Abstract
Plant diversity effects on community productivity often increase over time. Whether the strengthening of diversity effects is caused by temporal shifts in species-level overyielding (i.e., higher species-level productivity in diverse communities compared with monocultures) remains unclear. Here, using data from 65 grassland and forest biodiversity experiments, we show that the temporal strength of diversity effects at the community scale is underpinned by temporal changes in the species that yield. These temporal trends of species-level overyielding are shaped by plant ecological strategies, which can be quantitatively delimited by functional traits. In grasslands, the temporal strengthening of biodiversity effects on community productivity was associated with increasing biomass overyielding of resource-conservative species increasing over time, and with overyielding of species characterized by fast resource acquisition either decreasing or increasing. In forests, temporal trends in species overyielding differ when considering above- versus belowground resource acquisition strategies. Overyielding in stem growth decreased for species with high light capture capacity but increased for those with high soil resource acquisition capacity. Our results imply that a diversity of species with different, and potentially complementary, ecological strategies is beneficial for maintaining community productivity over time in both grassland and forest ecosystems.
| Original language | English |
|---|---|
| Article number | 2078 |
| Number of pages | 14 |
| Journal | Nature Communications |
| Volume | 15 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 7 Mar 2024 |
Bibliographical note
Publisher Copyright:© The Author(s) 2024.
Funding
This study was supported by the State Key Program of the National Natural Science Foundation of China (no. 32030068 to E.Y.). We recognize the invaluable contributions of all the researchers who initially developed the ideas and hypotheses, and who designed the BEF experiments in this study, maintained them, and ensured their regular measurements. We thank the platform provided by the TreeDivNet ( https://www.treedivnet.ugent.be ). We thank the Synthesis Centre of the German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig (DFG FZT 118). The Jena and MyDiv experiments in this study were supported by the German Research Foundation (Jena Experiment: FOR 456, FOR 1451, FOR 5000; MyDiv: DFG–FZT; Ei 862/29-1). The Cedar Creek biodiversity experiments were supported by the NSF Cedar Creek Long-Term Ecological Research grant (DEB: 1831944) and the NSF ASCEND Biology Integration Institute (DBI:2021898). The Lanta_drt and Lanta_nutr experiments (led by V. L. and J.D.) were supported by the Czech Academy of Sciences (23-07533S, 24-11954S, RVO 67985939). The Wageningen Biodiversity Experiment was partly supported by a grant from the Dutch Organisation for Scientific Research (NWO) within the framework of the Biodiversity Program. The BIOTREE experiment has been established by the Max-Planck-Institute for Biogeochemistry Jena, Germany, and received funding through the Chair of Geobotany, Faculty of Biology, University of Freiburg, and a grant by the German Research Foundation (no. 439223434 to M.S.-L.; for data collection in 2019). We thank Prof. Dr. E. D. Schulze for initiating and supporting this project; and D. Mackensen and K. Hahner (Federal Forestry Office Thüringer Wald – Bundesforstamt Thüringer Wald, Bad Salzungen) for their support and BIOTREE site maintenance. The Kreinitz experiment is a cooperative research project funded by the Helmholtz-Centre for Environmental Research—UFZ. The EFForTS-project was funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – project ID 192626868 – SFB 990. The B-Tree set-up was funded by the University of Natural Resources and Life Sciences, Vienna. B-tree was supported by the BiodivERsA3 and BiodivClim ERA-Net COFOUND program (Dr. Forest, MixForChange), and with the funding organization Österreichischer Wissenschaftsfonds [grant numbers I 4372-B, I 50086-B]. BR and DLG were supported by the EU Horizon project Excellentia [no. 101087262]. We thank the Sardinian Forest Authority “Forestas” for hosting the IDENT-Macomer experiment and contributing to its establishment and management. IDENT-Freiburg has been financially supported by the University of Freiburg, including a grant to M.S.-L. from the “Innovationsfonds Forschung”. IDENT sites in North-America were supported by the National Research and Engineering Council of Canada. BiodiversiTREE has been supported by the Smithsonian Institution and the US National Science Foundation (NSF DEB 2044406 & Macrosystems 2106014). The Ridgefield was instigated thanks to the award of an Australian Research Council Laureate Fellowship (FL0992007) to R.J.H. The Sardinilla experiment benefited from the support of the National Research and Engineering Council of Canada, a Canada Research Chair (Tier 1) to C.Potvin and from the Smithsonian Tropical Research Institute. We thank D. Binkley, A. Weigelt and W. Weisser for contributing data, and H.Y.H. Chen, I. Ibáñez, D. He, and K. Zhu for helping with data analysis, and thank T.F. Au for editorial comments. We also thank