Negative effects of nitrogen override positive effects of phosphorus on grassland legumes worldwide
Fil: Tognetti, Pedro Maximiliano. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina.
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snrd:2021tognetti2024-10-16T10:23:36Z Tognetti, Pedro Maximiliano Prober, Suzanne M. Báez, Selene Chaneton, Enrique José Firn, Jennifer Risch, Anita C. Schütz, Martin Yahdjian, María Laura 2021 Fil: Tognetti, Pedro Maximiliano. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. Fil: Tognetti, Pedro Maximiliano. CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. Fil: Prober, Suzanne M. Commonwealth Scientific and Industrial Research Organisation. Land and Water. Wembley, Australia. Fil: Báez, Selene. Escuela Politécnica Nacional del Ecuador. Department of Biology. Quito, Ecuador. Fil: Chaneton, Enrique José. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. Fil: Chaneton, Enrique José. CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. Fil: Firn, Jennifer. Queensland University of Technology. School of Biological and Environmental Sciences. Centre for the Environment. Brisbane, Australia. Fil: Risch, Anita C. Institute for Forest, Snow, and Landscape Research. Community Ecology. Swiss Federal, Switzerland. Fil: Schütz, Martin. Institute for Forest, Snow, and Landscape Research. Community Ecology. Swiss Federal, Switzerland. Fil: Yahdjian, María Laura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. Fil: Yahdjian, María Laura. CONICET – Universidad de Buenos Aires. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. Anthropogenic nutrient enrichment is driving global biodiversity decline and modifying ecosystem functions. Theory suggests that plant functional types that fix atmospheric nitrogen have a competitive advantage in nitrogen-poor soils, but lose this advantage with increasing nitrogen supply. By contrast, the addition of phosphorus, potassium, and other nutrients may benefit such species in low nutrient environments by enhancing their nitrogen-fixing capacity. We present a global-scale experiment confirming these predictions for nitrogen-fixing legumes (Fabaceae) across 45 grasslands on six continents. Nitrogen addition reduced legume cover, richness, and biomass, particularly in nitrogen-poor soils, while cover of non–nitrogenfixing plants increased. The addition of phosphorous, potassium, and other nutrients enhanced legume abundance, but did not mitigate the negative effects of nitrogen addition. Increasing nitrogen supply thus has the potential to decrease the diversity and abundance of grassland legumes worldwide regardless of the availability of other nutrients, with consequences for biodiversity, food webs, ecosystem resilience, and genetic improvement of protein-rich agricultural plant species. tbls., grafs. application/pdf doi:10.1073/pnas.2023718118 issn:0027-8424 http://ri.agro.uba.ar/greenstone3/library/collection/arti/document/2021tognetti eng info:eu-repo/semantics/openAccess openAccess http://ri.agro.uba.ar/greenstone3/library/page/biblioteca#section4 Proceedings of the National Academy of Sciences of the United States of America Vol.118, n.28 e2023718118 http://www.pnas.org/ EUTROPHICATION N DEPOSITION LEGUMES FABACEAE NUTRIENT NETWORK Negative effects of nitrogen override positive effects of phosphorus on grassland legumes worldwide article info:eu-repo/semantics/article info:ar-repo/semantics/artículo publishedVersion info:eu-repo/semantics/publishedVersion |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-140 |
collection |
FAUBA Digital - Facultad de Agronomía (UBA) |
language |
Inglés |
orig_language_str_mv |
eng |
topic |
EUTROPHICATION N DEPOSITION LEGUMES FABACEAE NUTRIENT NETWORK |
spellingShingle |
EUTROPHICATION N DEPOSITION LEGUMES FABACEAE NUTRIENT NETWORK Tognetti, Pedro Maximiliano Prober, Suzanne M. Báez, Selene Chaneton, Enrique José Firn, Jennifer Risch, Anita C. Schütz, Martin Yahdjian, María Laura Negative effects of nitrogen override positive effects of phosphorus on grassland legumes worldwide |
topic_facet |
EUTROPHICATION N DEPOSITION LEGUMES FABACEAE NUTRIENT NETWORK |
description |
Fil: Tognetti, Pedro Maximiliano. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. |
format |
article Artículo Artículo publishedVersion publishedVersion |
author |
Tognetti, Pedro Maximiliano Prober, Suzanne M. Báez, Selene Chaneton, Enrique José Firn, Jennifer Risch, Anita C. Schütz, Martin Yahdjian, María Laura |
author_facet |
Tognetti, Pedro Maximiliano Prober, Suzanne M. Báez, Selene Chaneton, Enrique José Firn, Jennifer Risch, Anita C. Schütz, Martin Yahdjian, María Laura |
author_sort |
Tognetti, Pedro Maximiliano |
title |
Negative effects of nitrogen override positive effects of phosphorus on grassland legumes worldwide |
title_short |
Negative effects of nitrogen override positive effects of phosphorus on grassland legumes worldwide |
title_full |
Negative effects of nitrogen override positive effects of phosphorus on grassland legumes worldwide |
title_fullStr |
Negative effects of nitrogen override positive effects of phosphorus on grassland legumes worldwide |
title_full_unstemmed |
Negative effects of nitrogen override positive effects of phosphorus on grassland legumes worldwide |
title_sort |
negative effects of nitrogen override positive effects of phosphorus on grassland legumes worldwide |
publishDate |
2021 |
url |
http://ri.agro.uba.ar/greenstone3/library/collection/arti/document/2021tognetti |
work_keys_str_mv |
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