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Feigs JT, Huang S, Holzhauer SIJ, Brunet J, Diekmann M, Hedwall P, Kramp K, Naaf T. Bumblebees mediate landscape effects on a forest herb's population genetic structure in European agricultural landscapes. Ecol Evol 2024; 14:e70078. [PMID: 39055773 PMCID: PMC11269766 DOI: 10.1002/ece3.70078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2024] [Revised: 07/08/2024] [Accepted: 07/11/2024] [Indexed: 07/27/2024] Open
Abstract
Spatially isolated plant populations in agricultural landscapes exhibit genetic responses not only to habitat fragmentation per se but also to the composition of the landscape matrix between habitat patches. These responses can only be understood by examining how the landscape matrix influences among-habitat movements of pollinators and seed vectors, which act as genetic linkers among populations. We studied the forest herb Polygonatum multiflorum and its associated pollinator and genetic linker, the bumblebee Bombus pascuorum, in three European agricultural landscapes. We aimed to identify which landscape features affect the movement activity of B. pascuorum between forest patches and to assess the relative importance of these features in explaining the forest herb's population genetic structure. We applied microsatellite markers to estimate the movement activity of the bumblebee as well as the population genetic structure of the forest herb. We modelled the movement activity as a function of various landscape metrics. Those metrics found to explain the movement activity best were then used to explain the population genetic structure of the forest herb. The bumblebee movement activity was affected by the cover of maize fields and semi-natural grasslands on a larger spatial scale and by landscape heterogeneity on a smaller spatial scale. For some measures of the forest herb's population genetic structure, that is, allelic richness, observed heterozygosity and the F-value, the combinations of landscape metrics, which explained the linker movement activity best, yielded lower AICc values than 95% of the models including all possible combinations of landscape metrics. Synthesis: The genetic linker, B. pascuorum, mediates landscape effects on the population genetic structure of the forest herb P. multiflorum. Our study indicates, that the movement of the genetic linker among forest patches, and thus the pollen driven gene flow of the herb, depends on the relative value of floral resources in the specific landscape setting. Noteworthy, the population genetic structure of the long-lived, clonal forest herb species correlated with recent land-use types such as maize, which have been existing for not more than a few decades within these landscapes. This underscores the short time in which land-use changes can influence the evolutionary potential of long-lived wild plants.
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Affiliation(s)
- Jannis Till Feigs
- Leibniz Centre for Agricultural Landscape Research (ZALF) e.VMünchebergGermany
| | - Siyu Huang
- Leibniz Centre for Agricultural Landscape Research (ZALF) e.VMünchebergGermany
| | - Stephanie I. J. Holzhauer
- Thünen Institute of Biodiversity, Johann Heinrich von Thünen Institute, Forestry and Fisheries, Federal Research Institute for Rural AreasBraunschweigGermany
| | - Jörg Brunet
- Southern Swedish Forest Research CentreSwedish University of Agricultural SciencesAlnarpSweden
| | - Martin Diekmann
- Vegetation Ecology and Conservation Biology, Institute of Ecology, FB 2University of BremenBremenGermany
| | - Per‐Ola Hedwall
- Southern Swedish Forest Research CentreSwedish University of Agricultural SciencesAlnarpSweden
| | - Katja Kramp
- Leibniz Centre for Agricultural Landscape Research (ZALF) e.VMünchebergGermany
| | - Tobias Naaf
- Leibniz Centre for Agricultural Landscape Research (ZALF) e.VMünchebergGermany
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2
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Cunningham-Eurich I, Kontou D, Yordanova M, Maeda-Obregon A, Favreau E, Wang J, Hart AG, Sumner S. Using citizen science data to assess the population genetic structure of the common yellowjacket wasp, Vespula vulgaris. INSECT MOLECULAR BIOLOGY 2023; 32:634-647. [PMID: 37599385 DOI: 10.1111/imb.12862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 05/22/2023] [Indexed: 08/22/2023]
Abstract
Monitoring insect genetic diversity and population structure has never been more important to manage the biodiversity crisis. Citizen science has become an increasingly popular tool to gather ecological data affordably across a wide range of spatial and temporal scales. To date, most insect-related citizen science initiatives have focused on occurrence and abundance data. Here, we show that poorly preserved insect samples collected by citizen scientists can yield population genetic information, providing new insights into population connectivity, genetic diversity and dispersal behaviour of little-studied insects. We analysed social wasps collected by participants of the Big Wasp Survey, a citizen science project that aims to map the diversity and distributions of vespine wasps in the UK. Although Vespula vulgaris is a notorious invasive species around the world, it remains poorly studied in its native range. We used these data to assess the population genetic structure of the common yellowjacket V. vulgaris at different spatial scales. We found a single, panmictic population across the UK with little evidence of population genetic structuring; the only possible limit to gene flow is the Irish sea, resulting in significant differentiation between the Northern Ireland and mainland UK populations. Our results suggest that queens disperse considerable distances from their natal nests to found new nests, resulting in high rates of gene flow and thus little differentiation across the landscape. Citizen science data has made it feasible to perform this study, and we hope that it will encourage future projects to adopt similar practices in insect population monitoring.
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Affiliation(s)
- Iona Cunningham-Eurich
- Centre for Biodiversity and Environment Research, University College London, London, UK
- Department of Life Sciences, The Natural History Museum, London, UK
| | - Danai Kontou
- Centre for Biodiversity and Environment Research, University College London, London, UK
- Department of Plant Sciences, University of Cambridge, Cambridge, UK
| | - Monika Yordanova
- Centre for Biodiversity and Environment Research, University College London, London, UK
- Department of Life Sciences, Imperial College London, London, UK
| | | | - Emeline Favreau
- Centre for Biodiversity and Environment Research, University College London, London, UK
| | - Jinliang Wang
- Institute of Zoology, Zoological Society of London, London, UK
| | - Adam G Hart
- Department of Natural and Social Science, University of Gloucestershire, UK
| | - Seirian Sumner
- Centre for Biodiversity and Environment Research, University College London, London, UK
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3
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Hart AF, Verbeeck J, Ariza D, Cejas D, Ghisbain G, Honchar H, Radchenko VG, Straka J, Ljubomirov T, Lecocq T, Dániel-Ferreira J, Flaminio S, Bortolotti L, Karise R, Meeus I, Smagghe G, Vereecken N, Vandamme P, Michez D, Maebe K. Signals of adaptation to agricultural stress in the genomes of two European bumblebees. Front Genet 2022; 13:993416. [PMID: 36276969 PMCID: PMC9579324 DOI: 10.3389/fgene.2022.993416] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 09/21/2022] [Indexed: 11/25/2022] Open
Abstract
Human-induced environmental impacts on wildlife are widespread, causing major biodiversity losses. One major threat is agricultural intensification, typically characterised by large areas of monoculture, mechanical tillage, and the use of agrochemicals. Intensification leads to the fragmentation and loss of natural habitats, native vegetation, and nesting and breeding sites. Understanding the adaptability of insects to these changing environmental conditions is critical to predicting their survival. Bumblebees, key pollinators of wild and cultivated plants, are used as model species to assess insect adaptation to anthropogenic stressors. We investigated the effects of agricultural pressures on two common European bumblebees, Bombus pascuorum and B. lapidarius. Restriction-site Associated DNA Sequencing was used to identify loci under selective pressure across agricultural-natural gradients over 97 locations in Europe. 191 unique loci in B. pascuorum and 260 in B. lapidarius were identified as under selective pressure, and associated with agricultural stressors. Further investigation suggested several candidate proteins including several neurodevelopment, muscle, and detoxification proteins, but these have yet to be validated. These results provide insights into agriculture as a stressor for bumblebees, and signal for conservation action in light of ongoing anthropogenic changes.
