Where are the males? The influence of bottom-up and top-down factors and sociability on the spatial distribution of a territorial ungulate
- Autores
- Panebianco, Antonella; Gregorio, Pablo Francisco; Schroeder, Natalia; Marozzi, Antonela Alejandra; Ovejero Aguilar, Ramiro Jose Antonio; Heidel, Lara; Peña, Fiama; Leggieri, Leonardo Ramón; Taraborelli, Paula Andrea; Carmanchahi, Pablo Daniel
- Año de publicación
- 2022
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The factors that regulate the abundance and distribution of wild herbivores are key components of a species’ ecology and include bottom-up and top-down mechanisms, as well as aspects related to social organization. In territorial ungulates, males distribute themselves to enhance access to females by anticipating how resources will influence female distribution. Although the variables that influence the distribution of territorial males have implications for mating opportunities and reproductive success, these relationships remain largely unknown. We assessed how bottom-up, top-down and social factors influence the spatial distribution of territorial male guanacos (Lama guanicoe) in a semiarid ecosystem during three periods of the reproductive season, in a population with two alternative mating tactics: a resource-defence tactic adopted by family group males and a clustered territorial tactic adopted by solitary males. We conducted ground surveys of males from both social units and used density surface models to assess the influence of primary productivity, predation risk and female grouping on their spatial distribution. Our results showed that territorial males were more abundant in areas of increased primary productivity during the group formation period in years of good plant growth and higher number of females/female groups throughout the reproductive season, suggesting that both bottom-up and social traits regulate their spatial distribution. Predation risk did not significantly influence the abundance of territorial males. Overall, our research contributes to the understanding of territorial systems in ungulates and reinforces the current theory that bottom-up processes are relatively more important than top-down processes in regulating populations of large herbivores.
EEA Barrow
Fil: Panebianco, Antonella. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; Argentina
Fil: Panebianco, Antonella. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina
Fil: Gregorio, Pablo Francisco. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; Argentina
Fil: Gregorio, Pablo Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina
Fil: Schroeder, Natalia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas; Argentina
Fil: Schroeder, Natalia. Provincia de Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas; Argentina
Fil: Schroeder, Natalia. Universidad Nacional de Cuyo. Instituto Argentino de Investigaciones de las Zonas Áridas; Argentina
Fil: Marozzi, Antonela Alejandra. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; Argentina
Fil: Marozzi, Antonela Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina
Fil: Ovejero Aguilar, Ramiro Jose Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ecología Regional; Argentina
Fil: Ovejero Aguilar, Ramiro Jose Antonio. Universidad Nacional de Tucumán. Instituto de Ecología Regional; Argentina
Fil: Ovejero Aguilar, Ramiro Jose Antonio. Universidad Austral de Chile. Facultad de Ciencias. Instituto de Ciencias Ambientales y Evolutivas. Laboratorio de Ecología Conductual; Chile
Fil: Heidel, Lara. Wildlife Conservation Society; Argentina
Fil: Peña, Fiama. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; Argentina
Fil: Peña, Fiama. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina
Fil: Peña, Fiama. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas; Argentina
Fil: Peña, Fiama. Provincia de Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas; Argentina
Fil: Peña, Fiama. Universidad Nacional de Cuyo. Instituto Argentino de Investigaciones de las Zonas Áridas; Argentina
Fil: Leggieri, Leonardo Ramón. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; Argentina
Fil: Leggieri, Leonardo Ramón. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina
Fil: Taraborelli, Paula Andrea. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Barrow; Argentina
Fil: Taraborelli, Paula Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Carmanchahi, Pablo Daniel. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; Argentina
Fil: Carmanchahi, Pablo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina - Fuente
- Behavioral Ecology and Sociobiology 76 : article number: 10 (2022)
- Materia
-
Guanaco
Distribución Espacial
Macho
Modelos
Guanacos
Spatial Distribution
Males
Models
Lama guanicoe - Nivel de accesibilidad
- acceso restringido
- Condiciones de uso
- Repositorio
.jpg)
- Institución
- Instituto Nacional de Tecnología Agropecuaria
- OAI Identificador
- oai:localhost:20.500.12123/11320
