Looking for a successful translocationthe case of Astragalus edulis

  1. Javier Bobo-Pinilla 1
  2. Noemí López-González 1
  3. Armando Caballero 2
  4. Julio Peñas 3
  1. 1 Department of Botany, University of Salamanca. Biobanco de ADN Vegetal. Salamanca, Spain.
  2. 2 Departamento de Bioquímica, Genética e Inmunología and Centro de Investigación Mariña (CIM-UVIGO), Universidade de Vigo.
  3. 3 Plant Conservation Unit, Department of Botany, University of Granada.
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Revista:
Mediterranean Botany

ISSN: 2603-9109

Año de publicación: 2021

Volumen: 42

Tipo: Artículo

DOI: 10.5209/MBOT.68048 DIALNET GOOGLE SCHOLAR lock_openAcceso abierto editor

Otras publicaciones en: Mediterranean Botany

Objetivos de desarrollo sostenible

Resumen

Astragalus edulis (Fabaceae) is an endangered annual plant species from the western Mediterranean region. It occurs in the Iberian Peninsula (SE), Morocco (two main locations in the NE and SW), and the easternmost Canary Islands (Lanzarote and Fuerteventura). After a thorough study assessing genetic diversity and phylogeographic patterns, and a proposal of a management plan to preserve the genetic diversity across the entire area of the species, it is about time to go further in the species conservation. It is necessary to recognize genetically impoverished populations to be able to successfully reinforce populations and find realistic places for translocations. For this, Nei’s genetic diversity values were calculated for the three geographic areas and for their populations. Diversity values were further evaluated to calculate the optimal contribution for the populations within each area to maximize the genetic pool. To evaluate whether the optimum habitat for the species is expected to grow or decrease under a climate change scenario, the optimal model of current climatic suitability of A. edulis was projected into the IPCC (2070_RCP8.5) future scenario. The different geographical areas showed similar genetic diversity values. The populations that contribute to maximize the genetic pool in each geographic area were similar, but not equal, to those proposed in previous studies. The future potential habitat for the species shows a significant range decline, which will affect translocation efforts.

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Información de financiación

This work has been financed by the Spanish Ministerio de Ciencia e Innovaci?n through the projects CGL2012-32574 and REN2003-09427, as well as by the Andalusian Consejer?a de Innovaci?n, Ciencia y Tecnolog?a through the project P05-RNM-01067. A.C. was funded by Agencia Estatal de Investigaci?n (AEI) (CGL2016-75904-C2-1-P), Xunta de Galicia (ED431C 2016-037) and Fondos Feder: ?Unha maneira de facer Europa?. The funders had no role in study design, data collection and analysis, decision to publish or preparation of the manuscript. We are also grateful to M.M. Mart?nez-Ortega for her work in all the projects.

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