Addition of multiple limiting resources reduces grassland diversity

W. Stanley Harpole, Lauren L. Sullivan, Eric M. Lind, Jennifer Firn, Peter B. Adler, Elizabeth T. Borer, Jonathan Chase, Philip A. Fay, Yann Hautier, Helmut Hillebrand, Andrew S. MacDougall, Eric W. Seabloom, Ryan Williams, Jonathan D. Bakker, Marc W. Cadotte, Enrique J. Chaneton, Chengjin Chu, Elsa E. Cleland, Carla D'Antonio, Kendi F. Davies & 13 others Daniel S. Gruner, Nicole Hagenah, Kevin P. Kirkman, Johannes M. H. Knops, Kimberly J. La Pierre, Rebecca L. McCulley, Joslin L. Moore, John W. Morgan, Suzanne M. Prober, Anita C. Risch, Martin Schuetz, Carly J. Stevens, Peter D. Wragg

Research output: Contribution to journalArticle

98 Citations (Scopus)

Abstract

Niche dimensionality provides a general theoretical explanation for biodiversity-more niches, defined by more limiting factors, allow for more ways that species can coexist. Because plant species compete for the same set of limiting resources, theory predicts that addition of a limiting resource eliminates potential trade-offs, reducing the number of species that can coexist. Multiple nutrient limitation of plant production is common and therefore fertilization may reduce diversity by reducing the number or dimensionality of belowground limiting factors. At the same time, nutrient addition, by increasing biomass, should ultimately shift competition from belowground nutrients towards a one-dimensional competitive trade-off for light. Here we show that plant species diversity decreased when a greater number of limiting nutrients were added across 45 grassland sites from a multi-continent experimental network. The number of added nutrients predicted diversity loss, even after controlling for effects of plant biomass, and even where biomass production was not nutrient-limited. We found that elevated resource supply reduced niche dimensionality and diversity and increased both productivity and compositional turnover. Our results point to the importance of understanding dimensionality in ecological systems that are undergoing diversity loss in response to multiple global change factors.

Original languageEnglish
Pages (from-to)93-96
Number of pages4
JournalNature
Volume537
Issue number7618
DOIs
Publication statusPublished - 24 Aug 2016

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Nutrients
Food
Biomass
Biodiversity
Fertilization
Ecosystem
Grassland
Productivity
Light

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Harpole, W. S., Sullivan, L. L., Lind, E. M., Firn, J., Adler, P. B., Borer, E. T., ... Wragg, P. D. (2016). Addition of multiple limiting resources reduces grassland diversity. Nature, 537(7618), 93-96. https://doi.org/10.1038/nature19324
Harpole, W. Stanley ; Sullivan, Lauren L. ; Lind, Eric M. ; Firn, Jennifer ; Adler, Peter B. ; Borer, Elizabeth T. ; Chase, Jonathan ; Fay, Philip A. ; Hautier, Yann ; Hillebrand, Helmut ; MacDougall, Andrew S. ; Seabloom, Eric W. ; Williams, Ryan ; Bakker, Jonathan D. ; Cadotte, Marc W. ; Chaneton, Enrique J. ; Chu, Chengjin ; Cleland, Elsa E. ; D'Antonio, Carla ; Davies, Kendi F. ; Gruner, Daniel S. ; Hagenah, Nicole ; Kirkman, Kevin P. ; Knops, Johannes M. H. ; La Pierre, Kimberly J. ; McCulley, Rebecca L. ; Moore, Joslin L. ; Morgan, John W. ; Prober, Suzanne M. ; Risch, Anita C. ; Schuetz, Martin ; Stevens, Carly J. ; Wragg, Peter D. / Addition of multiple limiting resources reduces grassland diversity. In: Nature. 2016 ; Vol. 537, No. 7618. pp. 93-96.
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Harpole, WS, Sullivan, LL, Lind, EM, Firn, J, Adler, PB, Borer, ET, Chase, J, Fay, PA, Hautier, Y, Hillebrand, H, MacDougall, AS, Seabloom, EW, Williams, R, Bakker, JD, Cadotte, MW, Chaneton, EJ, Chu, C, Cleland, EE, D'Antonio, C, Davies, KF, Gruner, DS, Hagenah, N, Kirkman, KP, Knops, JMH, La Pierre, KJ, McCulley, RL, Moore, JL, Morgan, JW, Prober, SM, Risch, AC, Schuetz, M, Stevens, CJ & Wragg, PD 2016, 'Addition of multiple limiting resources reduces grassland diversity' Nature, vol. 537, no. 7618, pp. 93-96. https://doi.org/10.1038/nature19324

Addition of multiple limiting resources reduces grassland diversity. / Harpole, W. Stanley; Sullivan, Lauren L.; Lind, Eric M.; Firn, Jennifer; Adler, Peter B.; Borer, Elizabeth T.; Chase, Jonathan; Fay, Philip A.; Hautier, Yann; Hillebrand, Helmut; MacDougall, Andrew S.; Seabloom, Eric W.; Williams, Ryan; Bakker, Jonathan D.; Cadotte, Marc W.; Chaneton, Enrique J.; Chu, Chengjin; Cleland, Elsa E.; D'Antonio, Carla; Davies, Kendi F.; Gruner, Daniel S.; Hagenah, Nicole; Kirkman, Kevin P.; Knops, Johannes M. H.; La Pierre, Kimberly J.; McCulley, Rebecca L.; Moore, Joslin L.; Morgan, John W.; Prober, Suzanne M.; Risch, Anita C.; Schuetz, Martin; Stevens, Carly J.; Wragg, Peter D.

In: Nature, Vol. 537, No. 7618, 24.08.2016, p. 93-96.

Research output: Contribution to journalArticle

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Harpole WS, Sullivan LL, Lind EM, Firn J, Adler PB, Borer ET et al. Addition of multiple limiting resources reduces grassland diversity. Nature. 2016 Aug 24;537(7618):93-96. https://doi.org/10.1038/nature19324