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Where are the males? The influence of bottom-up and top-down factors and sociability on the spatial distribution of a territorial ungulatePanebianco, AntonellaGregorio, Pablo FranciscoSchroeder, NataliaMarozzi, Antonela AlejandraOvejero Aguilar, Ramiro Jose AntonioHeidel, LaraPeña, FiamaLeggieri, Leonardo RamónTaraborelli, Paula AndreaCarmanchahi, Pablo DanielGuanacoDistribución EspacialMachoModelosGuanacosSpatial DistributionMalesModelsLama guanicoeThe factors that regulate the abundance and distribution of wild herbivores are key components of a species’ ecology and include bottom-up and top-down mechanisms, as well as aspects related to social organization. In territorial ungulates, males distribute themselves to enhance access to females by anticipating how resources will influence female distribution. Although the variables that influence the distribution of territorial males have implications for mating opportunities and reproductive success, these relationships remain largely unknown. We assessed how bottom-up, top-down and social factors influence the spatial distribution of territorial male guanacos (Lama guanicoe) in a semiarid ecosystem during three periods of the reproductive season, in a population with two alternative mating tactics: a resource-defence tactic adopted by family group males and a clustered territorial tactic adopted by solitary males. We conducted ground surveys of males from both social units and used density surface models to assess the influence of primary productivity, predation risk and female grouping on their spatial distribution. Our results showed that territorial males were more abundant in areas of increased primary productivity during the group formation period in years of good plant growth and higher number of females/female groups throughout the reproductive season, suggesting that both bottom-up and social traits regulate their spatial distribution. Predation risk did not significantly influence the abundance of territorial males. Overall, our research contributes to the understanding of territorial systems in ungulates and reinforces the current theory that bottom-up processes are relatively more important than top-down processes in regulating populations of large herbivores.EEA BarrowFil: Panebianco, Antonella. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; ArgentinaFil: Panebianco, Antonella. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; ArgentinaFil: Gregorio, Pablo Francisco. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; ArgentinaFil: Gregorio, Pablo Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; ArgentinaFil: Schroeder, Natalia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas; ArgentinaFil: Schroeder, Natalia. Provincia de Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas; ArgentinaFil: Schroeder, Natalia. Universidad Nacional de Cuyo. Instituto Argentino de Investigaciones de las Zonas Áridas; ArgentinaFil: Marozzi, Antonela Alejandra. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; ArgentinaFil: Marozzi, Antonela Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; ArgentinaFil: Ovejero Aguilar, Ramiro Jose Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ecología Regional; ArgentinaFil: Ovejero Aguilar, Ramiro Jose Antonio. Universidad Nacional de Tucumán. Instituto de Ecología Regional; ArgentinaFil: Ovejero Aguilar, Ramiro Jose Antonio. Universidad Austral de Chile. Facultad de Ciencias. Instituto de Ciencias Ambientales y Evolutivas. Laboratorio de Ecología Conductual; ChileFil: Heidel, Lara. Wildlife Conservation Society; ArgentinaFil: Peña, Fiama. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; ArgentinaFil: Peña, Fiama. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; ArgentinaFil: Peña, Fiama. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas; ArgentinaFil: Peña, Fiama. Provincia de Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas; ArgentinaFil: Peña, Fiama. Universidad Nacional de Cuyo. Instituto Argentino de Investigaciones de las Zonas Áridas; ArgentinaFil: Leggieri, Leonardo Ramón. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; ArgentinaFil: Leggieri, Leonardo Ramón. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; ArgentinaFil: Taraborelli, Paula Andrea. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Barrow; ArgentinaFil: Taraborelli, Paula Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Carmanchahi, Pablo Daniel. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; ArgentinaFil: Carmanchahi, Pablo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; ArgentinaSpringer2022-03-04T16:17:49Z2022-03-04T16:17:49Z2022-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12123/11320https://link.springer.com/article/10.1007/s00265-021-03104-20340-54431432-0762https://doi.org/10.1007/s00265-021-03104-2Behavioral Ecology and Sociobiology 76 : article number: 10 (2022)reponame:INTA Digital (INTA)instname:Instituto Nacional de Tecnología Agropecuariaenginfo:eu-repo/semantics/restrictedAccess2025-09-04T09:49:17Zoai:localhost:20.500.12123/11320instacron:INTAInstitucionalhttp://repositorio.inta.gob.ar/Organismo científico-tecnológicoNo correspondehttp://repositorio.inta.gob.ar/oai/requesttripaldi.nicolas@inta.gob.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:l2025-09-04 09:49:17.688INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuariafalse |
