Outcomes of competitive interactions after a natural increment of resources: the assemblage of aphid-tending ants in northern Patagonia
- Autores
- Lescano, María Natalia; Farji Brener, Alejandro Gustavo; Gianoli, E.
- Año de publicación
- 2015
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Ant-aphid relationships provide excellent opportunities to study how changes in resource availability may affect the outcome of competitive interactions. Variations in soil fertility may affect host plant quality, with concomitant effects on aphid abundance and the amount/ quality of aphid honeydew. This may determine the intensity at which tending ants defend aphids against natural enemies and competing ants. In a shrub-steppe of northern Patagonia, aphid-infested thistles naturally grow on contrasting fertility substrates: organic waste piles of leafcutting ants (refuse dumps) and nutrient-poor steppe soils. Thistles growing on refuse dumps have much larger aphid colonies than thistles growing on steppe soils. We took advantage of the co-occurrence in the field of plants with contrasting aphid density to study the effect of natural variation in food availability (aphid density) on aphidtending ant species richness and agonistic interactions among them. Enhanced aphid density did not promote the coexistence of aphid-tending ant species. Although all ant species are potential colonizers of the study plants, thistles were often monopolized by a single ant species, regardless of aphid density. Field experiments showed that increased aphid density did not modify aggressiveness toward an intruder ant, nor the probability of coexistence between two rival ant species after the invasion of a host plant. We discuss several hypotheses to explain why increased resource availability does not necessarily reduce competitive interactions in ant-aphid relationships.
Fil: Lescano, María Natalia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche. Laboratorio de Ecotono; Argentina
Fil: Farji Brener, Alejandro Gustavo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche. Laboratorio de Ecotono; Argentina
Fil: Gianoli, E.. Universidad de Concepcion. Facultad de Cs Naturales y Oceanografia. Departamento de Botanica. Lab de Ecologia Funcional; Chile. Universidad de la Serena; Chile - Materia
-
Agressive Behaviour
Ant Communities
Competitive Interactions
Resource Availability - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/12125
Ver los metadatos del registro completo
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Outcomes of competitive interactions after a natural increment of resources: the assemblage of aphid-tending ants in northern PatagoniaLescano, María NataliaFarji Brener, Alejandro GustavoGianoli, E.Agressive BehaviourAnt CommunitiesCompetitive InteractionsResource Availabilityhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Ant-aphid relationships provide excellent opportunities to study how changes in resource availability may affect the outcome of competitive interactions. Variations in soil fertility may affect host plant quality, with concomitant effects on aphid abundance and the amount/ quality of aphid honeydew. This may determine the intensity at which tending ants defend aphids against natural enemies and competing ants. In a shrub-steppe of northern Patagonia, aphid-infested thistles naturally grow on contrasting fertility substrates: organic waste piles of leafcutting ants (refuse dumps) and nutrient-poor steppe soils. Thistles growing on refuse dumps have much larger aphid colonies than thistles growing on steppe soils. We took advantage of the co-occurrence in the field of plants with contrasting aphid density to study the effect of natural variation in food availability (aphid density) on aphidtending ant species richness and agonistic interactions among them. Enhanced aphid density did not promote the coexistence of aphid-tending ant species. Although all ant species are potential colonizers of the study plants, thistles were often monopolized by a single ant species, regardless of aphid density. Field experiments showed that increased aphid density did not modify aggressiveness toward an intruder ant, nor the probability of coexistence between two rival ant species after the invasion of a host plant. We discuss several hypotheses to explain why increased resource availability does not necessarily reduce competitive interactions in ant-aphid relationships.Fil: Lescano, María Natalia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche. Laboratorio de Ecotono; ArgentinaFil: Farji Brener, Alejandro Gustavo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche. Laboratorio de Ecotono; ArgentinaFil: Gianoli, E.. Universidad de Concepcion. Facultad de Cs Naturales y Oceanografia. Departamento de Botanica. Lab de Ecologia Funcional; Chile. Universidad de la Serena; ChileSpringer2015-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/12125Lescano, María Natalia; Farji Brener, Alejandro Gustavo; Gianoli, E.; Outcomes of competitive interactions after a natural increment of resources: the assemblage of aphid-tending ants in northern Patagonia; Springer; Insectes Sociaux; 62; 2; 5-2015; 199-2050020-18121420-9098enginfo:eu-repo/semantics/altIdentifier/doi/10.1007/s00040-015-0393-7info:eu-repo/semantics/altIdentifier/url/http://link.springer.com/article/10.1007%2Fs00040-015-0393-7info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:07:41Zoai:ri.conicet.gov.ar:11336/12125instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:07:41.881CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Outcomes of competitive interactions after a natural increment of resources: the assemblage of aphid-tending ants in northern Patagonia |
title |
Outcomes of competitive interactions after a natural increment of resources: the assemblage of aphid-tending ants in northern Patagonia |
spellingShingle |
Outcomes of competitive interactions after a natural increment of resources: the assemblage of aphid-tending ants in northern Patagonia Lescano, María Natalia Agressive Behaviour Ant Communities Competitive Interactions Resource Availability |
