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Figure: The photo shows a close-up of moss and two mushrooms in a forest, with logs of dead wood in the background

The main objectives of the project phase are:

(i) to investigate the uptake and transport of ammonium and nitrate in roots of old beech and spruce stands in relation to environmental factors and fungal community composition.

(ii) to investigate environmental and host factors as drivers of vertical and horizontal structuring of root-associated fungal communities.

As soil concentrations of ammonium and nitrates differ between exploratories and beech- and conifer-dominated stands, we plan to investigate host effects and seasonal changes in nitrate and ammonium uptake. Data on the dynamics of inorganic N compounds in relation to biogeographical and temporal fluctuations of mycorrhizal communities are necessary for a better understanding of ecosystem processes and their influence by forest management.


As previous analyses showed different influences of host trees on the composition of different fungal guilds, we plan to investigate the vertical (organic support, upper mineral soil) and biogeographical variation of ectomycorrhizal communities and other life forms (saprophytes, pathogens, endophytes) across 150 forest plots.


To test the hypothesis that ectomycorrhizal communities show stronger vertical differentiation (niche differentiation) than other fungal guilds and that ectomycorrhizal diversity, but not that of other fungal communities, correlates with root traits (morphology, nutrient concentrations).


Doc
Brandt L., Poll C., Ballauff J., Schrumpf M., Bramble D. S., Schöning I., Ulrich S., Kaiser K., Mikutta R., Mikutta C., Polle A., Kandeler E. (2024): Mineral type versus environmental filters: What shapes the composition and functions of fungal communities in the mineralosphere of forest soils? Soil Biology and Biochemistry 190: 109288. doi: 10.1016/j.soilbio.2023.109288
More information:  doi.org
Doc
Khokon A. M., Janz D., Polle A. (2023): Ectomycorrhizal diversity, taxon-specific traits and root N uptake in temperate beech forests. New Phytologist 239 (2), 739-751. doi: 10.1111/nph.18978
More information:  doi.org
Doc
Guerreiro M. A., Kleetz J., Torres M. R., Polle A., Peršoh D., Begerow D. (2022): Interaction between growth environment and host progeny shape fungal endophytic assemblages in transplanted Fagus sylvatica. Fungal Ecology 60, 101175. doi: 10.1016/j.funeco.2022.101175
More information:  doi.org
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Khokon A. M., Schneider D., Daniel R., Polle A. (2021): Soil Layers Matter: Vertical Stratification of Root-Associated Fungal Assemblages in Temperate Forests Reveals Differences in Habitat Colonization. Microorganisms 9 (10), 2131. doi: 10.3390/microorganisms9102131
More information:  doi.org
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Khokon A. M. (2021): Assembly of root-associated fungi in different soil layers and nitrogen uptake by ectomycorrhizae in temperate forests. Dissertation, University Göttingen
More information:  dx.doi.org
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Nguyen D. Q., Schneider D., Brinkmann N., Song B., Janz D., Schöning I., Daniel R., Pena R., Polle A. (2020): Soil and root nutrient chemistry structure root - associated fungal assemblages in temperate forests. Environmental Microbiology 22 (8), 3081-3095. doi: 10.1111/1462-2920.15037
More information:  doi.org
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Goldmann K., Ammerschubert S., Pena R., Polle A., Wu B.-W., Wubet T., Buscot F. (2020): Early stage root-associated fungi show a high temporal turnover, but are independent of beech progeny. Microorganisms 8 (2), 210. doi: 10.3390/microorganisms8020210
More information:  doi.org
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Triebkräfte für die Zusammensetzung von Pilzgemeinschaften an Wurzeln in temperaten Wäldern
Schröter K., Wemheuer B., Pena R., Schöning I., Ehbrecht M., Schall P., Ammer C., Daniel R., Polle A. (2019): Assembly processes of trophic guilds in the root mycobiome of temperate forests. Molecular Ecology 28 (2), 348-364. doi: 10.1111/mec.14887
More information:  doi.org
Doc
Abhängigkeit der Stickstoffaufnahme von der Baumart in der Schorfheide-Chorin
Niemeyer M. (2019): Abhängigkeit der Stickstoffaufnahme von der Baumart in der Schorfheide-Chorin. Bachelor thesis, University of Göttingen.
Doc
Interaction of plant roots and soil fungi and their effects on soil and rhizosphere enzyme activities
Song B. (2019): Interaction of plant roots and soil fungi and their effects on soil and rhizosphere enzyme activities. Dissertation, University Göttingen
Doc
Biomasse- Blattzahl- und Höhenvergleich von Rotbuchen (Fagus sylvatica L.) verschiedener Herkünfte im Biodiversitäts-Exploratorium „Schorfheide“
Hendricks J. (2018): Biomasse- Blattzahl- und Höhenvergleich von Rotbuchen (Fagus sylvatica L.) verschiedener Herkünfte im Biodiversitäts-Exploratorium „Schorfheide“. Technical report, University Göttingen
Doc
Beschreibung von EST-SSRs für die Rotbuche (Fagus sylvatica L.) und ihre Übertragbarkeit auf Fagus orientalis Lipsky, Castanea dentata Bork. und Quercus rubra L.
Burger K., Müller M., Gailing O. (2018): Characterization of EST-SSRs for European beech (Fagus sylvatica L.) and their transferability to Fagus orientalis Lipsky, Castanea dentata Bork., and Quercus rubra L. Silvae Genetica, 67 (1), 127-132. doi: 10.2478/sg-2018-0019
More information:  doi.org
Doc
Nguyen Q. D. (2018): Diversity and function of root-associated fungal communities in relation to nitrogen nutrition in temperate forests. Dissertation, University Göttingen
More information:  ediss.uni-goettingen.de
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Artenreichtum und funktionelle Merkmale von Mykorrhizagesellschaften in verschiedenen Regionen und Waldarten
Pena R., Lang C., Lohaus G., Boch S., Schall P., Schöning I., Ammer C., Fischer M., Polle A. (2017): Phylogenetic and functional traits of ectomycorrhizal assemblages in top soil from different biogeographic regions and forest types. Mycorrhiza 27 (3), 233–245. doi: 10.1007/s00572-016-0742-z
More information:  doi.org
Doc
Nguyen D. Q., Pena R., Polle A. (2017): Impact of ectomycorrhizal community composition and soil treatment on inorganic nitrogen nutrition and performance of beech (Fagus sylvatica L.) provenances. Trees - structure and function 31 (6), 1891–1904. doi: 10.1007/s00468-017-1594-7
More information:  doi.org
Doc
Biomasse- und Höhenvergleich von Rotbuchen (Fagus sylvatica L.) verschiedener Herkünfte im Biodiversitäts-Exploratorium „Schwäbische Alb“
Schäfer N. (2017): Biomasse- und Höhenvergleich von Rotbuchen (Fagus sylvatica L.) verschiedener Herkünfte im Biodiversitäts-Exploratorium „Schwäbische Alb“. Technical report, University Göttingen
Doc
Einfluss verschiedener Böden auf die Stickstoffaufnahme und Struktur von symbiontischen Wurzelpilzen bei jungen Buchen
Leberecht M., Tu J., Polle A. (2016): Acid and calcareous soils affect nitrogen nutrition and organic nitrogen uptake by beech seedlings (Fagus sylvatica L.) under drought, and their ectomycorrhizal community structure. Plant and Soil 409 (1), 143–157. doi: 10.1007/s11104-016-2956-4
More information:  doi.org
Doc
Schröter K. (2015): Functional diversity of mycorrhiza in relation to land-use changes and ecosystem functions. Dissertation, University Göttingen
More information:  ediss.uni-goettingen.de
Doc
Räumliches Muster von Ectomycorrhizagesellschaften in einem Buchenwald: Gibt es Beziehungen zwischen Pilzarten und Baumgenotyp?
Lang C., Finkeldey R., Polle A. (2013): Spatial patterns of ectomycorrhizal assemblages in a monospecific forest in relation to host tree genotype. Frontiers in Plant Science 4:103. doi: 10.3389/fpls.2013.00103
More information:  doi.org
Doc
Ektomykorrhiza-Gesellschaften im Buchenwald: Beeinflussung durch abgestorbene Wurzeln
Steckel M. (2013): Ektomykorrhiza-Gesellschaften im Buchenwald: Beeinflussung durch abgestorbene Wurzeln. Bachelor thesis, University Goettingen
Doc
The effects of management and soil disturbance on ectomycorhizzal communities in beech woodlands in Hainich National Park, Germany
Hughes D. (2012): The effects of management and soil disturbance on ectomycorhizzal communities in beech woodlands in Hainich National Park, Germany. Bachelorarbeit, Bangor University
Doc
Sind die Wurzeln der Buche (Fagus sylvatica) territorial?
Lang C., Dolynska A., Finkeldey R., Polle A. (2010): Are beech (Fagus sylvatica) roots territorial? Forest Ecology and Management 260 (7), 1212-1217. doi:10.1016/j.foreco.2010.07.014
More information:  doi.org