| dc.title.none.fl_str_mv |
Where are the males? The influence of bottom-up and top-down factors and sociability on the spatial distribution of a territorial ungulate |
| title |
Where are the males? The influence of bottom-up and top-down factors and sociability on the spatial distribution of a territorial ungulate |
| spellingShingle |
Where are the males? The influence of bottom-up and top-down factors and sociability on the spatial distribution of a territorial ungulate Panebianco, Antonella Guanaco Distribución Espacial Macho Modelos Guanacos Spatial Distribution Males Models Lama guanicoe |
| title_short |
Where are the males? The influence of bottom-up and top-down factors and sociability on the spatial distribution of a territorial ungulate |
| title_full |
Where are the males? The influence of bottom-up and top-down factors and sociability on the spatial distribution of a territorial ungulate |
| title_fullStr |
Where are the males? The influence of bottom-up and top-down factors and sociability on the spatial distribution of a territorial ungulate |
| title_full_unstemmed |
Where are the males? The influence of bottom-up and top-down factors and sociability on the spatial distribution of a territorial ungulate |
| title_sort |
Where are the males? The influence of bottom-up and top-down factors and sociability on the spatial distribution of a territorial ungulate |
| dc.creator.none.fl_str_mv |
Panebianco, Antonella Gregorio, Pablo Francisco Schroeder, Natalia Marozzi, Antonela Alejandra Ovejero Aguilar, Ramiro Jose Antonio Heidel, Lara Peña, Fiama Leggieri, Leonardo Ramón Taraborelli, Paula Andrea Carmanchahi, Pablo Daniel |
| author |
Panebianco, Antonella |
| author_facet |
Panebianco, Antonella Gregorio, Pablo Francisco Schroeder, Natalia Marozzi, Antonela Alejandra Ovejero Aguilar, Ramiro Jose Antonio Heidel, Lara Peña, Fiama Leggieri, Leonardo Ramón Taraborelli, Paula Andrea Carmanchahi, Pablo Daniel |
| author_role |
author |
| author2 |
Gregorio, Pablo Francisco Schroeder, Natalia Marozzi, Antonela Alejandra Ovejero Aguilar, Ramiro Jose Antonio Heidel, Lara Peña, Fiama Leggieri, Leonardo Ramón Taraborelli, Paula Andrea Carmanchahi, Pablo Daniel |
| author2_role |
author author author author author author author author author |
| dc.subject.none.fl_str_mv |
Guanaco Distribución Espacial Macho Modelos Guanacos Spatial Distribution Males Models Lama guanicoe |
| topic |
Guanaco Distribución Espacial Macho Modelos Guanacos Spatial Distribution Males Models Lama guanicoe |
| dc.description.none.fl_txt_mv |
The factors that regulate the abundance and distribution of wild herbivores are key components of a species’ ecology and include bottom-up and top-down mechanisms, as well as aspects related to social organization. In territorial ungulates, males distribute themselves to enhance access to females by anticipating how resources will influence female distribution. Although the variables that influence the distribution of territorial males have implications for mating opportunities and reproductive success, these relationships remain largely unknown. We assessed how bottom-up, top-down and social factors influence the spatial distribution of territorial male guanacos (Lama guanicoe) in a semiarid ecosystem during three periods of the reproductive season, in a population with two alternative mating tactics: a resource-defence tactic adopted by family group males and a clustered territorial tactic adopted by solitary males. We conducted ground surveys of males from both social units and used density surface models to assess the influence of primary productivity, predation risk and female grouping on their spatial distribution. Our results showed that territorial males were more abundant in areas of increased primary productivity during the group formation period in years of good plant growth and higher number of females/female groups throughout the reproductive season, suggesting that both bottom-up and social traits regulate their spatial distribution. Predation risk did not significantly influence the abundance of territorial males. Overall, our research contributes to the understanding of territorial systems in ungulates and reinforces the current theory that bottom-up processes are relatively more important than top-down processes in regulating populations of large herbivores. EEA Barrow Fil: Panebianco, Antonella. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; Argentina Fil: Panebianco, Antonella. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina Fil: Gregorio, Pablo Francisco. