Forest Strategies for limited Phosphorus Resources

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E-book available - Research Topic " Canges in Ecosystem Nutrition" in Frontiers in Forest and Global Change
































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The idea for this Research Topic resulted from the discussion within the Priority Programme 1685 Ecosystem Nutrition – Forest strategies for limited phosphorus resources.

Continued deterioration of phosphorus supply and changes in nitrogen dynamics in forest ecosystems has been emphasized in recent ecosystem studies. Detrimental consequences of any such nutrient based changes in forest ecosystems are expected because of the tight feedbacks on climate change mitigation and adaptation. Globally, forest change and associated changes in nutrient supply are perceived to be results of multiple factors including rising temperatures, more frequent weather extremes, continued high N inputs, decreasing biodiversity, and increased intensity in forest management practices. Traditional approaches of plant nutrition are not entirely sufficient for the assessment and evaluation of interactions between nutrient supply and forest change. For example, they fail to address essential aspects such as the nutrient mobilization and demand by microorganisms, the interactions among trees of different species identity or ontogenetic stage, or between other organisms such as herbs, microorganisms, and herbivores. The feedbacks between living organisms and soil properties and their impact on nutrient dynamics, and the interactions between hydrological and biogeochemical cycles remain also poorly understood.   

This Research Topic brings together 25 manuscripts addressing all facets of a novel, holistic “ecosystem nutrition” approach.

To download the E-book as pdf klick here.





Jahrestagung der Deutschen Bodenkundlichen Gesellschaft (DBG) postponed to September 3 - 10, 2022

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The DBG board together with the conference president Sören Thiele-Bruhn decided with a heavy heart to postpone the conference exactly one year, namely to the period from September 3 - 9, 2022..

For further information about the conference please click here.





Closing Conference of SPP 1685
postponed to October 25 - 28, 2021


Given the current situation and restrictions in connection with COVID-19 we have decided to postpone the closing conference of SPP 1685 again to October 25 - 28, 2021.

For further information about the conference please click here.





Eurosoil 2021 is going virtual!


Due to the ongoing effects of COVID-19 and the persistent uncertainty on travel restrictions, country lock-downs and physical distancing requirements, the Eurosoil 2021 organisers have decided to transform the physical 2021 congress into a virtual congress from 23 -27 August 2021.

– All accepted contributions to sessions will be maintained for the Eurosoil 2021 virtual congress
– Contributors will have the opportunity to amend/update/edit their contribution in 2021 – details of the timeline for this process will be communicated once finalised
– The session programme topics will remain the same for the vast majority of the programme – some minor changes and updates will be made and announced in as timely a manner as possible
– “Late breaking” call for contributions will open in February/March 2021 – more information will be published soon on the congress website

For futher information please got to Eurosoil  2021.






Biogeomon 2021 again postponed to summer 2022!


Due to the escalating Covid-19 pandemic, the organizing committee and the international scientific committee have decided to postpone the conference until Summer 2022.

The tentative new time is June 26 – 30, 2022. The planned venue is still Tartu, Estonia.

For futher information please also the congress webpage Biogeomon 2022.






David Uhlig received Potsdam Young Scientist Award

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© Forschungszentrum Jülich GmbH, R. Limbach

On behalf of all members of SPP 1685, we are pleased to congratulate Dr. David Uhlig on receiving the Potsdam Young Scientist Award 2020!
David Uhlig receives the prize for his dissertation entitled "The deep Critical Zone as a source of mineral nutrients to montane, temperate forest ecosystems", which he carried out within the framework of SPP 1685.

The complete laudation for David Uhlig by Prof. Rolf Emmermann can be found here.





Closing Conference of SPP 1685

postponed to spring/summer 2021


Given the current situation and restrictions in connection with COVID-19 it has been decided to postpone the closing conference of SPP 1685 to spring or early summer 2021.

Futher information coming soon!







"Die Rolle von Phosphor in Wäldern"

Fokus topic in journal "AFZ-DerWald" (03/2020)


In the current issue of the journal "AFZ-Der Wald" (2020/3) four articles with the focus on phosphorus in forests have been published.The articles, written in German language, deal with different aspects of phosphorus nutrition in forest ecosystems and present selected results from the SPP 1685.