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Affiliation(s)
- Alex F. Hart
- Ghent University, Faculty of Bioscience Engineering, Department of Plants and Crops, Lab of Agrozoology, Ghent, Belgium
| | - Jaro Verbeeck
- Ghent University, Faculty of Bioscience Engineering, Department of Plants and Crops, Lab of Agrozoology, Ghent, Belgium
| | - Daniel Ariza
- Ghent University, Faculty of Bioscience Engineering, Department of Plants and Crops, Lab of Agrozoology, Ghent, Belgium
| | - Diego Cejas
- Laboratory of Zoology, Research Institute for Biosciences, University of Mons, Mons, Belgium
| | - Guillaume Ghisbain
- Laboratory of Zoology, Research Institute for Biosciences, University of Mons, Mons, Belgium
- Smithsonian Tropical Research Institute, Gamboa, Panama
| | - Hanna Honchar
- Institute for Evolutionary Ecology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Vladimir G. Radchenko
- Institute for Evolutionary Ecology, National Academy of Sciences of Ukraine, Kyiv, Ukraine
| | - Jakub Straka
- Charles University, Faculty of Science, Department of Zoology, Praha, Czech Republic
| | - Toshko Ljubomirov
- Institute of Biodiversity and Ecosystem Research—Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - Thomas Lecocq
- Université de Lorraine, INRAE, URAFPA, Nancy, France
| | | | - Simone Flaminio
- Council for Agricultural Research and Economics, Research Centre for Agriculture and Environment, Bologna, Italy
| | - Laura Bortolotti
- Council for Agricultural Research and Economics, Research Centre for Agriculture and Environment, Bologna, Italy
| | - Reet Karise
- Estonian University of Life Sciences, Institute of Agricultural and Environmental Sciences, Tartu, Estonia
| | - Ivan Meeus
- Ghent University, Faculty of Bioscience Engineering, Department of Plants and Crops, Lab of Agrozoology, Ghent, Belgium
| | - Guy Smagghe
- Ghent University, Faculty of Bioscience Engineering, Department of Plants and Crops, Lab of Agrozoology, Ghent, Belgium
| | - Nicolas Vereecken
- Agroecology Lab, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Peter Vandamme
- Laboratory of Microbiology, Department of Biochemistry and Microbiology, Ghent University, Ghent, Belgium
| | - Denis Michez
- Laboratory of Zoology, Research Institute for Biosciences, University of Mons, Mons, Belgium
| | - Kevin Maebe
- Ghent University, Faculty of Bioscience Engineering, Department of Plants and Crops, Lab of Agrozoology, Ghent, Belgium
- *Correspondence: Kevin Maebe,
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4
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Feigs JT, Holzhauer SIJ, Huang S, Brunet J, Diekmann M, Hedwall PO, Kramp K, Naaf T. Pollinator movement activity influences genetic diversity and differentiation of spatially isolated populations of clonal forest herbs. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.908258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
In agricultural landscapes, forest herbs live in small, spatially isolated forest patches. For their long-term survival, their populations depend on animals as genetic linkers that provide pollen- or seed-mediated gene flow among different forest patches. However, whether insect pollinators serve as genetic linkers among spatially isolated forest herb populations in agricultural landscapes remains to be shown. Here, we used population genetic methods to analyze: (A) the genetic diversity and genetic differentiation of populations of two common, slow-colonizing temperate forest herb species [Polygonatum multiflorum (L.) All. and Anemone nemorosa L.] in spatially isolated populations within three agricultural landscapes in Germany and Sweden and (B) the movement activity of their most relevant associated pollinator species, i.e., the bumblebee Bombus pascuorum (Scopoli, 1,763) and the hoverfly Melanostoma scalare (Fabricus, 1,794), respectively, which differ in their mobility. We tested whether the indicated pollinator movement activity affected the genetic diversity and genetic differentiation of the forest herb populations. Bumblebee movement indicators that solely indicated movement activity between the forest patches affected both genetic diversity and genetic differentiation of the associated forest herb P. multiflorum in a way that can be explained by pollen-mediated gene flow among the forest herb populations. In contrast, movement indicators reflecting the total movement activity at a forest patch (including within-forest patch movement activity) showed unexpected effects for both plant-pollinator pairs that might be explained by accelerated genetic drift due to enhanced sexual reproduction. Our integrated approach revealed that bumblebees serve as genetic linkers of associated forest herb populations, even if they are more than 2 km apart from each other. No such evidence was found for the forest associated hoverfly species which showed significant genetic differentiation among forest patches itself. Our approach also indicated that a higher within-forest patch movement activity of both pollinator species might enhance sexual recruitment and thus diminishes the temporal buffer that clonal growth provides against habitat fragmentation effects.
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5
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Conflitti IM, Arshad Imrit M, Morrison B, Sharma S, Colla SR, Zayed A. Bees in the six: Determinants of bumblebee habitat quality in urban landscapes. Ecol Evol 2022; 12:e8667. [PMID: 35356573 PMCID: PMC8935973 DOI: 10.1002/ece3.8667] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/03/2022] [Accepted: 02/07/2022] [Indexed: 12/02/2022] Open
Abstract
With growing urbanization, it is becoming increasingly important to design cities in a manner that sustains and enhances biodiversity and ecosystem services. Native bees are critical pollinators that have experienced substantive declines over the past several decades. These declines have captured the attention of the public, particularly urbanites, prompting a large interest in protecting pollinators and their habitats in cities across North America and Europe. Unfortunately, we currently lack research about specific features of urban environments that can enhance the fitness of pollinators. We carried out an intensive study of Bombus impatiens, the Common Eastern Bumblebee, in the city of Toronto (Canada's largest city), to better understand landscape parameters that provide high-quality habitat for this species and likely other generalist bees. We divided the city into 270 grid cells and sampled a large number of worker bees, which were then genotyped at twelve hypervariable microsatellite loci. The genetic data allowed us to quantify the effective number of colonies and foraging distance for bumblebees in our study area. We then asked how the city's landscape and human population demography and income are associated with the availability of high-quality habitat for B. impatiens. Several aspects of Toronto's landscape influenced colony density and foraging range. Urbanization had a clear effect on both colony density and foraging distance of workers. On the other hand, functional (i.e., not cosmetic) green space was often associated with higher quality habitats for bumblebees. Our study suggests several planning strategies to enhance habitat quality for bumblebees and other pollinators in cities.
