; Adriaenssens, Sandy; Ekebom, Agneta; Dahl, Åslög; Ferretti, Marco; Gottardini, Elena.

In: Biogeochemistry, Vol. 165, 2023, p. 311–325.

Research output: Contribution to journal › Journal article › Research › peer-review

Verstraeten, A, Bruffaerts, N, Cristofolini, F, Vanguelova, E, Neirynck, J, Genouw, G, De Vos, B, Waldner, P, Thimonier, A, Nussbaumer, A, Neumann, M, Benham, S, Rautio, P, Ukonmaanaho, L, Merilä, P, Lindroos, AJ, Saarto, A, Reiniharju, J, Clarke, N, Timmermann, V, Nicolas, M, Schmitt, M, Meusburger, K, Kowalska, A, Kasprzyk, I, Kluska, K, Grewling, Ł, Malkiewicz, M, Vesterdal, L , Ingerslev, M, Manninger, M, Magyar, D, Titeux, H, Karlsson, GP, Gehrig, R, Adriaenssens, S, Ekebom, A, Dahl, Å, Ferretti, M & Gottardini, E 2023, 'Effects of tree pollen on throughfall element fluxes in European forests', Biogeochemistry, vol. 165, pp. 311–325. https://doi.org/10.1007/s10533-023-01082-3

Verstraeten, Arne ; Bruffaerts, Nicolas ; Cristofolini, Fabiana ; Vanguelova, Elena ; Neirynck, Johan ; Genouw, Gerrit ; De Vos, Bruno ; Waldner, Peter ; Thimonier, Anne ; Nussbaumer, Anita ; Neumann, Mathias ; Benham, Sue ; Rautio, Pasi ; Ukonmaanaho, Liisa ; Merilä, Päivi ; Lindroos, Antti Jussi ; Saarto, Annika ; Reiniharju, Jukka ; Clarke, Nicholas ; Timmermann, Volkmar ; Nicolas, Manuel ; Schmitt, Maria ; Meusburger, Katrin ; Kowalska, Anna ; Kasprzyk, Idalia ; Kluska, Katarzyna ; Grewling, Łukasz ; Malkiewicz, Małgorzata ; Vesterdal, Lars ; Ingerslev, Morten ; Manninger, Miklós ; Magyar, Donát ; Titeux, Hugues ; Karlsson, Gunilla Pihl ; Gehrig, Regula ; Adriaenssens, Sandy ; Ekebom, Agneta ; Dahl, Åslög ; Ferretti, Marco ; Gottardini, Elena. / Effects of tree pollen on throughfall element fluxes in European forests. In: Biogeochemistry. 2023 ; Vol. 165. pp. 311–325.

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title = "Effects of tree pollen on throughfall element fluxes in European forests",

abstract = "The effects of tree pollen on precipitation chemistry are not fully understood and this can lead to misinterpretations of element deposition in European forests. We investigated the relationship between forest throughfall (TF) element fluxes and the Seasonal Pollen Integral (SPIn) using linear mixed-effects modelling (LME). TF was measured in 1990–2018 during the main pollen season (MPS, arbitrary two months) in 61 managed, mostly pure, even-aged Fagus, Quercus, Pinus, and Picea stands which are part of the ICP Forests Level II network. The SPIn for the dominant tree genus was observed at 56 aerobiological monitoring stations in nearby cities. The net contribution of pollen was estimated as the TF flux in the MPS minus the fluxes in the preceding and succeeding months. In stands of Fagus and Picea, two genera that do not form large amounts of flowers every year, TF fluxes of potassium (K+), ammonium-nitrogen (NH4+-N), dissolved organic carbon (DOC), and dissolved organic nitrogen (DON) showed a positive relationship with SPIn. However- for Fagus- a negative relationship was found between TF nitrate-nitrogen (NO3−-N) fluxes and SPIn. For Quercus and Pinus, two genera producing many flowers each year, SPIn displayed limited variability and no clear association with TF element fluxes. Overall, pollen contributed on average 4.1–10.6% of the annual TF fluxes of K+ > DOC > DON > NH4+-N with the highest contribution in Quercus > Fagus > Pinus > Picea stands. Tree pollen appears to affect TF inorganic nitrogen fluxes both qualitatively and quantitatively, acting as a source of NH4+-N and a sink of NO3−-N. Pollen appears to play a more complex role in nutrient cycling than previously thought.",

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doi = "10.1007/s10533-023-01082-3",

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T1 - Effects of tree pollen on throughfall element fluxes in European forests