The following Artiekl articles have been published:
1. Die Phosphorversorgung der Rotbuche
    Ulrike Talkner, Dan Paul Zederer

2. Wie Buchenwälder auch mit wenig Phosphor auskommen
  Jaane Krüger, Cornelia Herschbach, Jörg Niederberger, Friederike Lang

3. Wo der Phosphormangel droht
    Heike Puhlmann, Jakob Sohrt, Michael Rinderer, Jörg Prietzel, Jaane Krüger, Friederike       Lang

4. Der Wald als Ratgeber für die Landwirtschaft?
     Friederike Lang, Jörg Niederberger, Hans-Peter Dietrich

If you have interest in one of the Artiekl write an email!


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Dates & Events


Jahrestagung der Deutschen Bodenkundlichen Gesellschaft (DBG) 2022

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September 3 - 10, 2022
Trier (Germany)


Thema der Tagung:
"Grenzen überwinden, Skalen überschreiten"

Weitere Informationen sind hier verfügbar.


FowiTa 2021


September 13 - 16, 2021
Weihenstephan (Germany)  ONLINE EVENT


Wald: Wie weiter?



Die geplanten Schwerpunktthemen sind:

1. Wald, Politik und Gesellschaft
2. Klimawandel und Wald
3. Biodiversität und Schutz der Lebensgrundlagen
4. Holz: Zukunftsressource der Bioökonomie
5. Steuerung von Waldökosystemen
6. Boden, Wasser, Stoffkreisläufe
7. Arbeitsplatz Wald
8. Open Topic (Grenzgänger-Themen)

Bereits angenommene Sessions bleiben akzeptiert, der Aufruf zur Einreichung von Sessions wird im November wiedereröffnet und kann von den Autoren bis zum 28. Februar 2021 editiert werden, um neue Forschungsergebnisse zu berücksichtigen. Weitere Informationen zur Tagung finden Sie hier.


SPP 1685 Closing Conference 2021


October 25 - 28,  2021
Freiburg, (Germany)

New Approaches to Ecosystem Nutrition - Phosphorus and Beyond

The ecological paradigm of the ‘whole being more than the sum of its parts’ is widely accepted as one of the most fascinating properties of ecosystems. Yet the emergence of nutrient dynamics within ecosystems is rarely addressed.
Join us for the second “Ecosystem Nutrition” conference, the closing event of the DFG Priority Program SPP 1685 which has a special focus on the phosphorus nutrition of forest ecosystems.
The goal of the conference is to broaden approaches of plant nutrition to explore nutrient related processes at the scale of ecosystems.


During the conference we will link key findings from SPP 1685 to studies addressing also other nutrients (e.g., nitrogen and potassium).
Contributions on the processes of ecosystem nutrition, on methodological innovations, new experimental approaches, methods and concepts are highly appreciated.

Important dates:

April 15, 2021: Registration opens

July 1, 2021: Deadline abstract submission

July 30, 2021: Notification of acceptance

September 1, 2021: Deadline registration

For further information please downlad the Flyer or see here.


Workshop - Water and nutrient fluxes in ecosystems under a changing climate: a tracer-based perspective


November 4 - 6, 2020   Postponed to 2021!
Heidelberg, (Germany)

Workshop Scope

This workshop aims at bringing together hydrologists, soil scientists and ecosystem physiologists who study water and nutrient fluxes in diverse ecosystems using isotope and environmental tracers to better understand the biogeochemical processes and residence times along pathways of the soil-plant-atmosphere continuum.Workshop Scope

Deadline abstract submission: Will be announced as soon as possible.

For further information please downlad the Flyer .

Webpage: www.eco-tracer.uni-freiburg.de


BIOGEOMON 2020 2022 (again postponed)


June 22 - 30, 2022 (tentative)
Tartu (Estonia)

10th International Symposium on Ecosystem Behavior

Due to the Covid-19 pandemic, the organizing committee and the international scientific committee have decided to postpone the conference from summer 2020 to summer 2022.