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Affiliation(s)
| | | | | | - Sapna Sharma
- Department of BiologyYork UniversityTorontoOntarioCanada
| | - Sheila R. Colla
- Faculty of Environmental & Urban ChangeYork UniversityTorontoOntarioCanada
| | - Amro Zayed
- Department of BiologyYork UniversityTorontoOntarioCanada
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6
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Glück M, Geue JC, Thomassen HA. Environmental differences explain subtle yet detectable genetic structure in a widespread pollinator. BMC Ecol Evol 2022; 22:8. [PMID: 35105300 PMCID: PMC8808969 DOI: 10.1186/s12862-022-01963-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 01/18/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The environment is a strong driver of genetic structure in many natural populations, yet often neglected in population genetic studies. This may be a particular problem in vagile species, where subtle structure cannot be explained by limitations to dispersal. Consequently, these species might falsely be considered quasi-panmictic and hence potentially mismanaged. A species this might apply to, is the buff-tailed bumble bee (Bombus terrestris), an economically important and widespread pollinator, which is considered to be quasi-panmictic at mainland continental scales. Here we aimed to (i) quantify genetic structure in 21+ populations of the buff-tailed bumble bee, sampled throughout two Eastern European countries, and (ii) analyse the degree to which structure is explained by environmental differences, habitat permeability and geographic distance. Using 12 microsatellite loci, we characterised populations of this species with Fst analyses, complemented by discriminant analysis of principal components and Bayesian clustering approaches. We then applied generalized dissimilarity modelling to simultaneously assess the informativeness of geographic distance, habitat permeability and environmental differences among populations in explaining divergence. RESULTS Genetic structure of the buff-tailed bumble bee quantified by means of Fst was subtle and not detected by Bayesian clustering. Discriminant analysis of principal components suggested insignificant but still noticeable structure that slightly exceeded estimates obtained through Fst analyses. As expected, geographic distance and habitat permeability were not informative in explaining the spatial pattern of genetic divergence. Yet, environmental variables related to temperature, vegetation and topography were highly informative, explaining between 33 and 39% of the genetic variation observed. CONCLUSIONS In contrast to previous studies reporting quasi-panmixia in continental populations of this species, we demonstrated the presence of subtle population structure related to environmental heterogeneity. Environmental data proved to be highly useful in unravelling the drivers of genetic structure in this vagile and opportunistic species. We highlight the potential of including these data to obtain a better understanding of population structure and the processes driving it in species considered to be quasi-panmictic.
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Affiliation(s)
- Marcel Glück
- Comparative Zoology, Institute of Evolution and Ecology, Tübingen University, Tübingen, Germany.
| | - Julia C Geue
- Department of Ecology and Environmental Sciences, Umeå University, Umeå, Sweden
| | - Henri A Thomassen
- Comparative Zoology, Institute of Evolution and Ecology, Tübingen University, Tübingen, Germany
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7
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Butler RG, Lage C, Dobrin SE, Staples JK, Venturini E, Frank J, Drummond FA. Maine's Bumble Bees (Hymenoptera: Apidae)-Part 2: Comparisons of a Common (Bombus ternarius) and a Rare (Bombus terricola) Species. ENVIRONMENTAL ENTOMOLOGY 2021; 50:1358-1369. [PMID: 34532731 DOI: 10.1093/ee/nvab100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Indexed: 06/13/2023]
Abstract
As part of a quantitative survey of Maine's bumble bee fauna (Butler et al. 2021), we compared and contrasted genetic diversity, parasite and pathogen burdens, and pesticide exposure of the relatively common Bombus ternarius Say, 1937 and the spatially rare Bombus terricola Kirby, 1837. We recorded 11 Bombus species at 40 survey sites across three Maine ecoregions, and B. ternarius was the most common species, while B. terricola was spatially rare. Nonmetric multidimensional scaling indicated that B. terricola was associated with higher elevation sites in Maine, while B. ternarius was more broadly distributed in the state. Pollinator networks constructed for each bee indicated B. ternarius foraged on more plant species than B. terricola, but that there was considerable overlap (73%) in plant species visited. Genetic diversity was greater in the spatially restricted B. terricola, whereas the widely distributed B. ternarius was characterized by greater genetic differentiation among regions. Bombus terricola had higher molecular marker levels of the microsporidian fungi Nosema spp. and the trypanosome Crithidia spp., and both species had high levels of Trypanosoma spp. exposure. No Western Honey Bee (Apis mellifera, Linnaeus, 1758) viruses were detected in either species. Pesticides were not detected in pollen samples collected from workers of either species, and B. ternarius worker tissue samples exhibited only trace levels of diflubenzuron.
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Affiliation(s)
- Ronald G Butler
- Department of Biology, University of Maine, Farmington, ME, USA
| | - Christopher Lage
- College of Arts and Sciences, University of Maine Augusta, Augusta, ME, USA
| | - Scott E Dobrin
- Collegium of Natural Sciences, Eckerd College, St. Petersburg, FL, USA
| | - Joseph K Staples
- Department of Environmental Science and Policy, University of Southern Maine, Gorham, ME, USA
| | - Eric Venturini
- Maine Wild Blueberry Commission, University of Maine, Orono, ME, USA
| | - Jereme Frank
- Maine Forest Service, Department of Agriculture Conservation and Forestry, Old Town, ME, USA
| | - Francis A Drummond
- Professor Emeritus, School of Biology and Ecology, University of Maine, Orono, ME, USA
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8
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Major EI, Höhn M, Avanzi C, Fady B, Heer K, Opgenoorth L, Piotti A, Popescu F, Postolache D, Vendramin GG, Csilléry K. Fine-scale spatial genetic structure across the species range reflects recent colonization of high elevation habitats in silver fir (Abies alba Mill.). Mol Ecol 2021; 30:5247-5265. [PMID: 34365696 PMCID: PMC9291806 DOI: 10.1111/mec.16107] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 07/07/2021] [Accepted: 07/16/2021] [Indexed: 12/03/2022]
Abstract
Variation in genetic diversity across species ranges has long been recognized as highly informative for assessing populations’ resilience and adaptive potential. The spatial distribution of genetic diversity within populations, referred to as fine‐scale spatial genetic structure (FSGS), also carries information about recent demographic changes, yet it has rarely been connected to range scale processes. We studied eight silver fir (Abies alba Mill.) population pairs (sites), growing at high and low elevations, representative of the main genetic lineages of the species. A total of 1,368 adult trees and 540 seedlings were genotyped using 137 and 116 single nucleotide polymorphisms (SNPs), respectively. Sites revealed a clear east‐west isolation‐by‐distance pattern consistent with the post‐glacial colonization history of the species. Genetic differentiation among sites (FCT = 0.148) was an order of magnitude greater than between elevations within sites (FSC = 0.031), nevertheless high elevation populations consistently exhibited a stronger FSGS. Structural equation modelling revealed that elevation and, to a lesser extent, post‐glacial colonization history, but not climatic and habitat variables, were the best predictors of FSGS across populations. These results suggest that high elevation habitats have been colonized more recently across the species range. Additionally, paternity analysis revealed a high reproductive skew among adults and a stronger FSGS in seedlings than in adults, suggesting that FSGS may conserve the signature of demographic changes for several generations. Our results emphasize that spatial patterns of genetic diversity within populations provide information about demographic history complementary to non‐spatial statistics, and could be used for genetic diversity monitoring, especially in forest trees.
