Mycorrhizal feedbacks influence global forest structure and diversity

Camille S Delavaux; Joseph A LaManna; Jonathan A Myers; Richard P Phillips; Salomón Aguilar; David Allen; Alfonso Alonso; Kristina J Anderson-Teixeira; Matthew E Baker; Jennifer L Baltzer; Pulchérie Bissiengou; Mariana Bonfim; Norman A Bourg; Warren Y Brockelman; David F R P Burslem; Li-Wan Chang; Yang Chen; Jyh-Min Chiang; Chengjin Chu; Keith Clay; Susan Cordell; Mary Cortese; Jan den Ouden; Christopher Dick; Sisira Ediriweera; Erle C Ellis; Anna Feistner; Amy L Freestone; Thomas Giambelluca; Christian P Giardina; Gregory S Gilbert; Fangliang He; Jan Holík; Robert W Howe; Walter Huaraca Huasca; Stephen P Hubbell; Faith Inman; Patrick A Jansen; Daniel J Johnson; Kamil Kral; Andrew J Larson; Creighton M Litton; James A Lutz; Yadvinder Malhi; Krista McGuire; Sean M McMahon; William J McShea; Hervé Memiaghe; Anuttara Nathalang; Natalia Norden; Vojtech Novotny; Michael J O'Brien; David A Orwig; Rebecca Ostertag; Geoffrey G 'Jess' Parker; Rolando Pérez; Glen Reynolds; Sabrina E Russo; Lawren Sack; Pavel Šamonil; I-Fang Sun; Mark E Swanson; Jill Thompson; Maria Uriarte; John Vandermeer; Xihua Wang; Ian Ware; George D Weiblen; Amy Wolf; Shu-Hui Wu; Jess K Zimmerman; Thomas Lauber; Daniel S Maynard; Thomas W Crowther; Colin Averill

doi:10.1038/s42003-023-05410-z

Mycorrhizal feedbacks influence global forest structure and diversity

Camille S Delavaux^* (Corresponding Author), Joseph A LaManna, Jonathan A Myers, Richard P Phillips, Salomón Aguilar, David Allen, Alfonso Alonso, Kristina J Anderson-Teixeira, Matthew E Baker, Jennifer L Baltzer, Pulchérie Bissiengou, Mariana Bonfim, Norman A Bourg, Warren Y Brockelman, David F R P Burslem, Li-Wan Chang, Yang Chen, Jyh-Min Chiang, Chengjin Chu, Keith ClaySusan Cordell, Mary Cortese, Jan den Ouden, Christopher Dick, Sisira Ediriweera, Erle C Ellis, Anna Feistner, Amy L Freestone, Thomas Giambelluca, Christian P Giardina, Gregory S Gilbert, Fangliang He, Jan Holík, Robert W Howe, Walter Huaraca Huasca, Stephen P Hubbell, Faith Inman, Patrick A Jansen, Daniel J Johnson, Kamil Kral, Andrew J Larson, Creighton M Litton, James A Lutz, Yadvinder Malhi, Krista McGuire, Sean M McMahon, William J McShea, Hervé Memiaghe, Anuttara Nathalang, Natalia Norden, Vojtech Novotny, Michael J O'Brien, David A Orwig, Rebecca Ostertag, Geoffrey G 'Jess' Parker, Rolando Pérez, Glen Reynolds, Sabrina E Russo, Lawren Sack, Pavel Šamonil, I-Fang Sun, Mark E Swanson, Jill Thompson, Maria Uriarte, John Vandermeer, Xihua Wang, Ian Ware, George D Weiblen, Amy Wolf, Shu-Hui Wu, Jess K Zimmerman, Thomas Lauber, Daniel S Maynard, Thomas W Crowther, Colin Averill

^*Corresponding author for this work

Aberdeen Centre For Environmental Sustainability

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

One mechanism proposed to explain high species diversity in tropical systems is strong negative conspecific density dependence (CDD), which reduces recruitment of juveniles in proximity to conspecific adult plants. Although evidence shows that plant-specific soil pathogens can drive negative CDD, trees also form key mutualisms with mycorrhizal fungi, which may counteract these effects. Across 43 large-scale forest plots worldwide, we tested whether ectomycorrhizal tree species exhibit weaker negative CDD than arbuscular mycorrhizal tree species. We further tested for conmycorrhizal density dependence (CMDD) to test for benefit from shared mutualists. We found that the strength of CDD varies systematically with mycorrhizal type, with ectomycorrhizal tree species exhibiting higher sapling densities with increasing adult densities than arbuscular mycorrhizal tree species. Moreover, we found evidence of positive CMDD for tree species of both mycorrhizal types. Collectively, these findings indicate that mycorrhizal interactions likely play a foundational role in global forest diversity patterns and structure.

