Renau-Morata
Genetic diversity and structure of natural and managed populations of Cedrus atlantica (Pinaceae) assessed using random amplified polymorphic DNA
Authors
Sergio G. Nebauer
Ester Sales
Dr Allainguillaume Joel.Allainguillaume@uwe.ac.uk
Associate Professor in Conservaton Science
Peter Caligari
Juan Segura
Abstract
Cedrus atlantica (Pinaceae) is a large and exceptionally long-lived conifer native to the Rif and Atlas Mountains of North Africa. To assess levels and patterns of genetic diversity of this species, samples were obtained throughout the natural range in Morocco and from a forest plantation in Arbúcies, Girona (Spain) and analyzed using RAPD markers. Within-population genetic diversity was high and comparable to that revealed by isozymes. Managed populations harbored levels of genetic variation similar to those found in their natural counterparts. Genotypic analyses of molecular variance (AMOVA) found that most variation was within populations, but significant differentiation was also found between populations, particularly in Morocco. Bayesian estimates of FST corroborated the AMOVA partitioning and provided evidence for population differentiation in C. atlantica. Both distance- and Bayesian-based clustering methods revealed that Moroccan populations comprise two genetically distinct groups. Within each group, estimates of population differentiation were close to those previously reported in other gymnosperms. These results are interpreted in the context of the postglacial history of the species and human impact. The high degree of among-group differentiation recorded here highlights the need for additional conservation measures for some Moroccan populations of C. atlantica.
Citation
Renau-Morata, B., Nebauer, S. G., Sales, E., Allainguillaume, J., Caligari, P., & Segura, J. (2005). Genetic diversity and structure of natural and managed populations of Cedrus atlantica (Pinaceae) assessed using random amplified polymorphic DNA. American Journal of Botany, 92(5), 875-884. https://doi.org/10.3732/ajb.92.5.875
Journal Article Type | Article |
---|---|
Publication Date | Jan 1, 2005 |
Journal | American Journal of Botany |
Print ISSN | 0002-9122 |
Publisher | Botanical Society of America |
Peer Reviewed | Peer Reviewed |
Volume | 92 |
Issue | 5 |
Pages | 875-884 |
DOI | https://doi.org/10.3732/ajb.92.5.875 |
Keywords | cedrus atlantica, genetic diversity, Morocco, Pinaceae, population structure, RAPD, Spain |
Public URL | https://uwe-repository.worktribe.com/output/1055886 |
Publisher URL | http://dx.doi.org/10.3732/ajb.92.5.875 |
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