Article (Scientific journals)
Genomic Patterns of Iberian Wild Bees Reveal Levels of Diversity, Differentiation and Population Structure, Supporting the “Refugia within Refugia” Hypothesis
Sousa, Paulo de; Henriques, André; Silva, Sara E. et al.
2023In Diversity, 15 (6), p. 746
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Keywords :
genetic diversity; Iberian Peninsula; population structure; RADseq; wild bees; Ecology; Ecological Modeling; Agricultural and Biological Sciences (miscellaneous); Nature and Landscape Conservation
Abstract :
[en] We used a population genomic approach to unravel the population structure, genetic differentiation, and genetic diversity of three widespread wild bee species across the Iberian Peninsula, Andrena agilissima, Andrena flavipes and Lasioglossum malachurum. Our results demonstrated that genetic lineages in the Ebro River valley or near the Pyrenees mountains are different from the rest of Iberia. This relatively congruent pattern across species once more supports the hypothesis of “refugia within refugia” in the Iberian Peninsula. The results for A. flavipes and A. agilissima showed an unexpected pattern of genetic differentiation, with the generalist polylectic A. flavipes having lower levels of genetic diversity (Ho = 0.0807, He = 0.2883) and higher differentiation (FST = 0.5611), while the specialist oligolectic A. agilissima had higher genetic diversity (Ho = 0.2104, He = 0.3282) and lower differentiation values (FST = 0.0957). For L. malachurum, the smallest and the only social species showed the lowest inbreeding coefficient (FIS = 0.1009) and the lowest differentiation level (FST = 0.0663). Overall, our results, suggest that this pattern of population structure and genetic diversity could be explained by the combined role of past climate changes and the life-history traits of the species (i.e., size, sociality and host-plant specialization), supporting the role of the Iberian refugia as a biodiversity hotspot.
Disciplines :
Zoology
Author, co-author :
Sousa, Paulo de ;  cE3c—Center for Ecology, Evolution and Environmental Changes, CHANGE—Global Change and Sustainability Institute, Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal
Henriques, André ;  cE3c—Center for Ecology, Evolution and Environmental Changes, CHANGE—Global Change and Sustainability Institute, Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal
Silva, Sara E.;  cE3c—Center for Ecology, Evolution and Environmental Changes, CHANGE—Global Change and Sustainability Institute, Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal
Carvalheiro, Luísa G. ;  cE3c—Center for Ecology, Evolution and Environmental Changes, CHANGE—Global Change and Sustainability Institute, Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal ; Department of Ecology, Universidade Federal de Goiás, Goiânia, Brazil
Smagghe, Guy ;  Laboratory of Agrozoology, Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium ; Molecular and Cellular Life Sciences, Department of Biology, Vrije Universiteit Brussel (VUB), Brussels, Belgium
Michez, Denis  ;  Université de Mons - UMONS > Faculté des Sciences > Service de Zoologie
Wood, Thomas James  ;  Université de Mons - UMONS > Faculté des Sciences > Service de Zoologie
Paulo, Octávio S. ;  cE3c—Center for Ecology, Evolution and Environmental Changes, CHANGE—Global Change and Sustainability Institute, Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisboa, Portugal
Language :
English
Title :
Genomic Patterns of Iberian Wild Bees Reveal Levels of Diversity, Differentiation and Population Structure, Supporting the “Refugia within Refugia” Hypothesis
Publication date :
June 2023
Journal title :
Diversity
eISSN :
1424-2818
Publisher :
Multidisciplinary Digital Publishing Institute (MDPI)
Volume :
15
Issue :
6
Pages :
746
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
S869 - Zoologie
Research institute :
R100 - Institut des Biosciences
Funders :
Fundação para a Ciência e Tecnologia
Excellence of Science
Funding text :
This work was supported by the Project ‘Effect of Eutrophication and Climate on Pollinators and ecosystem service provision’ (EUCLIPO), co-funded by national funds through Fundação para a Ciência e Tecnologia (FCT), Portugal (PTDC/BIA-ECO/28360/2017), and by EU ERDF funds within the Portugal 2020 Partnership Agreement and Programa Operacional Regional Lisboa. DM and TJW were partly supported by the FNRS/FWO joint program “EOS—Excellence of Science” for the project “CliPS: Climate change and its effects on Pollination Services (project 30947854)”.
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