title_short |
Outcomes of competitive interactions after a natural increment of resources: the assemblage of aphid-tending ants in northern Patagonia |
title_full |
Outcomes of competitive interactions after a natural increment of resources: the assemblage of aphid-tending ants in northern Patagonia |
title_fullStr |
Outcomes of competitive interactions after a natural increment of resources: the assemblage of aphid-tending ants in northern Patagonia |
title_full_unstemmed |
Outcomes of competitive interactions after a natural increment of resources: the assemblage of aphid-tending ants in northern Patagonia |
title_sort |
Outcomes of competitive interactions after a natural increment of resources: the assemblage of aphid-tending ants in northern Patagonia |
dc.creator.none.fl_str_mv |
Lescano, María Natalia Farji Brener, Alejandro Gustavo Gianoli, E. |
author |
Lescano, María Natalia |
author_facet |
Lescano, María Natalia Farji Brener, Alejandro Gustavo Gianoli, E. |
author_role |
author |
author2 |
Farji Brener, Alejandro Gustavo Gianoli, E. |
author2_role |
author author |
dc.subject.none.fl_str_mv |
Agressive Behaviour Ant Communities Competitive Interactions Resource Availability |
topic |
Agressive Behaviour Ant Communities Competitive Interactions Resource Availability |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Ant-aphid relationships provide excellent opportunities to study how changes in resource availability may affect the outcome of competitive interactions. Variations in soil fertility may affect host plant quality, with concomitant effects on aphid abundance and the amount/ quality of aphid honeydew. This may determine the intensity at which tending ants defend aphids against natural enemies and competing ants. In a shrub-steppe of northern Patagonia, aphid-infested thistles naturally grow on contrasting fertility substrates: organic waste piles of leafcutting ants (refuse dumps) and nutrient-poor steppe soils. Thistles growing on refuse dumps have much larger aphid colonies than thistles growing on steppe soils. We took advantage of the co-occurrence in the field of plants with contrasting aphid density to study the effect of natural variation in food availability (aphid density) on aphidtending ant species richness and agonistic interactions among them. Enhanced aphid density did not promote the coexistence of aphid-tending ant species. Although all ant species are potential colonizers of the study plants, thistles were often monopolized by a single ant species, regardless of aphid density. Field experiments showed that increased aphid density did not modify aggressiveness toward an intruder ant, nor the probability of coexistence between two rival ant species after the invasion of a host plant. We discuss several hypotheses to explain why increased resource availability does not necessarily reduce competitive interactions in ant-aphid relationships. Fil: Lescano, María Natalia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche. Laboratorio de Ecotono; Argentina Fil: Farji Brener, Alejandro Gustavo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche. Laboratorio de Ecotono; Argentina Fil: Gianoli, E.. Universidad de Concepcion. Facultad de Cs Naturales y Oceanografia. Departamento de Botanica. Lab de Ecologia Funcional; Chile. Universidad de la Serena; Chile |
description |
Ant-aphid relationships provide excellent opportunities to study how changes in resource availability may affect the outcome of competitive interactions. Variations in soil fertility may affect host plant quality, with concomitant effects on aphid abundance and the amount/ quality of aphid honeydew. This may determine the intensity at which tending ants defend aphids against natural enemies and competing ants. In a shrub-steppe of northern Patagonia, aphid-infested thistles naturally grow on contrasting fertility substrates: organic waste piles of leafcutting ants (refuse dumps) and nutrient-poor steppe soils. Thistles growing on refuse dumps have much larger aphid colonies than thistles growing on steppe soils. We took advantage of the co-occurrence in the field of plants with contrasting aphid density to study the effect of natural variation in food availability (aphid density) on aphidtending ant species richness and agonistic interactions among them. Enhanced aphid density did not promote the coexistence of aphid-tending ant species. Although all ant species are potential colonizers of the study plants, thistles were often monopolized by a single ant species, regardless of aphid density. Field experiments showed that increased aphid density did not modify aggressiveness toward an intruder ant, nor the probability of coexistence between two rival ant species after the invasion of a host plant. We discuss several hypotheses to explain why increased resource availability does not necessarily reduce competitive interactions in ant-aphid relationships. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-05 |
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/11336/12125 Lescano, María Natalia; Farji Brener, Alejandro Gustavo; Gianoli, E.; Outcomes of competitive interactions after a natural increment of resources: the assemblage of aphid-tending ants in northern Patagonia; Springer; Insectes Sociaux; 62; 2; 5-2015; 199-205 0020-1812 1420-9098 |
url |
http://hdl.handle.net/11336/12125 |
identifier_str_mv |
Lescano, María Natalia; Farji Brener, Alejandro Gustavo; Gianoli, E.; Outcomes of competitive interactions after a natural increment of resources: the assemblage of aphid-tending ants in northern Patagonia; Springer; Insectes Sociaux; 62; 2; 5-2015; 199-205 0020-1812 1420-9098 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1007/s00040-015-0393-7 info:eu-repo/semantics/altIdentifier/url/http://link.springer.com/article/10.1007%2Fs00040-015-0393-7 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Springer |
publisher.none.fl_str_mv |
Springer |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1844613939994820608 |
score |
13.070432 |