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Affiliation(s)
- Enikő I Major
- Department of Botany, Hungarian University of Agronomy and Life Sciences, Budapest, Hungary
| | - Mária Höhn
- Department of Botany, Hungarian University of Agronomy and Life Sciences, Budapest, Hungary
| | - Camilla Avanzi
- Institute of Biosciences and Bioresources, National Research Council of Italy (IBBR-CNR), Sesto Fiorentino (Firenze), Italy
| | - Bruno Fady
- Ecology of Mediterranean Forests (URFM), INRAE, UR629, Avignon, France
| | - Katrin Heer
- Conservation Biology, Philipps Universität Marburg, Marburg, Germany
| | - Lars Opgenoorth
- Plant Ecology and Geobotany, Philipps Universität Marburg, Marburg, Germany.,Biodiversity and Conservation Biology, Swiss Federal Research Institute WSL, Birmensdorf, Switzerland
| | - Andrea Piotti
- Institute of Biosciences and Bioresources, National Research Council of Italy (IBBR-CNR), Sesto Fiorentino (Firenze), Italy
| | - Flaviu Popescu
- National Institute for Research and Development in Forestry "Marin Drăcea", Ilfov County, Romania
| | - Dragos Postolache
- National Institute for Research and Development in Forestry "Marin Drăcea", Ilfov County, Romania
| | - Giovanni G Vendramin
- Institute of Biosciences and Bioresources, National Research Council of Italy (IBBR-CNR), Sesto Fiorentino (Firenze), Italy
| | - Katalin Csilléry
- Land Change Science, Swiss Federal Research Institute WSL, Birmensdorf, Switzerland
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9
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Kelemen EP, Rehan SM. Conservation insights from wild bee genetic studies: Geographic differences, susceptibility to inbreeding, and signs of local adaptation. Evol Appl 2021; 14:1485-1496. [PMID: 34178099 PMCID: PMC8210791 DOI: 10.1111/eva.13221] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 02/19/2021] [Accepted: 03/07/2021] [Indexed: 12/12/2022] Open
Abstract
Conserving bees are critical both ecologically and economically. Genetic tools are valuable for monitoring these vital pollinators since tracking these small, fast-flying insects by traditional means is difficult. By surveying the current state of the literature, this review discusses how recent advances in landscape genetic and genomic research are elucidating how wild bees respond to anthropogenic threats. Current literature suggests that there may be geographic differences in the vulnerability of bee species to landscape changes. Populations of temperate bee species are becoming more isolated and more genetically depauperate as their landscape becomes more fragmented, but tropical bee species appear unaffected. These differences may be an artifact of historical differences in land-use, or it suggests that different management plans are needed for temperate and tropical bee species. Encouragingly, genetic studies on invasive bee species indicate that low levels of genetic diversity may not lead to rapid extinction in bees as once predicted. Additionally, next-generation sequencing has given researchers the power to identify potential genes under selection, which are likely critical to species' survival in their rapidly changing environment. While genetic studies provide insights into wild bee biology, more studies focusing on a greater phylogenetic and life-history breadth of species are needed. Therefore, caution should be taken when making broad conservation decisions based on the currently few species examined.
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10
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Brock RE, Crowther LP, Wright DJ, Richardson DS, Carvell C, Taylor MI, Bourke AFG. No severe genetic bottleneck in a rapidly range-expanding bumblebee pollinator. Proc Biol Sci 2021; 288:20202639. [PMID: 33563116 PMCID: PMC7893223 DOI: 10.1098/rspb.2020.2639] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Genetic bottlenecks can limit the success of populations colonizing new ranges. However, successful colonizations can occur despite bottlenecks, a phenomenon known as the genetic paradox of invasion. Eusocial Hymenoptera such as bumblebees (Bombus spp.) should be particularly vulnerable to genetic bottlenecks, since homozygosity at the sex-determining locus leads to costly diploid male production (DMP). The Tree Bumblebee (Bombus hypnorum) has rapidly colonized the UK since 2001 and has been highlighted as exemplifying the genetic paradox of invasion. Using microsatellite genotyping, combined with the first genetic estimates of DMP in UK B. hypnorum, we tested two alternative genetic hypotheses ('bottleneck' and 'gene flow' hypotheses) for B. hypnorum's colonization of the UK. We found that the UK population has not undergone a recent severe genetic bottleneck and exhibits levels of genetic diversity falling between those of widespread and range-restricted Bombus species. Diploid males occurred in 15.4% of reared colonies, leading to an estimate of 21.5 alleles at the sex-determining locus. Overall, the findings show that this population is not bottlenecked, instead suggesting that it is experiencing continued gene flow from the continental European source population with only moderate loss of genetic diversity, and does not exemplify the genetic paradox of invasion.
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Affiliation(s)
- Ryan E Brock
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, Norfolk NR4 7TJ, UK
| | - Liam P Crowther
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, Norfolk NR4 7TJ, UK
| | - David J Wright
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, Norfolk NR4 7TJ, UK.,Earlham Institute, Norwich Research Park, Colney Lane, Norwich, Norfolk NR4 7UZ, UK
| | - David S Richardson
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, Norfolk NR4 7TJ, UK
| | - Claire Carvell
- UK Centre for Ecology and Hydrology, Maclean Building, Crowmarsh Gifford, Wallingford, Oxfordshire OX10 8BB, UK
| | - Martin I Taylor
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, Norfolk NR4 7TJ, UK
| | - Andrew F G Bourke
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich, Norfolk NR4 7TJ, UK
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11
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Timberlake TP, Vaughan IP, Baude M, Memmott J. Bumblebee colony density on farmland is influenced by late‐summer nectar supply and garden cover. J Appl Ecol 2021. [DOI: 10.1111/1365-2664.13826] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Thomas P. Timberlake
- School of Biological Sciences University of Bristol Bristol UK
- NERC Biomolecular Analysis Facility Department of Animal and Plant Sciences University of Sheffield Sheffield UK
| | - Ian P. Vaughan
- Cardiff School of BiosciencesCardiff University Cardiff UK
| | | | - Jane Memmott
- School of Biological Sciences University of Bristol Bristol UK
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12
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Ballare KM, Jha S. Genetic structure across urban and agricultural landscapes reveals evidence of resource specialization and philopatry in the Eastern carpenter bee, Xylocopa virginica L. Evol Appl 2021; 14:136-149. [PMID: 33519961 PMCID: PMC7819568 DOI: 10.1111/eva.13078] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 05/27/2020] [Accepted: 07/06/2020] [Indexed: 01/03/2023] Open
Abstract
Human activity continues to impact global ecosystems, often by altering the habitat suitability, persistence, and movement of native species. It is thus critical to examine the population genetic structure of key ecosystemservice providers across human-altered landscapes to provide insight into the forces that limit wildlife persistence and movement across multiple spatial scales. While some studies have documented declines of bee pollinators as a result of human-mediated habitat alteration, others suggest that some bee species may benefit from altered land use due to increased food or nesting resource availability; however, detailed population and dispersal studies have been lacking. We investigated the population genetic structure of the Eastern carpenter bee, Xylocopa virginica, across 14 sites spanning more than 450 km, including dense urban areas and intensive agricultural habitat. X. virginica is a large bee which constructs nests in natural and human-associated wooden substrates, and is hypothesized to disperse broadly across urbanizing areas. Using 10 microsatellite loci, we detected significant genetic isolation by geographic distance and significant isolation by land use, where urban and cultivated landscapes were most conducive to gene flow. This is one of the first population genetic analyses to provide evidence of enhanced insect dispersal in human-altered areas as compared to semi-natural landscapes. We found moderate levels of regional-scale population structure across the study system (G'ST = 0.146) and substantial co-ancestry between the sampling regions, where co-ancestry patterns align with major human transportation corridors, suggesting that human-mediated movement may be influencing regional dispersal processes. Additionally, we found a signature of strong site-level philopatry where our analyses revealed significant levels of high genetic relatedness at very fine scales (<1 km), surprising given X. virginica's large body size. These results provide unique genetic evidence that insects can simultaneously exhibit substantial regional dispersal as well as high local nesting fidelity in landscapes dominated by human activity.
