Modern quaternary plant lineages promote diversity through facilitation of ancient tertiary lineages
6 páginas, 2 figuras.
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| Format: | artículo biblioteca |
| Language: | English |
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National Academy of Sciences (U.S.)
2006-11
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| Subjects: | Mediterranean-type ecosystems, Mexical shrubland, Phylogenetic niche conservatism, Plant facilitation, Stabilizing selection, |
| Online Access: | http://hdl.handle.net/10261/59549 http://dx.doi.org/10.13039/501100005739 http://dx.doi.org/10.13039/501100003141 |
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dig-cide-es-10261-595492021-12-28T15:34:03Z Modern quaternary plant lineages promote diversity through facilitation of ancient tertiary lineages Valiente-Banuet, Alfonso Rumebe, A. V. Verdú, Miguel Callaway, Ragan M. Universidad Nacional Autónoma de México Programa Iberoamericano de Ciencia y Tecnología para el Desarrollo Consejo Nacional de Ciencia y Tecnología (México) Mediterranean-type ecosystems Mexical shrubland Phylogenetic niche conservatism Plant facilitation Stabilizing selection 6 páginas, 2 figuras. One of the most important floristic sorting periods to affect modern plant communities occurred during the shift from the wet Tertiary period to the unusually dry Quaternary, when most global deserts developed. During this time, a wave of new plant species emerged, presumably in response to the new climate. Interestingly, most Tertiary species that have been tracked through the fossil record did not disappear but remained relatively abundant despite the development of a much more unfavorable climate for species adapted to moist conditions. Here we find, by integrating paleobotanical, ecological, and phylogenetic analyses, that a large number of ancient Tertiary species in Mediterranean-climate ecosystems appear to have been preserved by the facilitative or "nurse" effects of modern Quaternary species. Our results indicate that these interdependent relationships among plants have played a central role in the preservation of the global biodiversity and provided a mechanism for stabilizing selection and the conservation of ecological traits over evolutionary time scales. We thank Aaron King for his help with the evolutionary models, M. C. Arizmendi for all her help that led to this article, and D. D. Ackerly and one anonymous reviewer for valuable comments that improved the manuscript. This research was supported by Dirección General de Asuntos del Personal Académico (DGAPA)-PAPIIT Grant 227605 and DGAPA, Universidad Nacional Autónoma de México (UNAM), sabbatical fellowship (to A.V.-B.). We thank Programa Iberoamericano de Ciencia y Technología para el Desarrollo, Subprograma Diversidad Biológica (Proyecto XII-6) for travel expenses (to A.V.-B. and M.V.). A.V.R. was granted fellowships from Consejo Nacional de Ciencia y Tecnología and DGAPA, UNAM, México. Peer reviewed 2012-11-06T11:32:42Z 2012-11-06T11:32:42Z 2006-11 artículo http://purl.org/coar/resource_type/c_6501 Proceedings of the National Academy of Sciences of the USA 103(45): 16812-16817 (2006) 0027-8424 http://hdl.handle.net/10261/59549 10.1073/pnas.0604933103 1091-6490 http://dx.doi.org/10.13039/501100005739 http://dx.doi.org/10.13039/501100003141 17068126 en http://dx.doi.org/10.1073/pnas.0604933103 none National Academy of Sciences (U.S.) |
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biblioteca |
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Biblioteca del CIDE España |
| language |
English |
| topic |
Mediterranean-type ecosystems Mexical shrubland Phylogenetic niche conservatism Plant facilitation Stabilizing selection Mediterranean-type ecosystems Mexical shrubland Phylogenetic niche conservatism Plant facilitation Stabilizing selection |
| spellingShingle |
Mediterranean-type ecosystems Mexical shrubland Phylogenetic niche conservatism Plant facilitation Stabilizing selection Mediterranean-type ecosystems Mexical shrubland Phylogenetic niche conservatism Plant facilitation Stabilizing selection Valiente-Banuet, Alfonso Rumebe, A. V. Verdú, Miguel Callaway, Ragan M. Modern quaternary plant lineages promote diversity through facilitation of ancient tertiary lineages |
| description |
6 páginas, 2 figuras. |
| author2 |
Universidad Nacional Autónoma de México |
| author_facet |
Universidad Nacional Autónoma de México Valiente-Banuet, Alfonso Rumebe, A. V. Verdú, Miguel Callaway, Ragan M. |
| format |
artículo |
| topic_facet |
Mediterranean-type ecosystems Mexical shrubland Phylogenetic niche conservatism Plant facilitation Stabilizing selection |
| author |
Valiente-Banuet, Alfonso Rumebe, A. V. Verdú, Miguel Callaway, Ragan M. |
| author_sort |
Valiente-Banuet, Alfonso |
| title |
Modern quaternary plant lineages promote diversity through facilitation of ancient tertiary lineages |
| title_short |
Modern quaternary plant lineages promote diversity through facilitation of ancient tertiary lineages |
| title_full |
Modern quaternary plant lineages promote diversity through facilitation of ancient tertiary lineages |
| title_fullStr |
Modern quaternary plant lineages promote diversity through facilitation of ancient tertiary lineages |
| title_full_unstemmed |
Modern quaternary plant lineages promote diversity through facilitation of ancient tertiary lineages |
| title_sort |
modern quaternary plant lineages promote diversity through facilitation of ancient tertiary lineages |
| publisher |
National Academy of Sciences (U.S.) |
| publishDate |
2006-11 |
| url |
http://hdl.handle.net/10261/59549 http://dx.doi.org/10.13039/501100005739 http://dx.doi.org/10.13039/501100003141 |
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