Takehiro Sasaki and the other reviewers for their comments on the improvement of the manuscript. This study was supported by the State Key Program of the National Natural Science Foundation of China (no. 32030068 to E.Y.). We recognize the invaluable contributions of all the researchers who initially developed the ideas and hypotheses, and who designed the BEF experiments in this study, maintained them, and ensured their regular measurements. We thank the platform provided by the TreeDivNet (https://www.treedivnet.ugent.be). We thank the Synthesis Centre of the German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig (DFG FZT 118). The Jena and MyDiv experiments in this study were supported by the German Research Foundation (Jena Experiment: FOR 456, FOR 1451, FOR 5000; MyDiv: DFG–FZT; Ei 862/29-1). The Cedar Creek biodiversity experiments were supported by the NSF Cedar Creek Long-Term Ecological Research grant (DEB: 1831944) and the NSF ASCEND Biology Integration Institute (DBI:2021898). The Lanta_drt and Lanta_nutr experiments (led by V. L. and J.D.) were supported by the Czech Academy of Sciences (23-07533S, 24-11954S, RVO 67985939). The Wageningen Biodiversity Experiment was partly supported by a grant from the Dutch Organisation for Scientific Research (NWO) within the framework of the Biodiversity Program. The BIOTREE experiment has been established by the Max-Planck-Institute for Biogeochemistry Jena, Germany, and received funding through the Chair of Geobotany, Faculty of Biology, University of Freiburg, and a grant by the German Research Foundation (no. 439223434 to M.S.-L.; for data collection in 2019). We thank Prof. Dr. E. D. Schulze for initiating and supporting this project; and D. Mackensen and K. Hahner (Federal Forestry Office Thüringer Wald – Bundesforstamt Thüringer Wald, Bad Salzungen) for their support and BIOTREE site maintenance. The Kreinitz experiment is a cooperative research project funded by the Helmholtz-Centre for Environmental Research—UFZ. The EFForTS-project was funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – project ID 192626868 – SFB 990. The B-Tree set-up was funded by the University of Natural Resources and Life Sciences, Vienna. B-tree was supported by the BiodivERsA3 and BiodivClim ERA-Net COFOUND program (Dr. Forest, MixForChange), and with the funding organization Österreichischer Wissenschaftsfonds [grant numbers I 4372-B, I 50086-B]. BR and DLG were supported by the EU Horizon project Excellentia [no. 101087262]. We thank the Sardinian Forest Authority “Forestas” for hosting the IDENT-Macomer experiment and contributing to its establishment and management. IDENT-Freiburg has been financially supported by the University of Freiburg, including a grant to M.S.-L. from the “Innovationsfonds Forschung”. IDENT sites in North-America were supported by the National Research and Engineering Council of Canada. BiodiversiTREE has been supported by the Smithsonian Institution and the US National Science Foundation (NSF DEB 2044406 & Macrosystems 2106014). The Ridgefield was instigated thanks to the award of an Australian Research Council Laureate Fellowship (FL0992007) to R.J.H. The Sardinilla experiment benefited from the support of the National Research and Engineering Council of Canada, a Canada Research Chair (Tier 1) to C.Potvin and from the Smithsonian Tropical Research Institute. We thank D. Binkley, A. Weigelt and W. Weisser for contributing data, and H.Y.H. Chen, I. Ibáñez, D. He, and K. Zhu for helping with data analysis, and thank T.F. Au for editorial comments. We also thank Takehiro Sasaki and the other reviewers for their comments on the improvement of the manuscript.
| Funders | Funder number |
|---|---|
| EU Horizon project Excellentia | 101087262 |
| Federal Forestry Office Thüringer Wald – Bundesforstamt Thüringer Wald, Bad Salzungen | |
| Helmholtz-Centre for Environmental Research | |
| Innovationsfonds Forschung | |
| NSF Cedar Creek Long-Term Ecological Research | 1831944 |
| Sardinian Forest Authority | |
| Synthesis Centre of the German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig | FZT 118 |
| University of Natural Resources and Life Sciences | |
| National Science Foundation | DEB 2044406, 2106014 |
| National Science Foundation | |
| Smithsonian Institution | |
| Smithsonian Tropical Research Institute | |
| Australian Research Council | FL0992007 |
| Australian Research Council | |
| Deutsche Forschungsgemeinschaft | Ei 862/29-1, FOR 1451, 192626868 – SFB 990, FOR 456 |
| Deutsche Forschungsgemeinschaft | |
| Canada Research Chairs | |
| National Natural Science Foundation of China | 32030068 |
| National Natural Science Foundation of China | |
| Austrian Science Fund | I 4372-B |
| Austrian Science Fund | |
| Albert-Ludwigs-Universität Freiburg | 439223434 |
| Albert-Ludwigs-Universität Freiburg | |
| Canadian Network for Research and Innovation in Machining Technology, Natural Sciences and Engineering Research Council of Canada | |
| Nederlandse Organisatie voor Wetenschappelijk Onderzoek | |
| Akademie Věd České Republiky | RVO 67985939, 23-07533S, 24-11954S |
| Akademie Věd České Republiky | |
| Helmholtz-Zentrum für Umweltforschung |
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