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Affiliation(s)
- Kimberly M. Ballare
- Department of Integrative BiologyBiological LaboratoriesThe University of Texas at AustinAustinTXUSA
- Department of Ecology and Evolutionary BiologyUniversity of California Santa CruzSanta CruzCAUSA
| | - Shalene Jha
- Department of Integrative BiologyBiological LaboratoriesThe University of Texas at AustinAustinTXUSA
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13
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Large-scale genetic admixture suggests high dispersal in an insect pest, the apple fruit moth. PLoS One 2020; 15:e0236509. [PMID: 32785243 PMCID: PMC7423104 DOI: 10.1371/journal.pone.0236509] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 07/07/2020] [Indexed: 11/25/2022] Open
Abstract
Knowledge about population genetic structure and dispersal capabilities is important for the development of targeted management strategies for agricultural pest species. The apple fruit moth, Argyresthia conjugella (Lepidoptera, Yponomeutidae), is a pre-dispersal seed predator. Larvae feed on rowanberries (Sorbus aucuparia), and when rowanberry seed production is low (i.e., inter-masting), the moth switches from laying eggs in rowanberries to apples (Malus domestica), resulting in devastating losses in apple crops. Using genetic methods, we investigated if this small moth expresses any local genetic structure, or alternatively if gene flow may be high within the Scandinavian Peninsula (~850.000 km2, 55o - 69o N). Genetic diversity was found to be high (n = 669, mean He = 0.71). For three out of ten tetranucleotide STRs, we detected heterozygote deficiency caused by null alleles, but tests showed little impact on the overall results. Genetic differentiation between the 28 sampling locations was very low (average FST = 0.016, P < 0.000). Surprisingly, we found that all individuals could be assigned to one of two non-geographic genetic clusters, and that a third, geographic cluster was found to be associated with 30% of the sampling locations, with weak but significant signals of isolation-by-distance. Conclusively, our findings suggest wind-aided dispersal and spatial synchrony of both sexes of the apple fruit moth over large areas and across very different climatic zones. We speculate that the species may recently have had two separate genetic origins caused by a genetic bottleneck after inter-masting, followed by rapid dispersal and homogenization of the gene pool across the landscape. We suggest further investigations of spatial genetic similarities and differences of the apple fruit moth at larger geographical scales, through life-stages, across inter-masting, and during attacks by the parasitoid wasp (Microgaster politus).
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Habitat Preference and Phenology of Nest Seeking and Foraging Spring Bumble Bee Queens in Northeastern North America (Hymenoptera: Apidae: Bombus). AMERICAN MIDLAND NATURALIST 2019. [DOI: 10.1674/0003-0031-182.2.131] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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15
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Vanderplanck M, Roger N, Moerman R, Ghisbain G, Gérard M, Popowski D, Granica S, Fournier D, Meeus I, Piot N, Smagghe G, Terrana L, Michez D. Bumble bee parasite prevalence but not genetic diversity impacted by the invasive plant
Impatiens glandulifera. Ecosphere 2019. [DOI: 10.1002/ecs2.2804] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Affiliation(s)
- Maryse Vanderplanck
- Research Institute for Biosciences Laboratory of Zoology University of Mons Place du Parc 20 Mons B‐7000 Belgium
- Evo‐Eco‐Paleo ‐ UMR 8198 CNRS Université de Lille Lille F‐59000 France
| | - Nathalie Roger
- Research Institute for Biosciences Laboratory of Zoology University of Mons Place du Parc 20 Mons B‐7000 Belgium
| | - Romain Moerman
- Research Institute for Biosciences Laboratory of Zoology University of Mons Place du Parc 20 Mons B‐7000 Belgium
- Evolutionary Biology and Ecology Université libre de Bruxelles Av. F.D. Roosevelt 50 Brussels B‐1000 Belgium
| | - Guillaume Ghisbain
- Research Institute for Biosciences Laboratory of Zoology University of Mons Place du Parc 20 Mons B‐7000 Belgium
| | - Maxence Gérard
- Research Institute for Biosciences Laboratory of Zoology University of Mons Place du Parc 20 Mons B‐7000 Belgium
| | - Dominik Popowski
- Department of Pharmacognosy and Molecular Basis of Phytotherapy Medical University of Warsaw Banacha 1 Warsaw 02‐097 Poland
| | - Sebastian Granica
- Department of Pharmacognosy and Molecular Basis of Phytotherapy Medical University of Warsaw Banacha 1 Warsaw 02‐097 Poland
| | - Denis Fournier
- Evolutionary Biology and Ecology Université libre de Bruxelles Av. F.D. Roosevelt 50 Brussels B‐1000 Belgium
| | - Ivan Meeus
- Department of Crop Protection Faculty of Bioscience Engineering Laboratory of Agrozoology Ghent University Coupure Links 653 Ghent B‐9000 Belgium
| | - Niels Piot
- Department of Crop Protection Faculty of Bioscience Engineering Laboratory of Agrozoology Ghent University Coupure Links 653 Ghent B‐9000 Belgium
| | - Guy Smagghe
- Department of Crop Protection Faculty of Bioscience Engineering Laboratory of Agrozoology Ghent University Coupure Links 653 Ghent B‐9000 Belgium
| | - Lucas Terrana
- Research Institute for Biosciences Biology of Marine Organisms and Biomimetics University of Mons Place du Parc 20 Mons B‐7000 Belgium
| | - Denis Michez
- Research Institute for Biosciences Laboratory of Zoology University of Mons Place du Parc 20 Mons B‐7000 Belgium
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16
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Pattern of population structuring between Belgian and Estonian bumblebees. Sci Rep 2019; 9:9651. [PMID: 31273269 PMCID: PMC6609714 DOI: 10.1038/s41598-019-46188-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 06/24/2019] [Indexed: 11/23/2022] Open
Abstract
Several population genetic studies investigated the extent of gene flow and population connectivity in bumblebees. In general, no restriction in gene flow is considered for mainland populations of common bumblebee species. Whether this assumption holds true for all species is not known. An assessment of bumblebee genetic structure in the context of their geographic distribution is needed to prioritize conservation and management needs. Here, we conducted a genetic study on seven bumblebee species occurring in Belgium and Estonia. Using 16 microsatellite markers, we investigated genetic diversity and population structuring in each species. This is the first study investigating population structuring of both declining and stable bumblebee species on both small and large geographic scales. Our results showed no or only low population structuring between the populations of the restricted and declining bumblebee species on both scales, while significant structuring was found for populations of the common species on the larger scale. The latter result, which may be due to human or environmental changes in the landscape, implies the need for the conservation of also widespread bumblebee species. Conservation strategies to improve gene flow and connectivity of populations could avoid the isolation and future losses of populations of these important species.
