Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Herbivores and nutrients control grassland plant diversity via light limitation
AU - Borer, Elizabeth T.
AU - Seabloom, Eric W.
AU - Gruner, Daniel S.
AU - Harpole, W. Stanley
AU - Hillebrand, Helmut
AU - Lind, Eric M.
AU - Adler, Peter B.
AU - Alberti, Juan
AU - Anderson, T. Michael
AU - Bakker, Jonathan D.
AU - Biederman, Lori
AU - Blumenthal, Dana
AU - Brown, Cynthia S.
AU - Brudvig, Lars A.
AU - Buckley, Yvonne M.
AU - Cadotte, Marc
AU - Chu, Chengjin
AU - Cleland, Elsa E.
AU - Crawley, Michael J.
AU - Daleo, Pedro
AU - Damschen, Ellen I.
AU - Davies, Kendi F.
AU - DeCrappeo, Nicole M.
AU - Du, Guozhen
AU - Firn, Jennifer
AU - Hautier, Yann
AU - Heckman, Robert W.
AU - Hector, Andy
AU - HilleRisLambers, Janneke
AU - Iribarne, Oscar
AU - Klein, Julia A.
AU - Knops, Johannes M. H.
AU - La Pierre, Kimberly J.
AU - Leakey, Andrew D. B.
AU - Li, Wei
AU - MacDougall, Andrew S.
AU - McCulley, Rebecca L.
AU - Melbourne, Brett A.
AU - Mitchell, Charles E.
AU - Moore, Joslin L.
AU - Mortensen, Brent
AU - O'Halloran, Lydia R.
AU - Orrock, John L.
AU - Pascual, Jesus
AU - Prober, Suzanne M.
AU - Pyke, David A.
AU - Risch, Anita C.
AU - Schuetz, Martin
AU - Smith, Melinda D.
AU - Stevens, Carly J.
AU - Sullivan, Lauren L.
AU - Williams, Ryan J.
AU - Wragg, Peter D.
AU - Wright, Justin P.
AU - Yang, Louie H.
PY - 2014/4/24
Y1 - 2014/4/24
N2 - Human alterations to nutrient cycles(1,2) and herbivore communities(3-7) are affecting global biodiversity dramatically(2). Ecological theory predicts these changes should be strongly counteractive: nutrient addition drives plant species loss through intensified competition for light, whereas herbivores prevent competitive exclusion by increasing ground-level light, particularly in productive systems(8,9). Here we use experimental data spanning a globally relevant range of conditions to test the hypothesis that herbaceous plant species losses caused by eutrophication may be offset by increased light availability due to herbivory. This experiment, replicated in 40 grasslands on 6 continents, demonstrates that nutrients and herbivores can serve as counteracting forces to control local plant diversity through light limitation, independent of site productivity, soil nitrogen, herbivore type and climate. Nutrient addition consistently reduced local diversity through light limitation, and herbivory rescued diversity at sites where it alleviated light limitation. Thus, species loss from anthropogenic eutrophication can be ameliorated in grasslands where herbivory increases ground-level light.
AB - Human alterations to nutrient cycles(1,2) and herbivore communities(3-7) are affecting global biodiversity dramatically(2). Ecological theory predicts these changes should be strongly counteractive: nutrient addition drives plant species loss through intensified competition for light, whereas herbivores prevent competitive exclusion by increasing ground-level light, particularly in productive systems(8,9). Here we use experimental data spanning a globally relevant range of conditions to test the hypothesis that herbaceous plant species losses caused by eutrophication may be offset by increased light availability due to herbivory. This experiment, replicated in 40 grasslands on 6 continents, demonstrates that nutrients and herbivores can serve as counteracting forces to control local plant diversity through light limitation, independent of site productivity, soil nitrogen, herbivore type and climate. Nutrient addition consistently reduced local diversity through light limitation, and herbivory rescued diversity at sites where it alleviated light limitation. Thus, species loss from anthropogenic eutrophication can be ameliorated in grasslands where herbivory increases ground-level light.
KW - SPECIES-DIVERSITY
KW - RESOURCE CONTROL
KW - COMPETITION
KW - GROWTH
KW - ENVIRONMENTS
KW - VEGETATION
KW - CONSUMER
KW - DEFENSE
KW - DEPENDS
KW - IMPACT
U2 - 10.1038/nature13144
DO - 10.1038/nature13144
M3 - Journal article
VL - 508
SP - 517
EP - 520
JO - Nature
JF - Nature
SN - 0028-0836
IS - 7497
ER -