Original language	English
Article number	1066
Journal	Communications Biology
Volume	6
Issue number	1
DOIs	https://doi.org/10.1038/s42003-023-05410-z
Publication status	Published - 19 Oct 2023

Bibliographical note

Acknowledgements
Funding was provided by the Swiss National Science Foundation Postdoctoral Fellowship TMPFP3_209925 (C.S.D.), Swiss National Science Foundation Ambizione PZOOP3_17990 (C.A.), US National Science Foundation grant DEB-2024903 (J.A.L.), DOB Ecology and the Bernina Foundation (T.W.C., C.S.D.). We thank everyone involved in the collection of the vast quantity of data in the ForestGEO network (see Table S5 for site-specific acknowledgments). The authors also thank James Bever for his early contributions in establishing the measurement of conmycorrhizal density dependence as well as Jenna Luecke and Chrysa Chouliara for their assistance in creating Fig. 1.

Data Availability Statement

ForestGEO plot data are not available due to data privacy and sharing restrictions, but can be obtained upon request through the ForestGEO portal: http://ctfs.si.edu/datarequest/). Other data used in the study can be found in references cited in the Methods section.

Code availability
All code used to complete analyses for the manuscript is available at the following link: https://github.com/c383d893/Fgeo_project_Tree. Data analysis were conducted and visualizations generated in R (v. 4.2.2) and the ETH Zurich Euler cluster.

Keywords

Mycorrhizae
Feedback
Symbiosis
Plants/microbiology
Soil

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Delavaux, C. S., LaManna, J. A., Myers, J. A., Phillips, R. P., Aguilar, S., Allen, D., Alonso, A., Anderson-Teixeira, K. J., Baker, M. E., Baltzer, J. L., Bissiengou, P., Bonfim, M., Bourg, N. A., Brockelman, W. Y., Burslem, D. F. R. P., Chang, L.-W., Chen, Y., Chiang, J.-M., Chu, C., ... Averill, C. (2023). Mycorrhizal feedbacks influence global forest structure and diversity. Communications Biology, 6(1), Article 1066. https://doi.org/10.1038/s42003-023-05410-z

Delavaux, CS, LaManna, JA, Myers, JA, Phillips, RP, Aguilar, S, Allen, D, Alonso, A, Anderson-Teixeira, KJ, Baker, ME, Baltzer, JL, Bissiengou, P, Bonfim, M, Bourg, NA, Brockelman, WY, Burslem, DFRP, Chang, L-W, Chen, Y, Chiang, J-M, Chu, C, Clay, K, Cordell, S, Cortese, M, den Ouden, J, Dick, C, Ediriweera, S, Ellis, EC, Feistner, A, Freestone, AL, Giambelluca, T, Giardina, CP, Gilbert, GS, He, F, Holík, J, Howe, RW, Huaraca Huasca, W, Hubbell, SP, Inman, F, Jansen, PA, Johnson, DJ, Kral, K, Larson, AJ, Litton, CM, Lutz, JA, Malhi, Y, McGuire, K, McMahon, SM, McShea, WJ, Memiaghe, H, Nathalang, A, Norden, N, Novotny, V, O'Brien, MJ, Orwig, DA, Ostertag, R, Parker, GGJ, Pérez, R, Reynolds, G, Russo, SE, Sack, L, Šamonil, P, Sun, I-F, Swanson, ME, Thompson, J, Uriarte, M, Vandermeer, J, Wang, X, Ware, I, Weiblen, GD, Wolf, A, Wu, S-H, Zimmerman, JK, Lauber, T, Maynard, DS, Crowther, TW & Averill, C 2023, 'Mycorrhizal feedbacks influence global forest structure and diversity', Communications Biology, vol. 6, no. 1, 1066. https://doi.org/10.1038/s42003-023-05410-z

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abstract = "One mechanism proposed to explain high species diversity in tropical systems is strong negative conspecific density dependence (CDD), which reduces recruitment of juveniles in proximity to conspecific adult plants. Although evidence shows that plant-specific soil pathogens can drive negative CDD, trees also form key mutualisms with mycorrhizal fungi, which may counteract these effects. Across 43 large-scale forest plots worldwide, we tested whether ectomycorrhizal tree species exhibit weaker negative CDD than arbuscular mycorrhizal tree species. We further tested for conmycorrhizal density dependence (CMDD) to test for benefit from shared mutualists. We found that the strength of CDD varies systematically with mycorrhizal type, with ectomycorrhizal tree species exhibiting higher sapling densities with increasing adult densities than arbuscular mycorrhizal tree species. Moreover, we found evidence of positive CMDD for tree species of both mycorrhizal types. Collectively, these findings indicate that mycorrhizal interactions likely play a foundational role in global forest diversity patterns and structure.",