The focus of BIOGEOMON is on the biogeochemistry of forest and natural ecosystems as influenced by anthropogenic and environmental factors. We invite empirical and modeling studies on fluxes and processes related to the turnover of major and trace elements at the ecosystem, watershed, landscape, and global scale.


1   Nutrient fluxes at catchment level
2   Integration of terrestrial and aquatic carbon fluxes across the landscape
3   Biogeochemistry of lakes and rivers
4   Biogeochemistry of natural and constructed wetlands
5   Remote sensing for modeling of biogeochemical fluxes
6   Fluxes between atmosphere & ecosystems
7   Aerosols and VOCs in ecosystem functioning
8   Methane & nitrous oxide fluxes from trees
9   Biodiversity issues of ecosystem behavior
10 Biogeochemistry of trace elements and micropollutants in ecosystems
11 Soil and microbial processes
12 Ecosystem restoration and rehabilitation
13 Peatland processes

Abstracts (re)submission will open November 2021, tentative time for closing March 1, 2022.

It is possible to use abstracts that were sent for the 2020 version, but it is highly recommended to send a new one.

For further information see: https://sisu.ut.ee/biogeomon2020



New Publications








Siegenthaler, M.B., Ramoneda, J., Frossard, E., ´Eva Mészáros, E.: Microbial community responses to phosphorus and nitrogen inputs in the organic soil horizons of two contrasting temperate beech forests. Applied Soil Ecology, Vol. 172, Article 104357(2022). doi:10.1016/j.apsoil.2021.104357






Schmitt, M., Jarosch, K.A., Hertel, R., Spielvogel, S., Dippold, M.A., Loeppmann, S.: Manufacturing triple-isotopically labeled microbial necromass to track C, N and P cycles in terrestrial ecosystems. Applied Soil Ecology, Vol. 171, Article 104322 (2022). doi:10.1016/j.apsoil.2021.104322






Ma, X., Zhu, B., Nie, Y., Liu, Y., Kuzyakov, Y.: Root and mycorrhizal strategies for nutrient acquisition in forests under nitrogen deposition: A meta-analysis. Soil Biology and Biochemistry, Vol. 163, Article 108418 (2021). doi:10.1016/j.soilbio.2021.108418



Cover_Biology_and _Fertility_of_soils



Clausing, S., Likulunga, L.E.,  Janz, D., Feng, H.Y.,  Schneider, S., Daniel, R., Krüger, J., Lang, F., Polle; A.: Impact of nitrogen and phosphorus addition on resident soil and root mycobiomes in beech forests, Biology and Fertility of Soils (2021). doi:10.1007/s00374-021-01593-x






Pastore, G., Weig, A.R., Vazquez, E., Spohn, M.: Weathering of calcareous bedrocks is strongly affected by the activity of soil microorganisms, Geoderma, 405, 115408 (2021). doi:10.1016/j.geoderma.2021.115408






Ganta, P.G.,  Morshedizad, M., Kühn, O, Leinweber, P., Ahmed, A.A.: The Binding of Phosphorus Species at Goethite: A Joint Experimental and Theoretical Study. Minerals, 11(3), 323 (2021). doi: 10.3390/min11030323






Lang, F., Krüger, J., Kaiser, K., Bol, R., Loeppmann, S.: Editorial: Changes in Forest Ecosystem Nutrition. Frontiers in Forest and Global Change, Vol. 3, Article 752063 (2021). doi: 10.3389/ffgc.2021.752063






Michas, A., Pastore, G., Chiba, A., Grafe, M., Clausing, S, Polle, A., Schloter, M., Spohn, M., Schulz, S.: Phosphorus Availability Alters the Effect of Tree Girdling on the Diversity of Phosphorus Solubilizing Soil Bacterial Communities in Temperate Beech Forests. Frontiers in Forest and Global Change, Vol. 4, Article 696983 (2021). doi.org/10.3389/ffgc.2021.696983






Fetzer, J., Loeppmann, S., Frossard, E., Manzoor, A., Brödlin, D., Kaiser, K., Hagedorn, F.: Leaching of Phosphomonoesterase Activities in Beech Forest Soils: Consequences for Phosphorus Forms and Mobility. Frontiers in Forest and Global Change, Vol. 4, Article 684069 (2021). doi.org/10.3389/ffgc.2021.684069






