Loss rates of honey bee colonies during winter 2017/18 in 36 countries participating in the COLOSS survey, including effects of forage sources

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dc.contributor.authorGray, Alison
dc.contributor.authorBrodschneider, Robert
dc.contributor.authorAdjlane, Noureddine
dc.contributor.authorBallis, Alexis
dc.contributor.authorBrusbardis, Valters
dc.contributor.authorCharriere, Jean-Daniel
dc.contributor.authorChlebo, Robert
dc.contributor.authorCoffey, Mary F.
dc.contributor.authorCornelissen, Bram
dc.contributor.authorAmaro de Costa, Cristina
dc.contributor.authorCsáki, Tamás
dc.contributor.authorDahle, Bjorn
dc.contributor.authorDanihlik, Jirí
dc.contributor.authorDrazic, Marica Maja
dc.contributor.authorEvans, Garth
dc.contributor.authorFedoriak, Mariia
dc.contributor.authorForsythe, Ivan W.N.
dc.contributor.authorde Graaf, Dirk
dc.contributor.authorGregorc, Ales
dc.contributor.authorJohannesen, Jes
dc.contributor.authorKauko, Lassi
dc.contributor.authorKristiansen, Preben
dc.contributor.authorMartikkala, Maritta
dc.contributor.authorMartin-Hernández, Raquel
dc.contributor.authorMedina-Flores, Carlos Aurelio
dc.contributor.authorMutinelli, Franco
dc.contributor.authorPatalano, Solenn
dc.contributor.authorPetrov, Plamen
dc.contributor.authorRaudmets, Aivar
dc.contributor.authorRyzhikov, Vladimir A.
dc.contributor.authorSimon-Delso, Noa
dc.contributor.authorStevanovic, Jevrosima
dc.contributor.authorTopolska, Grazyna
dc.contributor.authorUzunov, Aleksandar
dc.contributor.authorVejsnaes, Flemming
dc.contributor.authorWilliams, Anthony
dc.contributor.authorZammit-Mangion, Marion
dc.contributor.authorSoroker, Victoria
dc.date.accessioned2020-07-17T08:49:15Z
dc.date.available2020-07-17T08:49:15Z
dc.date.issued2019-05-30
dc.descriptionPublication history: Accepted - 22 April 2019; Published online - 30 May 2019en_US
dc.description.abstractThis short article presents loss rates of honey bee colonies over winter 2017/18 from 36 countries, including 33 in Europe, from data collected using the standardized COLOSS questionnaire. The 25,363 beekeepers supplying data passing consistency checks in total wintered 544,879 colonies, and reported 26,379 (4.8%, 95% CI 4.7–5.0%) colonies with unsolvable queen problems, 54,525 (10.0%, 95% CI 9.8–10.2%) dead colonies after winter and another 8,220 colonies (1.5%, 95% CI 1.4–1.6%) lost through natural disaster. This gave an overall loss rate of 16.4% (95% CI 16.1–16.6%) of honey bee colonies during winter 2017/18, but this varied greatly from 2.0 to 32.8% between countries. The included map shows relative risks of winter loss at regional level. The analysis using the total data-set confirmed findings from earlier surveys that smaller beekeeping operations with at most 50 colonies suffer significantly higher losses than larger operations (p < .001). Beekeepers migrating their colonies had significantly lower losses than those not migrating (p < .001), a different finding from previous research. Evaluation of six different forage sources as potential risk factors for colony loss indicated that intensive foraging on any of five of these plant sources (Orchards, Oilseed Rape, Maize, Heather and Autumn Forage Crops) was associated with significantly higher winter losses. This finding requires further study and explanation. A table is included giving detailed results of loss rates and the impact of the tested forage sources for each country and overall.en_US
dc.description.sponsorshiphe colony loss monitoring group which carried out this study is a core project of the COLOSS research association (prevention of honey bee colony losses), which supports regular workshops facilitating research discussions and collaboration between group members. The authors thank very much all the beekeepers who gave their time to complete the COLOSS questionnaire providing the data for this work, and the additional COLOSS partners who contributed to survey organisation, data collection and/or data processing. The authors are also grateful to various national funding sources for their support of some of the monitoring surveys [including, in the Republic of Serbia, MPNTR-RS, through Grant No. (III46002), Slovenian Research Program P1-0164, and “Zukunft Biene” (grant number: 100972) in Austria], and acknowledge the financial support by the University of Graz for open access.en_US
dc.identifierhttp://hdl.handle.net/20.500.12518/160
dc.identifier.citationGray, A., Brodschneider, R., Adjlane, N., Ballis, A., Brusbardis, V., Charrière, J.-D., Chlebo, R., F. Coffey, M., Cornelissen, B., Amaro da Costa, C., Csáki, T., Dahle, B., Danihlík, J., Dražić, M. M., Evans, G., Fedoriak, M., Forsythe, I., de Graaf, D., Gregorc, A., Johannesen, J., Kauko, L., Kristiansen, P., Martikkala, M., Martín-Hernández, R., Medina-Flores, C. A., Mutinelli, F., Patalano, S., Petrov, P., Raudmets, A., Ryzhikov, V. A., Simon-Delso, N., Stevanovic, J., Topolska, G., Uzunov, A., Vejsnaes, F., Williams, A., Zammit-Mangion, M. and Soroker, V. (2019) ‘Loss rates of honey bee colonies during winter 2017/18 in 36 countries participating in the COLOSS survey, including effects of forage sources’, Journal of Apicultural Research. Informa UK Limited, 58(4), pp. 479–485. doi: 10.1080/00218839.2019.1615661.en_US
dc.identifier.issn2078-6913
dc.identifier.urihttps://doi.org/10.1080/00218839.2019.1615661
dc.language.isoenen_US
dc.publisherTaylor and Francisen_US
dc.rights2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/ licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way.en_US
dc.subjectApis mellifera, mortality, forage sources, colony winter losses, monitoring, beekeeping, survey, citizen scienceen_US
dc.titleLoss rates of honey bee colonies during winter 2017/18 in 36 countries participating in the COLOSS survey, including effects of forage sourcesen_US
dc.typeArticleen_US
dcterms.dateAccepted2019-04-22
dcterms.dateSubmitted2019-03-22

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