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Journal article
Long-term nitrogen deposition reduces the diversity of nitrogen-fixing plants
Science advances, Vol.10(42), eadp7953
10/18/2024
PMID: 39423266
Web of Science ID: WOS:001352182800021
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Abstract
Biological nitrogen fixation is a fundamental part of ecosystem functioning. Anthropogenic nitrogen deposition and climate change may, however, limit the competitive advantage of nitrogen-fixing plants, leading to reduced relative diversity of nitrogen-fixing plants. Yet, assessments of changes of nitrogen-fixing plant long-term community diversity are rare. Here, we examine temporal trends in the diversity of nitrogen-fixing plants and their relationships with anthropogenic nitrogen deposition while accounting for changes in temperature and aridity. We used forest-floor vegetation resurveys of temperate forests in Europe and the United States spanning multiple decades. Nitrogen-fixer richness declined as nitrogen deposition increased over time but did not respond to changes in climate. Phylogenetic diversity also declined, as distinct lineages of N-fixers were lost between surveys, but the "winners" and "losers" among nitrogen-fixing lineages varied among study sites, suggesting that losses are context dependent. Anthropogenic nitrogen deposition reduces nitrogen-fixing plant diversity in ways that may strongly affect natural nitrogen fixation.
Details
- Title
- Long-term nitrogen deposition reduces the diversity of nitrogen-fixing plants
- Publication Details
- Science advances, Vol.10(42), eadp7953
- Resource Type
- Journal article
- Publisher
- AMER ASSOC ADVANCEMENT SCIENCE; WASHINGTON
- Number of pages
- 8
- Grant note
- Conseil Regional de la ReunionConseil Departemental de la ReunionEuropean Agricultural Fund for Rural Development (EAFRD)Centre de Cooperation Internationale en Recherche Agronomique pour le Developpement (CIRAD)Czech Academy of Sciences: RVO 67985939 Czech Science Foundation: 21- 11487S US NSF: DEB- 2316268, DEB- 2316266, DEB- 2316267 Slovak Research and Development Agency: APVV-19-0319
This work was supported by Conseil Regional de la Reunion (A.B.-S.); Conseil Departemental de la Reunion (A.B.-S.); European Agricultural Fund for Rural Development (EAFRD) (A.B.-S.); Centre de Cooperation Internationale en Recherche Agronomique pour le Developpement (CIRAD) (A.B.-S.); Czech Academy of Sciences, project RVO 67985939 (M.C., R.H., M.K., M.M., P.P., and O.V); Czech Science Foundation, grant 21- 11487S (M.C. and R.H.); US NSF, grants DEB- 2316268 (D.L.), DEB- 2316266 (R.F.), and DEB- 2316267 (R.P.G.); and Slovak Research and Development Agency, grant APVV-19-0319 (F.M.).
- Copyright
- © 2024 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science.
- Identifiers
- WOS:001352182800021; 99380580597306600
- Academic Unit
- Hal Marcus College of Science and Engineering ; Earth and Environmental Sciences
- Language
- English