Shrunk coexistence: cattle exclusion and nutrient addition intensify competition between native and exotic grasses with low phenological overlap

Autores
Silvoso, María Celeste; Tognetti, Pedro Maximiliano; Armas, Cristina; Casanoves, Fernando; Graff, Barbara Pamela
Año de publicación
2025
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Exotic plants are becoming increasingly common worldwide, often driven by ecological factors such as domestic livestock grazing and soil fertilization. In temperate grasslands, native C4 and exotic C3 grasses are generally expected to coexist due to their distinct temporal niches, which should reduce direct competition. However, their differing abilities to exploit limited resources or tolerate vertebrate herbivory can create fitness imbalances, favoring exotic forage species over native species and potentially undermining their long-term coexistence. Few studies have explored how seasonally distinct groups of native and exotic plants interact, especially under the simultaneous manipulation of biotic factors – such as grazing and species interactions – and abiotic factors – such as soil nutrients. We conducted short- and long-term manipulative experiments in a temperate Pampa grassland in Argentina to investigate how herbivore exclusion, fertilization, and their combination influence plant invasion by altering interactions between native warm-season (C4) and exotic cool-season (C3) grasses. Despite their phenological differences, native C4 and exotic C3 grasses interact, and their interactions were weak under grazing. However, with herbivore exclusion and nutrient addition, interactions shifted towards strong competition, particularly in spring. This competition resulted in a slight increase in exotic grass cover over natives after two years. However, fourteen years after the onset of the long-term herbivore exclusion, exotic grasses, particularly Festuca arundinacea, had become dominant, suggesting potential risks to the coexistence of native and exotic species. Our study uniquely reveals that even when niche differentiation is expected to prevent direct competition, biotic and abiotic changes can trigger interactions that favour exotic species' dominance, challenging assumptions about the stability of coexistence between phenologically distinct grasses.
EEA Cesáreo Naredo
Fil: Silvoso, María Celeste. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina
Fil: Silvoso, María Celeste. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina
Fil: Silvoso, María Celeste. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina
Fil: Tognetti, Pedro Maximiliano. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina
Fil: Armas, Cristina. Consejo Superior de Investigaciones Científicas. Estación Experimental de Zonas Áridas; España
Fil: Casanoves, Fernando. Centro Agronómico Tropical de Investigación y Enseñanza (CATIE); Costa Rica
Fil: Casanoves, Fernando. Universidad de La Amazonia. Facultad de Ciencias Agropecuarias. Doctorado en Ciencias Naturales y Desarrollo Sustentable; Colombia
Fil: Graff, Barbara Pamela. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina
Fil: Graff, Barbara Pamela. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología vinculadas a la Agricultura; Argentina
Fil: Graff, Barbara Pamela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Cesáreo Naredo. Agencia de Extensión Rural Coronel Suárez; Argentina
Fuente
Oikos : e11211. (First published: 08 June 2025)
Materia
Pastizales
Gramíneas
Alimentación de los Animales
Ganado Bovino
Aplicación de Abonos
Pastoreo
Pastures
Grasses
Animal Feeding
Cattle
Fertilizer Application
Grazing
Nivel de accesibilidad
acceso restringido
Condiciones de uso
http://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
INTA Digital (INTA)
Institución
Instituto Nacional de Tecnología Agropecuaria
OAI Identificador
oai:localhost:20.500.12123/22655
Acceder
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oai_identifier_str oai:localhost:20.500.12123/22655
network_acronym_str INTADig
repository_id_str l
network_name_str INTA Digital (INTA)
spelling Shrunk coexistence: cattle exclusion and nutrient addition intensify competition between native and exotic grasses with low phenological overlapSilvoso, María CelesteTognetti, Pedro MaximilianoArmas, CristinaCasanoves, FernandoGraff, Barbara PamelaPastizalesGramíneasAlimentación de los AnimalesGanado BovinoAplicación de AbonosPastoreoPasturesGrassesAnimal FeedingCattleFertilizer ApplicationGrazingExotic plants are becoming increasingly common worldwide, often driven by ecological factors such as domestic livestock grazing and soil fertilization. In temperate grasslands, native C4 and exotic C3 grasses are generally expected to coexist due to their distinct temporal niches, which should reduce direct competition. However, their differing abilities to exploit limited resources or tolerate vertebrate herbivory can create fitness imbalances, favoring exotic forage species over native species and potentially undermining their long-term coexistence. Few studies have explored how seasonally distinct groups of native and exotic plants interact, especially under the simultaneous manipulation of biotic factors – such as grazing and species interactions – and abiotic factors – such as soil nutrients. We conducted short- and long-term manipulative experiments in a temperate Pampa grassland in Argentina to investigate how herbivore exclusion, fertilization, and their combination influence plant invasion by altering interactions between native warm-season (C4) and exotic cool-season (C3) grasses. Despite their phenological differences, native C4 and exotic C3 grasses interact, and their interactions were weak under grazing. However, with herbivore exclusion and nutrient addition, interactions shifted towards strong competition, particularly in spring. This competition resulted in a slight increase in exotic grass cover over natives after two years. However, fourteen years after the onset of the long-term herbivore exclusion, exotic grasses, particularly Festuca arundinacea, had become dominant, suggesting potential risks to the coexistence of native and exotic species. Our study uniquely reveals that even when niche differentiation is expected to prevent direct competition, biotic and abiotic changes can trigger interactions that favour exotic species' dominance, challenging assumptions about the stability of coexistence between phenologically distinct grasses.EEA Cesáreo NaredoFil: Silvoso, María Celeste. