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dc.contributor.author
Fergnani, Paula Nilda
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dc.contributor.author
Sackmann Braceras, Paula
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dc.contributor.author
Ruggiero, Adriana
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dc.date.available
2016-07-22T20:37:53Z
dc.date.issued
2013-06
dc.identifier.citation
Fergnani, Paula Nilda; Sackmann Braceras, Paula; Ruggiero, Adriana; The spatial variation in ant species composition and functional groups across the Subantarctic-Patagonian transition zone; Springer; Journal of Insect Conservation; 17; 2; 6-2013; 295-305
dc.identifier.issn
1366-638X
dc.identifier.uri
http://hdl.handle.net/11336/6664
dc.description.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 pitfall traps within a ~150 × 150 km area. Species were classified into functional groups in relation to stress and disturbance, and in foraging groups according to their foraging behavior. An indicator value for each species in each habitat was calculated. The steppes and the forests strongly differed in ant species and functional composition. Climatic effects combined with structural components of plant environment explained about 23–27 % of the variation in ant composition. The shrublands did not show a distinctive fauna, and show greater similarity in ant species composition and in the proportional occupancy of functional groups to the steppes than to the forests. They harbor neither rare nor indicator species, except for Lasiophanes valdiviensis, and thus this reinforces the idea that they are not a habitat source of species, but an area of encounter between two distinct forest- and steppe- ant faunas, where a high number of local distributional limits of ant species overlap.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Formicidae
dc.subject
Ecotone
dc.subject
Biogeographic Transition
dc.subject
Indval
dc.subject
Rda
dc.subject
Cluster Analysis
dc.subject.classification
Zoología, Ornitología, Entomología, Etología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
The spatial variation in ant species composition and functional groups across the Subantarctic-Patagonian transition zone
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-07-22T18:52:26Z
dc.journal.volume
17
dc.journal.number
2
dc.journal.pagination
295-305
dc.journal.pais
Alemania
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dc.journal.ciudad
Berlin
dc.description.fil
Fil: Fergnani, Paula Nilda. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina
dc.description.fil
Fil: Sackmann Braceras, Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina
dc.description.fil
Fil: Ruggiero, Adriana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina
dc.journal.title
Journal of Insect Conservation
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://link.springer.com/article/10.1007/s10841-012-9510-3
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s10841-012-9510-3
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/10.1007/s10841-012-9510-3
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