Publication Details

Category Text Publication
Reference Category Journals
DOI 10.1073/pnas.2602893123
Licence creative commons licence
Title (Primary) Mechanistic links between coexistence, productivity, and stability in experimental grasslands
Author Hong, P.; Schmid, B.; Craven, D.; Liang, M.; Luo, M.; Wang, Z.; Yang, C.; Zhou, L.; Allan, E.; Catford, J.A.; Eisenhauer, N.; Feng, Y.; Hautier, Y.; Huang, M.; Huang, Y.; Isbell, F.; Jiang, L.; Loreau, M.; Reich, P.B.; Roscher, C.; van Ruijven, J.; Tilman, D.; Weigelt, A.; Wang, S.
Source Titel Proceedings of the National Academy of Sciences of the United States of America
Year 2026
Department iDiv; PHYDIV
Volume 123
Issue 22
Page From e2602893123
Language englisch
Topic T5 Future Landscapes
Data and Software links https://doi.org/10.6084/m9.figshare.29423798
Supplements Supplement 1
Keywords coexistence; biodiversity-ecosystem functioning; biodiversity-ecosystem stability; functional traits; phylogenetic distance
Abstract The escalating biodiversity crisis underscores the urgent need for a unified framework that links the mechanisms maintaining biodiversity to its functional consequences. However, studies of species coexistence and biodiversity effects on ecosystem functioning have largely progressed independently. Here, using long-term data from five grassland biodiversity experiments, we quantified “coexistence potential” (i.e., the degree to which niche differences exceed fitness differences) and tested its relationships with biodiversity effects on both ecosystem productivity (via complementarity and selection effects) and stability (via species asynchrony and species stability). We found that the relationships within the coexistence–productivity–stability triad were overall positive. These patterns were mechanistically explained by phylogenetic and trait composition: Phylogenetically and functionally more diverse communities supported higher coexistence potential and greater productivity, while those dominated by species with stronger root-mycorrhizal collaboration and larger seeds exhibited enhanced productivity and stability. Our work provides integrative empirical evidence linking biodiversity maintenance to ecosystem functioning, demonstrating that conserving phylogenetically and functionally diverse communities, particularly those including collaborative species, is key to sustaining biodiverse, productive, and stable ecosystems.
Hong, P., Schmid, B., Craven, D., Liang, M., Luo, M., Wang, Z., Yang, C., Zhou, L., Allan, E., Catford, J.A., Eisenhauer, N., Feng, Y., Hautier, Y., Huang, M., Huang, Y., Isbell, F., Jiang, L., Loreau, M., Reich, P.B., Roscher, C., van Ruijven, J., Tilman, D., Weigelt, A., Wang, S. (2026):
Mechanistic links between coexistence, productivity, and stability in experimental grasslands
Proc. Natl. Acad. Sci. U.S.A. 123 (22), e2602893123
10.1073/pnas.2602893123