AU - Verstraeten, Arne

AU - Bruffaerts, Nicolas

AU - Cristofolini, Fabiana

AU - Vanguelova, Elena

AU - Neirynck, Johan

AU - Genouw, Gerrit

AU - De Vos, Bruno

AU - Waldner, Peter

AU - Thimonier, Anne

AU - Nussbaumer, Anita

AU - Neumann, Mathias

AU - Benham, Sue

AU - Rautio, Pasi

AU - Ukonmaanaho, Liisa

AU - Merilä, Päivi

AU - Lindroos, Antti Jussi

AU - Saarto, Annika

AU - Reiniharju, Jukka

AU - Clarke, Nicholas

AU - Timmermann, Volkmar

AU - Nicolas, Manuel

AU - Schmitt, Maria

AU - Meusburger, Katrin

AU - Kowalska, Anna

AU - Kasprzyk, Idalia

AU - Kluska, Katarzyna

AU - Grewling, Łukasz

AU - Malkiewicz, Małgorzata

AU - Vesterdal, Lars

AU - Ingerslev, Morten

AU - Manninger, Miklós

AU - Magyar, Donát

AU - Titeux, Hugues

AU - Karlsson, Gunilla Pihl

AU - Gehrig, Regula

AU - Adriaenssens, Sandy

AU - Ekebom, Agneta

AU - Dahl, Åslög

AU - Ferretti, Marco

AU - Gottardini, Elena

PY - 2023

Y1 - 2023

N2 - The effects of tree pollen on precipitation chemistry are not fully understood and this can lead to misinterpretations of element deposition in European forests. We investigated the relationship between forest throughfall (TF) element fluxes and the Seasonal Pollen Integral (SPIn) using linear mixed-effects modelling (LME). TF was measured in 1990–2018 during the main pollen season (MPS, arbitrary two months) in 61 managed, mostly pure, even-aged Fagus, Quercus, Pinus, and Picea stands which are part of the ICP Forests Level II network. The SPIn for the dominant tree genus was observed at 56 aerobiological monitoring stations in nearby cities. The net contribution of pollen was estimated as the TF flux in the MPS minus the fluxes in the preceding and succeeding months. In stands of Fagus and Picea, two genera that do not form large amounts of flowers every year, TF fluxes of potassium (K+), ammonium-nitrogen (NH4+-N), dissolved organic carbon (DOC), and dissolved organic nitrogen (DON) showed a positive relationship with SPIn. However- for Fagus- a negative relationship was found between TF nitrate-nitrogen (NO3−-N) fluxes and SPIn. For Quercus and Pinus, two genera producing many flowers each year, SPIn displayed limited variability and no clear association with TF element fluxes. Overall, pollen contributed on average 4.1–10.6% of the annual TF fluxes of K+ > DOC > DON > NH4+-N with the highest contribution in Quercus > Fagus > Pinus > Picea stands. Tree pollen appears to affect TF inorganic nitrogen fluxes both qualitatively and quantitatively, acting as a source of NH4+-N and a sink of NO3−-N. Pollen appears to play a more complex role in nutrient cycling than previously thought.

AB - The effects of tree pollen on precipitation chemistry are not fully understood and this can lead to misinterpretations of element deposition in European forests. We investigated the relationship between forest throughfall (TF) element fluxes and the Seasonal Pollen Integral (SPIn) using linear mixed-effects modelling (LME). TF was measured in 1990–2018 during the main pollen season (MPS, arbitrary two months) in 61 managed, mostly pure, even-aged Fagus, Quercus, Pinus, and Picea stands which are part of the ICP Forests Level II network. The SPIn for the dominant tree genus was observed at 56 aerobiological monitoring stations in nearby cities. The net contribution of pollen was estimated as the TF flux in the MPS minus the fluxes in the preceding and succeeding months. In stands of Fagus and Picea, two genera that do not form large amounts of flowers every year, TF fluxes of potassium (K+), ammonium-nitrogen (NH4+-N), dissolved organic carbon (DOC), and dissolved organic nitrogen (DON) showed a positive relationship with SPIn. However- for Fagus- a negative relationship was found between TF nitrate-nitrogen (NO3−-N) fluxes and SPIn. For Quercus and Pinus, two genera producing many flowers each year, SPIn displayed limited variability and no clear association with TF element fluxes. Overall, pollen contributed on average 4.1–10.6% of the annual TF fluxes of K+ > DOC > DON > NH4+-N with the highest contribution in Quercus > Fagus > Pinus > Picea stands. Tree pollen appears to affect TF inorganic nitrogen fluxes both qualitatively and quantitatively, acting as a source of NH4+-N and a sink of NO3−-N. Pollen appears to play a more complex role in nutrient cycling than previously thought.

KW - Airborne pollen concentrations

KW - Dissolved organic carbon

KW - ICP Forests

KW - Nitrogen

KW - Potassium

KW - Throughfall

U2 - 10.1007/s10533-023-01082-3

DO - 10.1007/s10533-023-01082-3

M3 - Journal article

AN - SCOPUS:85171258301

VL - 165

SP - 311

EP - 325

JO - Biogeochemistry

JF - Biogeochemistry

SN - 0168-2563

ER -