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; ArgentinaFil: Silvoso, María Celeste. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; ArgentinaFil: Silvoso, María Celeste. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; ArgentinaFil: Tognetti, Pedro Maximiliano. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; ArgentinaFil: Armas, Cristina. Consejo Superior de Investigaciones Científicas. Estación Experimental de Zonas Áridas; EspañaFil: Casanoves, Fernando. Centro Agronómico Tropical de Investigación y Enseñanza (CATIE); Costa RicaFil: Casanoves, Fernando. Universidad de La Amazonia. Facultad de Ciencias Agropecuarias. Doctorado en Ciencias Naturales y Desarrollo Sustentable; ColombiaFil: Graff, Barbara Pamela. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; ArgentinaFil: Graff, Barbara Pamela. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología vinculadas a la Agricultura; ArgentinaFil: Graff, Barbara Pamela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Cesáreo Naredo. Agencia de Extensión Rural Coronel Suárez; ArgentinaWiley2025-06-12T12:06:29Z2025-06-12T12:06:29Z2025-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12123/22655https://nsojournals.onlinelibrary.wiley.com/doi/10.1002/oik.112110030-12991600-0706https://doi.org/10.1002/oik.11211Oikos : e11211. (First published: 08 June 2025)reponame:INTA Digital (INTA)instname:Instituto Nacional de Tecnología Agropecuariaenginfo:eu-repo/semantics/restrictedAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)2025-10-23T11:19:35Zoai:localhost:20.500.12123/22655instacron:INTAInstitucionalhttp://repositorio.inta.gob.ar/Organismo científico-tecnológicoNo correspondehttp://repositorio.inta.gob.ar/oai/requesttripaldi.nicolas@inta.gob.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:l2025-10-23 11:19:35.398INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuariafalse
dc.title.none.fl_str_mv Shrunk coexistence: cattle exclusion and nutrient addition intensify competition between native and exotic grasses with low phenological overlap
title Shrunk coexistence: cattle exclusion and nutrient addition intensify competition between native and exotic grasses with low phenological overlap
spellingShingle Shrunk coexistence: cattle exclusion and nutrient addition intensify competition between native and exotic grasses with low phenological overlap
Silvoso, María Celeste
Pastizales
Gramíneas
Alimentación de los Animales
Ganado Bovino
Aplicación de Abonos
Pastoreo
Pastures
Grasses
Animal Feeding
Cattle
Fertilizer Application
Grazing
title_short Shrunk coexistence: cattle exclusion and nutrient addition intensify competition between native and exotic grasses with low phenological overlap
title_full Shrunk coexistence: cattle exclusion and nutrient addition intensify competition between native and exotic grasses with low phenological overlap
title_fullStr Shrunk coexistence: cattle exclusion and nutrient addition intensify competition between native and exotic grasses with low phenological overlap
title_full_unstemmed Shrunk coexistence: cattle exclusion and nutrient addition intensify competition between native and exotic grasses with low phenological overlap
title_sort Shrunk coexistence: cattle exclusion and nutrient addition intensify competition between native and exotic grasses with low phenological overlap
dc.creator.none.fl_str_mv Silvoso, María Celeste
Tognetti, Pedro Maximiliano
Armas, Cristina
Casanoves, Fernando
Graff, Barbara Pamela
author Silvoso, María Celeste
author_facet Silvoso, María Celeste
Tognetti, Pedro Maximiliano
Armas, Cristina
Casanoves, Fernando
Graff, Barbara Pamela
author_role author
author2 Tognetti, Pedro Maximiliano
Armas, Cristina
Casanoves, Fernando
Graff, Barbara Pamela
author2_role author
author
author
author
dc.subject.none.fl_str_mv Pastizales
Gramíneas
Alimentación de los Animales
Ganado Bovino
Aplicación de Abonos
Pastoreo
Pastures
Grasses
Animal Feeding
Cattle
Fertilizer Application
Grazing
topic Pastizales
Gramíneas
Alimentación de los Animales
Ganado Bovino
Aplicación de Abonos
Pastoreo
Pastures
Grasses
Animal Feeding
Cattle
Fertilizer Application
Grazing
dc.description.none.fl_txt_mv Exotic plants are becoming increasingly common worldwide, often driven by ecological factors such as domestic livestock grazing and soil fertilization. In temperate grasslands, native C4 and exotic C3 grasses are generally expected to coexist due to their distinct temporal niches, which should reduce direct competition. However, their differing abilities to exploit limited resources or tolerate vertebrate herbivory can create fitness imbalances, favoring exotic forage species over native species and potentially undermining their long-term coexistence. Few studies have explored how seasonally distinct groups of native and exotic plants interact, especially under the simultaneous manipulation of biotic factors – such as grazing and species interactions – and abiotic factors – such as soil nutrients. We conducted short- and long-term manipulative experiments in a temperate Pampa grassland in Argentina to investigate how herbivore exclusion, fertilization, and their combination influence plant invasion by altering interactions between native warm-season (C4) and exotic cool-season (C3) grasses. Despite their phenological differences, native C4 and exotic C3 grasses interact, and their interactions were weak under grazing. However, with herbivore exclusion and nutrient addition, interactions shifted towards strong competition, particularly in spring. This competition resulted in a slight increase in exotic grass cover over natives after two years. However, fourteen years after the onset of the long-term herbivore exclusion, exotic grasses, particularly Festuca arundinacea, had become dominant, suggesting potential risks to the coexistence of native and exotic species. Our study uniquely reveals that even when niche differentiation is expected to prevent direct competition, biotic and abiotic changes can trigger interactions that favour exotic species' dominance, challenging assumptions about the stability of coexistence between phenologically distinct grasses.
