2012
DOI: 10.1007/s10841-012-9510-3
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The spatial variation in ant species composition and functional groups across the Subantarctic-Patagonian transition zone

Abstract: The role of ecotones in the maintenance of species diversity is rather controversial; they may represent either biodiversity hotspots with unique and rare forms, or be transitional areas that hold marginal populations of species. We analyse the taxonomic and functional composition of ant species assemblages across the Subantarctic-Patagonian transition to evaluate the role that transitional shrublands may play in the maintenance of the taxonomic and functional differentiation. We collected ants using 450 pitfa… Show more

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Cited by 17 publications
(27 citation statements)
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“…On the other hand, ecologists, by means of experimental and comparative procedures at local spatial and temporal scales, aimed to explain transition zones mostly in terms of actual environmental conditions and ecological interactions (e.g. Fergnani, Sackmann & Ruggiero, ). Additionally, different methodological and conceptual frameworks for the analysis of species diversity such as focusing in explaining the origin or the maintenance of diversity has led to a progressive divergence between ecological and evolutionary biogeography since the early 20th century (Ricklefs & Jenkins, ).…”
Section: Biogeographical Hierarchy Biogeographical Transition Zones mentioning
confidence: 99%
“…On the other hand, ecologists, by means of experimental and comparative procedures at local spatial and temporal scales, aimed to explain transition zones mostly in terms of actual environmental conditions and ecological interactions (e.g. Fergnani, Sackmann & Ruggiero, ). Additionally, different methodological and conceptual frameworks for the analysis of species diversity such as focusing in explaining the origin or the maintenance of diversity has led to a progressive divergence between ecological and evolutionary biogeography since the early 20th century (Ricklefs & Jenkins, ).…”
Section: Biogeographical Hierarchy Biogeographical Transition Zones mentioning
confidence: 99%
“…In the NW Patagonia about 30 species of ants coexist (Fergnani et al ., 2013), but only the effects of the leaf‐cutting ant A. lobicornis on soil properties and plant growth have been studied. This ant species has a conspicuous nest‐mound (∼1 m of diameter and up to ∼1 m high; Fig.…”
Section: Introductionmentioning
confidence: 99%
“…Las investigaciones para entender los factores que afectan y rigen la composición de las comunidades han sido llevadas a cabo en base a mamíferos, aves y otros grupos taxonómicos. También, sobre insectos tales como hormigas (Fergnani et al 2012;Werenkraut et al 2015) y coleópteros, pero nunca a nivel de Heteroptera. Ruggiero et al (2009) estudiaron los efectos del ambiente sobre la abundancia de coleópteros en la transición de Bosques Subantárticos y Estepa Patagónica.…”
Section: )unclassified
“…Además, la variación de la heterogeneidad de hábitats y el impacto por el uso de ganado fueron secundarios. La variación local de la temperatura máxima diaria es un factor determinante de la riqueza de especies de hormigas a través de la transición Subantártida-Estepa Patagónica, pero aparentemente no el más importante (Fergnani et al 2010(Fergnani et al , 2012. Werenkraut et al (2015) refuerzan la idea que la temperatura es un importante y determinístico factor para explicar altos porcentajes en la variación de la riqueza, pero estos porcentajes de explicación se encontraban compartidos con el tipo de vegetación asociados a diferentes tipos de montañas.…”
Section: Identificación De Sitios Con Los Conjuntos De Ensambles De Eunclassified
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