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note = "Acknowledgements Funding was provided by the Swiss National Science Foundation Postdoctoral Fellowship TMPFP3_209925 (C.S.D.), Swiss National Science Foundation Ambizione PZOOP3_17990 (C.A.), US National Science Foundation grant DEB-2024903 (J.A.L.), DOB Ecology and the Bernina Foundation (T.W.C., C.S.D.). We thank everyone involved in the collection of the vast quantity of data in the ForestGEO network (see Table S5 for site-specific acknowledgments). The authors also thank James Bever for his early contributions in establishing the measurement of conmycorrhizal density dependence as well as Jenna Luecke and Chrysa Chouliara for their assistance in creating Fig. 1.",

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AU - Delavaux, Camille S

AU - LaManna, Joseph A

AU - Myers, Jonathan A

AU - Phillips, Richard P

AU - Aguilar, Salomón

AU - Allen, David

AU - Alonso, Alfonso

AU - Anderson-Teixeira, Kristina J

AU - Baker, Matthew E

AU - Baltzer, Jennifer L

AU - Bissiengou, Pulchérie

AU - Bonfim, Mariana

AU - Bourg, Norman A

AU - Brockelman, Warren Y

AU - Burslem, David F R P

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AU - Huaraca Huasca, Walter

AU - Hubbell, Stephen P

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AU - Jansen, Patrick A

AU - Johnson, Daniel J

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AU - Larson, Andrew J

AU - Litton, Creighton M

AU - Lutz, James A

AU - Malhi, Yadvinder

AU - McGuire, Krista

AU - McMahon, Sean M

AU - McShea, William J

AU - Memiaghe, Hervé

AU - Nathalang, Anuttara

AU - Norden, Natalia

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AU - Pérez, Rolando

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AU - Russo, Sabrina E

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AU - Sun, I-Fang

AU - Swanson, Mark E

AU - Thompson, Jill

AU - Uriarte, Maria

AU - Vandermeer, John

AU - Wang, Xihua

AU - Ware, Ian

AU - Weiblen, George D

AU - Wolf, Amy

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AU - Lauber, Thomas

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N1 - Acknowledgements Funding was provided by the Swiss National Science Foundation Postdoctoral Fellowship TMPFP3_209925 (C.S.D.), Swiss National Science Foundation Ambizione PZOOP3_17990 (C.A.), US National Science Foundation grant DEB-2024903 (J.A.L.), DOB Ecology and the Bernina Foundation (T.W.C., C.S.D.). We thank everyone involved in the collection of the vast quantity of data in the ForestGEO network (see Table S5 for site-specific acknowledgments). The authors also thank James Bever for his early contributions in establishing the measurement of conmycorrhizal density dependence as well as Jenna Luecke and Chrysa Chouliara for their assistance in creating Fig. 1.

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N2 - One mechanism proposed to explain high species diversity in tropical systems is strong negative conspecific density dependence (CDD), which reduces recruitment of juveniles in proximity to conspecific adult plants. Although evidence shows that plant-specific soil pathogens can drive negative CDD, trees also form key mutualisms with mycorrhizal fungi, which may counteract these effects. Across 43 large-scale forest plots worldwide, we tested whether ectomycorrhizal tree species exhibit weaker negative CDD than arbuscular mycorrhizal tree species. We further tested for conmycorrhizal density dependence (CMDD) to test for benefit from shared mutualists. We found that the strength of CDD varies systematically with mycorrhizal type, with ectomycorrhizal tree species exhibiting higher sapling densities with increasing adult densities than arbuscular mycorrhizal tree species. Moreover, we found evidence of positive CMDD for tree species of both mycorrhizal types. Collectively, these findings indicate that mycorrhizal interactions likely play a foundational role in global forest diversity patterns and structure.

AB - One mechanism proposed to explain high species diversity in tropical systems is strong negative conspecific density dependence (CDD), which reduces recruitment of juveniles in proximity to conspecific adult plants. Although evidence shows that plant-specific soil pathogens can drive negative CDD, trees also form key mutualisms with mycorrhizal fungi, which may counteract these effects. Across 43 large-scale forest plots worldwide, we tested whether ectomycorrhizal tree species exhibit weaker negative CDD than arbuscular mycorrhizal tree species. We further tested for conmycorrhizal density dependence (CMDD) to test for benefit from shared mutualists. We found that the strength of CDD varies systematically with mycorrhizal type, with ectomycorrhizal tree species exhibiting higher sapling densities with increasing adult densities than arbuscular mycorrhizal tree species. Moreover, we found evidence of positive CMDD for tree species of both mycorrhizal types. Collectively, these findings indicate that mycorrhizal interactions likely play a foundational role in global forest diversity patterns and structure.

KW - Mycorrhizae

KW - Feedback

KW - Symbiosis

KW - Plants/microbiology

KW - Soil

U2 - 10.1038/s42003-023-05410-z

DO - 10.1038/s42003-023-05410-z

M3 - Article

C2 - 37857800

SN - 2399-3642

VL - 6

JO - Communications Biology

JF - Communications Biology

IS - 1

M1 - 1066

ER -

Mycorrhizal feedbacks influence global forest structure and diversity

Abstract

Bibliographical note

Data Availability Statement

Keywords

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