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17
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Makinson JC, Woodgate JL, Reynolds A, Capaldi EA, Perry CJ, Chittka L. Harmonic radar tracking reveals random dispersal pattern of bumblebee (Bombus terrestris) queens after hibernation. Sci Rep 2019; 9:4651. [PMID: 30894590 PMCID: PMC6427042 DOI: 10.1038/s41598-019-40355-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 02/12/2019] [Indexed: 11/16/2022] Open
Abstract
The dispersal of animals from their birth place has profound effects on the immediate survival and longer-term persistence of populations. Molecular studies have estimated that bumblebee colonies can be established many kilometers from their queens’ natal nest site. However, little is known about when and how queens disperse during their lifespan. One possible life stage when dispersal may occur, is directly after emerging from hibernation. Here, harmonic radar tracking of artificially over-wintered Bombus terrestris queens shows that they spend most of their time resting on the ground with intermittent very short flights (duration and distance). We corroborate these behaviors with observations of wild queen bees, which show similar prolonged resting periods between short flights, indicating that the behavior of our radar-monitored bees was not due to the attachment of transponders nor an artifact of the bees being commercially reared. Radar-monitored flights were not continuously directed away from the origin, suggesting that bees were not intentionally trying to disperse from their artificial emergence site. Flights did not loop back to the origin suggesting bees were not trying to remember or get back to the original release site. Most individuals dispersed from the range of the harmonic radar within less than two days and did not return. Flight directions were not different from a uniform distribution and flight lengths followed an exponential distribution, both suggesting random dispersal. A random walk model based on our observed data estimates a positive net dispersal from the origin over many flights, indicating a biased random dispersal, and estimates the net displacement of queens to be within the range of those estimated in genetic studies. We suggest that a distinct post-hibernation life history stage consisting mostly of rest with intermittent short flights and infrequent foraging fulfils the dual purpose of ovary development and dispersal prior to nest searching.
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Affiliation(s)
- James C Makinson
- School of Biological and Chemical Sciences, Queen Mary University of London, London, E1 4NS, UK.,Hawkesbury Institute for the Environment, Western Sydney University, Penrith, New South Wales, Australia
| | - Joseph L Woodgate
- School of Biological and Chemical Sciences, Queen Mary University of London, London, E1 4NS, UK
| | | | | | - Clint J Perry
- School of Biological and Chemical Sciences, Queen Mary University of London, London, E1 4NS, UK.
| | - Lars Chittka
- School of Biological and Chemical Sciences, Queen Mary University of London, London, E1 4NS, UK.,Wissenschaftskolleg, Institute for Advanced Study, D19413, Berlin, Germany
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18
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Crowther LP, Wright DJ, Richardson DS, Carvell C, Bourke AFG. Spatial ecology of a range-expanding bumble bee pollinator. Ecol Evol 2019; 9:986-997. [PMID: 30805135 PMCID: PMC6374649 DOI: 10.1002/ece3.4722] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 09/20/2018] [Accepted: 10/11/2018] [Indexed: 01/16/2023] Open
Abstract
Molecular methods have greatly increased our understanding of the previously cryptic spatial ecology of bumble bees (Bombus spp.), with knowledge of the spatial ecology of these bees being central to conserving their essential pollination services. Bombus hypnorum, the Tree Bumble Bee, is unusual in that it has recently rapidly expanded its range, having colonized much of the UK mainland since 2001. However, the spatial ecology of B. hypnorum has not previously been investigated. To address this issue, and to investigate whether specific features of the spatial ecology of B. hypnorum are associated with its rapid range expansion, we used 14 microsatellite markers to estimate worker foraging distance, nest density, between-year lineage survival rate and isolation by distance in a representative UK B. hypnorum population. After assigning workers to colonies based on full or half sibship, we estimated the mean colony-specific worker foraging distance as 103.6 m, considerably less than values reported from most other bumble bee populations. Estimated nest density was notably high (2.56 and 0.72 colonies ha-1 in 2014 and 2015, respectively), estimated between-year lineage survival rate was 0.07, and there was no evidence of fine-scale isolation by distance. In addition, genotyping stored sperm dissected from sampled queens confirmed polyandry in this population (mean minimum mating frequency of 1.7 males per queen). Overall, our findings establish critical spatial ecological parameters and the mating system of this unusual bumble bee population and suggest that short worker foraging distances and high nest densities are associated with its rapid range expansion.
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Affiliation(s)
- Liam P. Crowther
- School of Environmental SciencesUniversity of East Anglia, Norwich Research ParkNorwichUK
| | - David J. Wright
- School of Biological SciencesUniversity of East Anglia, Norwich Research Park NorwichUK
| | - David S. Richardson
- School of Biological SciencesUniversity of East Anglia, Norwich Research Park NorwichUK
| | - Claire Carvell
- NERC Centre for Ecology & HydrologyCrowmarsh GiffordWallingfordUK
| | - Andrew F. G. Bourke
- School of Biological SciencesUniversity of East Anglia, Norwich Research Park NorwichUK
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19
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Theodorou P, Radzevičiūtė R, Kahnt B, Soro A, Grosse I, Paxton RJ. Genome-wide single nucleotide polymorphism scan suggests adaptation to urbanization in an important pollinator, the red-tailed bumblebee ( Bombus lapidarius L.). Proc Biol Sci 2018; 285:20172806. [PMID: 29669900 PMCID: PMC5936727 DOI: 10.1098/rspb.2017.2806] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Accepted: 03/26/2018] [Indexed: 01/24/2023] Open
Abstract
Urbanization is considered a global threat to biodiversity; the growth of cities results in an increase in impervious surfaces, soil and air pollution, fragmentation of natural vegetation and invasion of non-native species, along with numerous environmental changes, including the heat island phenomenon. The combination of these effects constitutes a challenge for both the survival and persistence of many native species, while also imposing altered selective regimes. Here, using 110 314 single nucleotide polymorphisms generated by restriction-site-associated DNA sequencing, we investigated the genome-wide effects of urbanization on putative neutral and adaptive genomic diversity in a major insect pollinator, Bombus lapidarius, collected from nine German cities and nine paired rural sites. Overall, genetic differentiation among sites was low and there was no obvious genome-wide genetic structuring, suggesting the absence of strong effects of urbanization on gene flow. We nevertheless identified several loci under directional selection, a subset of which was associated with urban land use, including the percentage of impervious surface surrounding each sampling site. Overall, our results provide evidence of local adaptation to urbanization in the face of gene flow in a highly mobile insect pollinator.