Project in other funding periods

Figure: The photo shows a close-up of moss and two mushrooms in a forest, with logs of dead wood in the background
ECTOMYC (Contributing project)
#Microorganisms & Fungi  #Soil Ecology  #FOX  #2023 – 2026  #2020 – 2023  #Nutrients […]
Figure: The photo shows a close-up of moss and two mushrooms in a forest, with logs of dead wood in the background
ECTOMYC (Contributing project)
#Microorganisms & Fungi  #2014 – 2017  #Nutrients […]
Figure: The photo shows a close-up of moss and two mushrooms in a forest, with logs of dead wood in the background
ECTOMYC (Contributing project)
#Microorganisms & Fungi  #2011 – 2014  #Nutrients […]

Scientific assistants

Prof. Dr. Andrea Polle
Project manager
Prof. Dr. Andrea Polle
Georg-August-Universität Göttingen
Dr. Feng Huanying
Alumni
Dr. Feng Huanying
Silke Ammerschubert
Alumni
Silke Ammerschubert
Anis Mahmud Khokon
Alumni
Anis Mahmud Khokon
Bin Song
Alumni
Bin Song
Prof. Dr. Oliver Gailing
Employee
Prof. Dr. Oliver Gailing
Georg-August-Universität Göttingen
PD Dr. Markus Müller
Employee
PD Dr. Markus Müller
Georg-August-Universität Göttingen
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