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dc.contributor.author
Fiorini de Magalhaes, Ivan Luiz
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dc.contributor.author
Neves, D. M.
dc.contributor.author
Santos, F. R.
dc.contributor.author
Vidigal, Teofania Heloisa Dutra Amorim
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dc.contributor.author
Brescovit, Antonio Domingos
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dc.contributor.author
Santos, A. J.
dc.date.available
2020-12-22T16:00:25Z
dc.date.issued
2019-11
dc.identifier.citation
Fiorini de Magalhaes, Ivan Luiz; Neves, D. M.; Santos, F. R.; Vidigal, Teofania Heloisa Dutra Amorim; Brescovit, Antonio Domingos; et al.; Phylogeny of Neotropical Sicarius sand spiders suggests frequent transitions from deserts to dry forests despite antique, broad-scale niche conservatism; Academic Press Inc Elsevier Science; Molecular Phylogenetics and Evolution; 140; 11-2019; 1-12
dc.identifier.issn
1055-7903
dc.identifier.uri
http://hdl.handle.net/11336/121054
dc.description.abstract
Phylogenetic niche conservatism (PNC) shapes the distribution of organisms by constraining lineages to particular climatic conditions. Conversely, if areas with similar climates are geographically isolated, diversification may also be limited by dispersal. Neotropical xeric habitats provide an ideal system to test the relative roles of climate and geography on diversification, as they occur in disjunct areas with similar biotas. Sicariinae sand spiders are intimately associated with these xeric environments, particularly seasonally dry tropical forests (SDTFs) and subtropical deserts/scrublands in Africa (Hexophthalma) and the Neotropics (Sicarius). We explore the role of PNC, geography and biome shifts in their evolution and timing of diversification. We estimated a time-calibrated, total-evidence phylogeny of Sicariinae, and used published distribution records to estimate climatic niche and biome occupancy. Topologies were used for estimating ancestral niches and biome shifts. We used variation partitioning methods to test the relative importance of climate and spatially autocorrelated factors in explaining the spatial variation in phylogenetic structure of Sicarius across the Neotropics. Neotropical Sicarius are ancient and split from their African sister-group around 90 (57–131) million years ago. Most speciation events took place in the Miocene. Sicariinae records can be separated in two groups corresponding to temperate/dry and tropical/seasonally dry climates. The ancestral climatic niche of Sicariinae are temperate/dry areas, with 2–3 shifts to tropical/seasonally dry areas in Sicarius. Similarly, ancestral biomes occupied by the group are temperate and dry (deserts, Mediterranean scrub, temperate grasslands), with 2–3 shifts to tropical, seasonally dry forests and grasslands. Most of the variation in phylogenetic structure is explained by long-distance dispersal limitation that is independent of the measured climatic conditions. Sicariinae have an ancient association to arid lands, suggesting that PNC prevented them from colonizing mesic habitats. However, niches are labile at a smaller scale, with several shifts from deserts to SDTFs. This suggests that PNC and long-distance dispersal limitation played major roles in confining lineages to isolated areas of SDTF/desert over evolutionary history, although shifts between xeric biomes occurred whenever geographical opportunities were presented.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Academic Press Inc Elsevier Science
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ATACAMA
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DRY DIAGONAL
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PHYLOGENETIC NICHE CONSERVATISM
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PLEISTOCENE ARC HYPOTHESIS
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SEASONALLY DRY TROPICAL FORESTS
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SICARIIDAE
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
Phylogeny of Neotropical Sicarius sand spiders suggests frequent transitions from deserts to dry forests despite antique, broad-scale niche conservatism
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-11-26T17:45:48Z
dc.journal.volume
140
dc.journal.pagination
1-12
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Fiorini de Magalhaes, Ivan Luiz. Universidade Federal de Minas Gerais; Brasil. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Museo Argentino de Ciencias Naturales "Bernardino Rivadavia"; Argentina
dc.description.fil
Fil: Neves, D. M.. University of Arizona; Estados Unidos. Universidade Federal de Minas Gerais; Brasil
dc.description.fil
Fil: Santos, F. R.. Universidade Federal de Minas Gerais; Brasil
dc.description.fil
Fil: Vidigal, Teofania Heloisa Dutra Amorim. Universidade Federal de Minas Gerais; Brasil
dc.description.fil
Fil: Brescovit, Antonio Domingos. Governo do Estado de Sao Paulo. Secretaria da Saude. Instituto Butantan; Brasil
dc.description.fil
Fil: Santos, A. J.. Universidade Federal de Minas Gerais; Brasil
dc.journal.title
Molecular Phylogenetics and Evolution
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S1055790318307930
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.ympev.2019.106569
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