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Affiliation(s)
- Panagiotis Theodorou
- General Zoology, Institute of Biology, Martin Luther University Halle-Wittenberg, Hoher Weg 8, 06120 Halle (Saale), Germany
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103 Leipzig, Germany
| | - Rita Radzevičiūtė
- General Zoology, Institute of Biology, Martin Luther University Halle-Wittenberg, Hoher Weg 8, 06120 Halle (Saale), Germany
- Molecular Evolution and Animal Systematics, Institute of Biology, University of Leipzig, Talstrasse 33, 04103 Leipzig, Germany
- Life Sciences Center, Vilnius University, Saulėtekio al. 7, 10257 Vilnius, Lithuania
| | - Belinda Kahnt
- General Zoology, Institute of Biology, Martin Luther University Halle-Wittenberg, Hoher Weg 8, 06120 Halle (Saale), Germany
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103 Leipzig, Germany
| | - Antonella Soro
- General Zoology, Institute of Biology, Martin Luther University Halle-Wittenberg, Hoher Weg 8, 06120 Halle (Saale), Germany
| | - Ivo Grosse
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103 Leipzig, Germany
- Institute of Computer Science, Martin Luther University Halle-Wittenberg, Von-Seckendorff-Platz 1, 06120 Halle (Saale), Germany
| | - Robert J Paxton
- General Zoology, Institute of Biology, Martin Luther University Halle-Wittenberg, Hoher Weg 8, 06120 Halle (Saale), Germany
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Deutscher Platz 5e, 04103 Leipzig, Germany
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20
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Haran JM, Rossi JP, Pajares J, Bonifacio L, Naves P, Roques A, Roux G. Multi-scale and multi-site resampling of a study area in spatial genetics: implications for flying insect species. PeerJ 2017; 5:e4135. [PMID: 29259842 PMCID: PMC5733902 DOI: 10.7717/peerj.4135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Accepted: 11/14/2017] [Indexed: 11/25/2022] Open
Abstract
The use of multiple sampling areas in landscape genetic analysis has been recognized as a useful way of generalizing the patterns of environmental effects on organism gene flow. It reduces the variability in inference which can be substantially affected by the scale of the study area and its geographic location. However, empirical landscape genetic studies rarely consider multiple sampling areas due to the sampling effort required. In this study, we explored the effects of environmental features on the gene flow of a flying long-horned beetle (Monochamus galloprovincialis) using a landscape genetics approach. To account for the unknown scale of gene flow and the multiple local confounding effects of evolutionary history and landscape changes on inference, we developed a way of resampling study areas on multiple scales and in multiple locations (sliding windows) in a single large-scale sampling design. Landscape analyses were conducted in 3*104 study areas ranging in scale from 220 to 1,000 km and spread over 132 locations on the Iberian Peninsula. The resampling approach made it possible to identify the features affecting the gene flow of this species but also showed high variability in inference among the scales and the locations tested, independent of the variation in environmental features. This method provides an opportunity to explore the effects of environmental features on organism gene flow on the whole and reach conclusions about general landscape effects on their dispersal, while limiting the sampling effort to a reasonable level.
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Affiliation(s)
- Julien M. Haran
- UR633 Zoologie Forestière, INRA, Orléans, France
- CBGP, CIRAD, Montpellier SupAgro, INRA, IRD, Univ. Montpellier, Montpellier, France CIRAD, CBGP, Montpellier, France
| | - Jean-Pierre Rossi
- CBGP, INRA, CIRAD, IRD, Montpellier SupAgro, Univ. Montpellier, INRA, Montpellier, France
| | - Juan Pajares
- Sustainable Forest Management Res Inst, Universidad de Valladolid, Palencia, Spain
| | - Luis Bonifacio
- Instituto Nacional de Investigacao Agraria e Veterinaria, INIAV, Oeiras, Portugal
| | - Pedro Naves
- Instituto Nacional de Investigacao Agraria e Veterinaria, INIAV, Oeiras, Portugal
| | - Alain Roques
- UR633 Zoologie Forestière, INRA, Orléans, France
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21
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Suni SS, Scott Z, Averill A, Whiteley A. Population genetics of wild and managed pollinators: implications for crop pollination and the genetic integrity of wild bees. CONSERV GENET 2017. [DOI: 10.1007/s10592-017-0955-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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22
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Carvell C, Bourke AFG, Dreier S, Freeman SN, Hulmes S, Jordan WC, Redhead JW, Sumner S, Wang J, Heard MS. Bumblebee family lineage survival is enhanced in high-quality landscapes. Nature 2017; 543:547-549. [DOI: 10.1038/nature21709] [Citation(s) in RCA: 129] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 02/15/2017] [Indexed: 02/05/2023]
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23
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Inferring the foraging ranges of social bees from sibling genotypes sampled across discrete locations. CONSERV GENET 2017. [DOI: 10.1007/s10592-017-0941-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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24
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Françoso E, Zuntini AR, Carnaval AC, Arias MC. Comparative phylogeography in the Atlantic forest and Brazilian savannas: pleistocene fluctuations and dispersal shape spatial patterns in two bumblebees. BMC Evol Biol 2016; 16:267. [PMID: 27927169 PMCID: PMC5142330 DOI: 10.1186/s12862-016-0803-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2016] [Accepted: 10/14/2016] [Indexed: 01/23/2023] Open
Abstract
Background Bombus morio and B. pauloensis are sympatric widespread bumblebee species that occupy two major Brazilian biomes, the Atlantic forest and the savannas of the Cerrado. Differences in dispersion capacity, which is greater in B. morio, likely influence their phylogeographic patterns. This study asks which processes best explain the patterns of genetic variation observed in B. morio and B. pauloensis, shedding light on the phenomena that shaped the range of local populations and the spatial distribution of intra-specific lineages. Results Results suggest that Pleistocene climatic oscillations directly influenced the population structure of both species. Correlative species distribution models predict that the warmer conditions of the Last Interglacial contributed to population contraction, while demographic expansion happened during the Last Glacial Maximum. These results are consistent with physiological data suggesting that bumblebees are well adapted to colder conditions. Intra-specific mitochondrial genealogies are not congruent between the two species, which may be explained by their documented differences in dispersal ability. Conclusions While populations of the high-dispersal B. morio are morphologically and genetically homogeneous across the species range, B. pauloensis encompasses multiple (three) mitochondrial lineages, and show clear genetic, geographic, and morphological differences. Because the lineages of B. pauloensis are currently exposed to distinct climatic conditions (and elevations), parapatric diversification may occur within this taxon. The eastern portion of the state of São Paulo, the most urbanized area in Brazil, represents the center of genetic diversity for B. pauloensis. Electronic supplementary material The online version of this article (doi:10.1186/s12862-016-0803-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Elaine Françoso
- Instituto de Biociências, Universidade de São Paulo, Rua do Matão, 277, sala 320, 05508-090, São Paulo, SP, Brazil.