EEA Cesáreo Naredo
Fil: Silvoso, María Celeste. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina
Fil: Silvoso, María Celeste. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina
Fil: Silvoso, María Celeste. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina
Fil: Tognetti, Pedro Maximiliano. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina
Fil: Armas, Cristina. Consejo Superior de Investigaciones Científicas. Estación Experimental de Zonas Áridas; España
Fil: Casanoves, Fernando. Centro Agronómico Tropical de Investigación y Enseñanza (CATIE); Costa Rica
Fil: Casanoves, Fernando. Universidad de La Amazonia. Facultad de Ciencias Agropecuarias. Doctorado en Ciencias Naturales y Desarrollo Sustentable; Colombia
Fil: Graff, Barbara Pamela. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones de Fisiología y Ecología Vinculadas a la Agricultura; Argentina
Fil: Graff, Barbara Pamela. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigaciones de Fisiología y Ecología vinculadas a la Agricultura; Argentina
Fil: Graff, Barbara Pamela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Cesáreo Naredo. Agencia de Extensión Rural Coronel Suárez; Argentina
description Exotic plants are becoming increasingly common worldwide, often driven by ecological factors such as domestic livestock grazing and soil fertilization. In temperate grasslands, native C4 and exotic C3 grasses are generally expected to coexist due to their distinct temporal niches, which should reduce direct competition. However, their differing abilities to exploit limited resources or tolerate vertebrate herbivory can create fitness imbalances, favoring exotic forage species over native species and potentially undermining their long-term coexistence. Few studies have explored how seasonally distinct groups of native and exotic plants interact, especially under the simultaneous manipulation of biotic factors – such as grazing and species interactions – and abiotic factors – such as soil nutrients. We conducted short- and long-term manipulative experiments in a temperate Pampa grassland in Argentina to investigate how herbivore exclusion, fertilization, and their combination influence plant invasion by altering interactions between native warm-season (C4) and exotic cool-season (C3) grasses. Despite their phenological differences, native C4 and exotic C3 grasses interact, and their interactions were weak under grazing. However, with herbivore exclusion and nutrient addition, interactions shifted towards strong competition, particularly in spring. This competition resulted in a slight increase in exotic grass cover over natives after two years. However, fourteen years after the onset of the long-term herbivore exclusion, exotic grasses, particularly Festuca arundinacea, had become dominant, suggesting potential risks to the coexistence of native and exotic species. Our study uniquely reveals that even when niche differentiation is expected to prevent direct competition, biotic and abiotic changes can trigger interactions that favour exotic species' dominance, challenging assumptions about the stability of coexistence between phenologically distinct grasses.
publishDate 2025
dc.date.none.fl_str_mv 2025-06-12T12:06:29Z
2025-06-12T12:06:29Z
2025-06
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/20.500.12123/22655
https://nsojournals.onlinelibrary.wiley.com/doi/10.1002/oik.11211
0030-1299
1600-0706
https://doi.org/10.1002/oik.11211
url http://hdl.handle.net/20.500.12123/22655
https://nsojournals.onlinelibrary.wiley.com/doi/10.1002/oik.11211
https://doi.org/10.1002/oik.11211
identifier_str_mv 0030-1299
1600-0706
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/restrictedAccess
http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
eu_rights_str_mv restrictedAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Wiley
publisher.none.fl_str_mv Wiley
dc.source.none.fl_str_mv Oikos : e11211. (First published: 08 June 2025)
reponame:INTA Digital (INTA)
instname:Instituto Nacional de Tecnología Agropecuaria
reponame_str INTA Digital (INTA)
collection INTA Digital (INTA)
instname_str Instituto Nacional de Tecnología Agropecuaria
repository.name.fl_str_mv INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuaria
repository.mail.fl_str_mv tripaldi.nicolas@inta.gob.ar
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score 12.982451

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