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; Argentina Fil: Gregorio, Pablo Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina Fil: Schroeder, Natalia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas; Argentina Fil: Schroeder, Natalia. Provincia de Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas; Argentina Fil: Schroeder, Natalia. Universidad Nacional de Cuyo. Instituto Argentino de Investigaciones de las Zonas Áridas; Argentina Fil: Marozzi, Antonela Alejandra. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; Argentina Fil: Marozzi, Antonela Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina Fil: Ovejero Aguilar, Ramiro Jose Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ecología Regional; Argentina Fil: Ovejero Aguilar, Ramiro Jose Antonio. Universidad Nacional de Tucumán. Instituto de Ecología Regional; Argentina Fil: Ovejero Aguilar, Ramiro Jose Antonio. Universidad Austral de Chile. Facultad de Ciencias. Instituto de Ciencias Ambientales y Evolutivas. Laboratorio de Ecología Conductual; Chile Fil: Heidel, Lara. Wildlife Conservation Society; Argentina Fil: Peña, Fiama. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; Argentina Fil: Peña, Fiama. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina Fil: Peña, Fiama. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas; Argentina Fil: Peña, Fiama. Provincia de Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas; Argentina Fil: Peña, Fiama. Universidad Nacional de Cuyo. Instituto Argentino de Investigaciones de las Zonas Áridas; Argentina Fil: Leggieri, Leonardo Ramón. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; Argentina Fil: Leggieri, Leonardo Ramón. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina Fil: Taraborelli, Paula Andrea. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Barrow; Argentina Fil: Taraborelli, Paula Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Carmanchahi, Pablo Daniel. Universidad Nacional del Comahue. Asentamiento Universidad San Martin de Los Andes; Argentina Fil: Carmanchahi, Pablo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación en Biodiversidad y Medioambiente; Argentina |
| description |
The factors that regulate the abundance and distribution of wild herbivores are key components of a species’ ecology and include bottom-up and top-down mechanisms, as well as aspects related to social organization. In territorial ungulates, males distribute themselves to enhance access to females by anticipating how resources will influence female distribution. Although the variables that influence the distribution of territorial males have implications for mating opportunities and reproductive success, these relationships remain largely unknown. We assessed how bottom-up, top-down and social factors influence the spatial distribution of territorial male guanacos (Lama guanicoe) in a semiarid ecosystem during three periods of the reproductive season, in a population with two alternative mating tactics: a resource-defence tactic adopted by family group males and a clustered territorial tactic adopted by solitary males. We conducted ground surveys of males from both social units and used density surface models to assess the influence of primary productivity, predation risk and female grouping on their spatial distribution. Our results showed that territorial males were more abundant in areas of increased primary productivity during the group formation period in years of good plant growth and higher number of females/female groups throughout the reproductive season, suggesting that both bottom-up and social traits regulate their spatial distribution. Predation risk did not significantly influence the abundance of territorial males. Overall, our research contributes to the understanding of territorial systems in ungulates and reinforces the current theory that bottom-up processes are relatively more important than top-down processes in regulating populations of large herbivores. |
| publishDate |
2022 |
| dc.date.none.fl_str_mv |
2022-03-04T16:17:49Z 2022-03-04T16:17:49Z 2022-01 |
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info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
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article |
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publishedVersion |
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http://hdl.handle.net/20.500.12123/11320 https://link.springer.com/article/10.1007/s00265-021-03104-2 0340-5443 1432-0762 https://doi.org/10.1007/s00265-021-03104-2 |
| url |
http://hdl.handle.net/20.500.12123/11320 https://link.springer.com/article/10.1007/s00265-021-03104-2 https://doi.org/10.1007/s00265-021-03104-2 |
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0340-5443 1432-0762 |
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eng |
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eng |
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info:eu-repo/semantics/restrictedAccess |
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Springer |
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