Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/53685
Title: Conservation genetics in two endangered endemics from the Canary Islands, Helianthemum gonzalezferreri Marrero (Cistaceae) and Kunkeliella subsucculenta Kammer (Santalaceae): different life histories that involve different management strategies
Authors: González Pérez,Miguel Ángel 
Batista, Francisco J.
Sosa, Pedro A. 
UNESCO Clasification: 241714 Genética vegetal
Keywords: Canary Islands
Conservation genetics
Endangered
Helianthemum gonzalezferreri
Kunkeliella subsucculenta, et al
Issue Date: 2013
Journal: Plant Systematics and Evolution 
Abstract: Helianthemum gonzalezferreri and Kunkeliella subsucculenta, two endangered endemic species from the Canary Islands, were analysed to determine the levels and structure of genetic diversity in their natural populations. The mean value of Shannon’s diversity index for H. gonzalezferreri and K. subsucculenta were I = 0.315 and I = 0.331, respectively. AMOVA and Bayesian analysis showed high genetic differentiation between populations in H. gonzalezferreri (F ST = 0.297). This genetic differentiation was graphically shown with the principal component analysis (PCA), in which the majority of individuals were distributed into two groups. Contrarily, K. subsucculenta populations showed a considerable degree of gene exchange revealed by Bayesian cluster analysis and PCA. The genetic differentiation between the two H. gonzalezferreri populations suggests different management strategies for each population. Translocation between the two natural populations of K. subsucculenta, to increase genetic variation, would not mean outbreeding depression, since both populations share the same genetic pool.
URI: http://hdl.handle.net/10553/53685
ISSN: 0378-2697
DOI: 10.1007/s00606-013-0852-4
Source: Plant Systematics and Evolution [ISSN 0378-2697], v. 299 (10), p. 1981-1990, (Diciembre 2013)
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