Gerhard, L.,  Puhlmann, H., Vogt, M., Luster, J.: Phosphorus Leaching From Naturally Structured Forest Soils Is More Affected by Soil Properties Than by Drying and Rewetting. Frontiers in Forest and Global Change, Vol. 3, Article 577364 (2021). doi: 10.3389/ffgc.2021.543037






Wang, L., Amelung, W., Willbold, S.: 18O Isotope Labeling Combined with 31P Nuclear Magnetic Resonance Spectroscopy for Accurate Quantification of Hydrolyzable Phosphorus Species in Environmental Samples. Analytical Chemistry, 93, Vol. 4, 2018–2025 (2021). doi: 10.1021/acs.analchem.0c03379






Konrad, A., Billiy, B., Regenbogen, P., Bol, R., Lang, F., Klumpp, E., Siemens, J.: Forest soil colloids enhance delivery of phosphorus into a Diffusive Gradient in Thin films (DGT) sink. Frontiers in Forest and Global Change, Vol. 3, Article 577364 (2021). doi: 10.3389/ffgc.2020.577364






Rinderer, M., Krüger, J., Lang, F., Puhlmann, H., Weiler, M.: Subsurface flow and phosphorus dynamics in beech forest hillslopes during sprinkling experiments: How fast is phosphorus replenished? Biogeosciences, 18, 1009-1027 (2021). doi: 10.5194/bg-18-1009-2021






Ganta, P.G., Kühn, O, Ahmed, A.A.: Ab Initio Molecular Dynamics Simulations of the Interaction between Organic Phosphates and Goethite. Molecules, 26, Article 160 (2021). doi: 10.3390/molecules26010160






Schack-Kirchner, H., Löw, C.A., Lang, F.: The Cumulative Amount of Exuded Citrate Controls Its Efficiency to Mobilize Soil Phosphorus. Frontiers in Forest and Global Change, Vol. 3, Article 550884 (2020). doi: 10.3389/ffgc.2020.550884






Clausing, S., Pena, R., Song, B., Müller, K., Mayer‐Gruner, P.,  Marhan, S., Grafe, M., Schulz, S., Krüger, J., Lang, F., Schloter, M., Kandeler, E., Polle, A.: Carbohydrate depletion in roots impedes phosphorus nutrition in young forest trees. New Phytologist, 229 (5), 2611-2624 (2021). doi: 10.1111/nph.17058






Pastore, G., Kernchen, S., Spohn, M.: Microbial solubilization of silicon and phosphorus from bedrock in relation to abundance of phosphorus-solubilizing bacteria in temperate forest soils. Soil Biology and Biochemistry, 151, Article 108050 (2020). doi: 10.1016/j.soilbio.2020.108050






Yu, L., Ahrens, B., Wutzler, T., Zaehle, S., Schrumpf, M.: Modeling Soil Responses to Nitrogen and Phosphorus Fertilization Along a Soil Phosphorus Stock Gradient. Frontiers in Forest and Global Change, Vol. 3, Article 543112 (2020). doi: 10.3389/ffgc.2020.543112






Rodionov, A., Bauke, S.L., von Sperber, C., Hoeschen, C., Kandeler, K., Kruse, J., Lewandowski, H., Marhan, S., Mueller, C.W., Simon, M., Tamburini, F., Uhlig, D., von Blanckenburg, F., Lang, F., Amelung, W.: Biogeochemical cycling of phosphorus in subsoils of temperate forest ecosystems. Biogeochemistry, available online (2020). doi: 10.1007/s10533-020-00700-8






Pistocchi, C., Mészáros, É., Frossard, E., Bünemann-König, E., Tamburini, F.: In or out of equilibrium? How microbial activity controls the oxygen isotopic composition of phosphate in forest organic horizons with low and high phosphorus availability. Frontiers in Environmental Science, Vol. 8, Article 564778 (2020). doi: 10.3389/fenvs.2020.564778





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