| | - Alexandre Rizzo Zuntini
- Instituto de Biologia, Universidade Estadual de Campinas, Rua Monteiro Lobato, 255, 13083-970, Campinas, SP, Brazil
| | - Ana Carolina Carnaval
- Department of Biology, City College of New York, New York, USA.,The Graduate Center, City University of New York, New York, NY, USA
| | - Maria Cristina Arias
- Instituto de Biociências, Universidade de São Paulo, Rua do Matão, 277, sala 320, 05508-090, São Paulo, SP, Brazil
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Population genetics and geometric morphometrics of the Bombus ephippiatus species complex with implications for its use as a commercial pollinator. CONSERV GENET 2016. [DOI: 10.1007/s10592-016-0903-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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26
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Genetic diversity in the locally declining Laserpitium prutenicum L. and the more common Selinum carvifolia (L.) L.: a “silent goodbye”? CONSERV GENET 2016. [DOI: 10.1007/s10592-016-0827-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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27
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Shell WA, Rehan SM. Development of Multiple Polymorphic Microsatellite Markers for Ceratina calcarata (Hymenoptera: Apidae) Using Genome-Wide Analysis. JOURNAL OF INSECT SCIENCE (ONLINE) 2016; 16:iew042. [PMID: 27324584 PMCID: PMC4913455 DOI: 10.1093/jisesa/iew042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/23/2016] [Accepted: 05/09/2016] [Indexed: 06/06/2023]
Abstract
The small carpenter bee, Ceratina calcarata (Robertson), is a widespread native pollinator across eastern North America. The behavioral ecology and nesting biology of C. calcarata has been relatively well-studied and the species is emerging as a model organism for both native pollinator and social evolution research. C. calcarata is subsocial: reproductively mature females provide extended maternal care to their brood. As such, studies of C. calcarata may also reveal patterns of relatedness and demography unique to primitively social Hymenoptera. Here, we present 21 microsatellite loci, isolated from the recently completed C. calcarata genome. Screening in 39 individuals across their distribution revealed that no loci were in linkage disequilibrium, nor did any deviate significantly from Hardy-Weinberg following sequential Bonferroni correction. Allele count ranged from 2 to 14, and observed and expected heterozygosities ranged from 0.08 to 0.82 (mean 0.47) and 0.26 to 0.88 (mean 0.56), respectively. These markers will enable studies of population-wide genetic structuring across C. calcarata's distribution. Such tools will also allow for exploration of between and within-colony relatedness in this subsocial native pollinator.
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Affiliation(s)
- Wyatt A Shell
- Department of Biological Sciences, University of New Hampshire, Durham, NH, USA
| | - Sandra M Rehan
- Department of Biological Sciences, University of New Hampshire, Durham, NH, USA
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28
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Redhead JW, Dreier S, Bourke AFG, Heard MS, Jordan WC, Sumner S, Wang J, Carvell C. Effects of habitat composition and landscape structure on worker foraging distances of five bumble bee species. ECOLOGICAL APPLICATIONS : A PUBLICATION OF THE ECOLOGICAL SOCIETY OF AMERICA 2016; 26:726-739. [PMID: 27411246 DOI: 10.1890/15-0546] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Bumble bees (Bombus spp.) are important pollinators of both crops and wildflowers. Their contribution to this essential ecosystem service has been threatened over recent decades by changes in land use, which have led to declines in their populations. In order to design effective conservation measures, it is important to understand the effects of variation in landscape composition and structure on the foraging activities of worker bumble bees. This is because the viability of individual colonies is likely to be affected by the trade-off between the energetic costs of foraging over greater distances and the potential gains from access to additional resources. We used field surveys, molecular genetics, and fine resolution remote sensing to estimate the locations of wild bumble bee nests and to infer foraging distances across a 20-km² agricultural landscape in southern England, UK. We investigated five species, including the rare B. ruderatus and ecologically similar but widespread B. hortorum. We compared worker foraging distances between species and examined how variation in landscape composition and structure affected foraging distances at the colony level. Mean worker foraging distances differed significantly between species. Bombus terrestris, B. lapidarius, and B. ruderatus exhibited significantly greater mean foraging distances (551, 536, and 501 m, respectively) than B. hortorum and B. pascuorum (336 and 272 m, respectively). There was wide variation in worker foraging distances between colonies of the same species, which was in turn strongly influenced by the amount and spatial configuration of available foraging habitats. Shorter foraging distances were found for colonies where the local landscape had high coverage and low fragmentation of semi-natural vegetation, including managed agri-environmental field margins. The strength of relationships between different landscape variables and foraging distance varied between species, for example the strongest relationship for B. ruderatus being with floral cover of preferred forage plants. Our findings suggest that management of landscape composition and configuration has the potential to reduce foraging distances across a range of bumble bee species. There is thus potential for improvements in the design and implementation of landscape management options, such as agri-environment schemes, aimed at providing foraging habitat for bumble bees and enhancing crop pollination services.
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Carvell C, Bourke AF, Osborne JL, Heard MS. Effects of an agri-environment scheme on bumblebee reproduction at local and landscape scales. Basic Appl Ecol 2015. [DOI: 10.1016/j.baae.2015.05.006] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Woodard SH, Lozier JD, Goulson D, Williams PH, Strange JP, Jha S. Molecular tools and bumble bees: revealing hidden details of ecology and evolution in a model system. Mol Ecol 2015; 24:2916-36. [PMID: 25865395 DOI: 10.1111/mec.13198] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Revised: 04/07/2015] [Accepted: 04/08/2015] [Indexed: 01/15/2023]
Abstract
Bumble bees are a longstanding model system for studies on behaviour, ecology and evolution, due to their well-studied social lifestyle, invaluable role as wild and managed pollinators, and ubiquity and diversity across temperate ecosystems. Yet despite their importance, many aspects of bumble bee biology have remained enigmatic until the rise of the genetic and, more recently, genomic eras. Here, we review and synthesize new insights into the ecology, evolution and behaviour of bumble bees that have been gained using modern genetic and genomic techniques. Special emphasis is placed on four areas of bumble bee biology: the evolution of eusociality in this group, population-level processes, large-scale evolutionary relationships and patterns, and immunity and resistance to pesticides. We close with a prospective on the future of bumble bee genomics research, as this rapidly advancing field has the potential to further revolutionize our understanding of bumble bees, particularly in regard to adaptation and resilience. Worldwide, many bumble bee populations are in decline. As such, throughout the review, connections are drawn between new molecular insights into bumble bees and our understanding of the causal factors involved in their decline. Ongoing and potential applications to bumble bee management and conservation are also included to demonstrate how genetics- and genomics-enabled research aids in the preservation of this threatened group.
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Affiliation(s)
- S Hollis Woodard
- Department of Integrative Biology, University of Texas, Austin, TX, 78712, USA.,Department of Entomology, University of California, Riverside, CA, 92521, USA
| | - Jeffrey D Lozier
- Department of Biological Sciences, University of Alabama, Tuscaloosa, AL, 35401, USA
| | - David Goulson
- Evolution, Behaviour & Environment, School of Life Sciences, University of Sussex, Falmer, East Sussex, BN1 9QG, UK
| | - Paul H Williams
- Department of Life Sciences, Natural History Museum, London, SW7 5BD, UK
| | - James P Strange
- USDA-ARS, Pollinating Insect Research Unit, Utah State University, Logan, UT, 84322, USA
| | - Shalene Jha
- Department of Integrative Biology, University of Texas, Austin, TX, 78712, USA
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