Abstract
Seagrasses and their habitat are declining worldwide. Zostera noltii in the Canary Islands has been drastically reduced, mainly by anthropogenic disturbance, to three small surviving patches in a single harbor in Lanzarote. A previous genetic study, using neutral microsatellite markers, revealed that these patches consist of a single clonal individual. Here, an assignment test, using microsatellite data, was used to locate the most likely population of origin from a set of possible donor populations. Our results show that the Moulay Bousselham population in northern Morocco is assigned as the most likely population of origin (88%), although the probability of being at one generation time distance is low (2.7%). This result, however, allows locating the most closely related stands that may be the most successful donor populations for future restoration based on shoot or seed transplantation.
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Acknowledgments
We would like to thank the following people for providing us with Z. noltii samples from various locations: Filipe Alberto for the Moulay Bousselham and Puerto Real samples, Karim Erzini for the Dakhla samples, Alexandra Cunha for the Mauritania samples. We thank Sophie Arnaud-Haond and M. Hernández Ferrer (La Laguna University) for comments that greatly improved the manuscript. OED was funded by Fundação para a Ciência e Tecnologia (FCT, Portugal) postdoctoral grant (SFRH/BPD/9454/2002, co-funded by European Social Fund) and research project POCI/MAR/60044/2004 financed by FCT and FEDER. Funding was also provided by the European Commission through the NEST Complexity project EDEN (043251) and Lanzarote Government.
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Diekmann, O.E., Gouveia, L., Perez, J.A. et al. The possible origin of Zostera noltii in the Canary Islands and guidelines for restoration. Mar Biol 157, 2109–2115 (2010). https://doi.org/10.1007/s00227-010-1467-8
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DOI: https://doi.org/10.1007/s00227-010-1467-8