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Low Genetic Diversity in the Rare Madeiran Endemic Armeria maderensis (Plumbaginaceae)

AuthorsPiñeiro Portela, Rosalía; Fuertes Aguilar, Javier ; Menezes de Sequeira, Miguel; Nieto Feliner, Gonzalo
Bayesian clustering analyses
Comparisons of genetic diversity
Conservation biology
Island endemic
Issue Date20-Mar-2009
CitationFolia Geobotanica
AbstractThe genetic diversity and possible geographic structure of the Madeiran endemic Armeria maderensis have been assessed with AFLP. Its scarce distribution (less than 3 km between the two most distant localities) and restricted habitat (vertical pastures on the highest elevations of Madeira), at least in part due to grazing by goats, suggest an assessment of its conservation status. Diversity estimates obtained for A. maderensis were evaluated through comparison with reference values of AFLP diversity for outcrossing plants and, in order to correct for phylogenetic constraints, with a widespread congener analyzed with the same AFLP markers. Our results reveal that low levels of genetic diversity and a weak intraspecific genetic structure underlie the restricted distribution of A. maderensis.
Publisher version (URL)http://www.springerlink.com/content/w0vu441105476k31/fulltext.pdf
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