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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
The population genetics of two orchid bees suggests high dispersal, low diploid male production and only an effect of island isolation in lowering genetic diversity
Conservation Genetics, Volume 18, No. 3, Year 2017
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Description
Orchid bees (Hymenoptera, Apidae, Euglossini) are important pollinators of many plant families in Neotropical forests, habitats that have become increasingly degraded and fragmented by agricultural practices. To understand the extent to which loss of natural habitat and isolation has affected the genetic diversity and diploid male production (DMP) of two orchid bee species, Euglossa dilemma and Euglossa viridissima, we collected and genotyped 1686 males at five microsatellite loci and tested for differences in allelic richness, heterozygosity and DMP across three different types of land use (natural, agricultural and urban) and between mainland and island populations in the Yucatan Peninsula of Mexico. We also investigated the impact of land use and geographic isolation on gene flow. Euglossa dilemma and E. viridissima seemed to be particularly resilient to loss of natural habitat; in locations with human impact, we did not find reduced genetic diversity, and populations generally showed very little population genetic structure. Only on islands did E. dilemma show significantly reduced genetic diversity. Even after accounting for putative null alleles, DMP was very low (0.2–1.3%) across all sampling sites, including on islands. We therefore suggest that DMP is an insensitive measure of inbreeding and population decline in our two study species. © 2016, Springer Science+Business Media Dordrecht.
Authors & Co-Authors
Soro, Antonella
Germany, Halle
Martin-luther-universität Halle-wittenberg
Quezada-Euán, José Javier G.
Mexico, Merida
Universidad Autónoma de Yucatán
Theodorou, Panagiotis
Germany, Halle
Martin-luther-universität Halle-wittenberg
Moritz, Robin F.A.
Germany, Halle
Martin-luther-universität Halle-wittenberg
Paxton, Robert John
Germany, Halle
Martin-luther-universität Halle-wittenberg
Statistics
Citations: 31
Authors: 5
Affiliations: 2
Identifiers
Doi:
10.1007/s10592-016-0912-8
ISSN:
15660621
Research Areas
Genetics And Genomics
Study Design
Cross Sectional Study
Participants Gender
Male