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Título: | Networks of spatial genetic variation across species |
Autor: | Fortuna, Miguel A. CSIC ORCID; Albaladejo, Rafael G.; Fernández, Laura CSIC ORCID; Aparicio, Abelardo; Bascompte, Jordi CSIC ORCID | Palabras clave: | Complex networks Gene flow habitat fragmentation Population genetics |
Fecha de publicación: | nov-2009 | Editor: | National Academy of Sciences (U.S.) | Citación: | PNAS November 10, 2009 vol. 106 no. 45 19044-19049 | Resumen: | Spatial patterns of genetic variation provide information central to many ecological, evolutionary, and conservation questions. This spatial variability has traditionally been analyzed through sum- mary statistics between pairs of populations, therefore missing the simultaneous influence of all populations. More recently, a network approach has been advocated to overcome these limitations. This network approach has been applied to a few cases limited to a single species at a time. The question remains whether similar pat- terns of spatial genetic variation and similar functional roles for specific patches are obtained for different species. Here we study the networks of genetic variation of four Mediterranean woody plant species inhabiting the same habitat patches in a highly frag- mented forest mosaic in Southern Spain. Three of the four species show a similar pattern of genetic variation with well-defined mod- ules or groups of patches holding genetically similar populations. These modules can be thought of as the long-sought-after, evo- lutionarily significant units or management units. The importance of each patch for the cohesion of the entire network, though, is quite different across species. This variation creates a tremendous challenge for the prioritization of patches to conserve the genetic variation of multispecies assemblages | Versión del editor: | http://www.pnas.org/content/106/45/19044.full.pdf+html | URI: | http://hdl.handle.net/10261/40059 | DOI: | 10.1073/pnas.0907704106 |
Aparece en las colecciones: | (EBD) Artículos |
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