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dc.contributor.authorGray, Alison
dc.contributor.authorBrodschneider, Robert
dc.contributor.authorAdjane, Noureddine
dc.contributor.authorBallis, Alexis
dc.contributor.authorBrusbardis, Valters
dc.contributor.authorChlebo, Robert
dc.contributor.authorCoffey, Mary
dc.contributor.authorCornelissen, Bram
dc.contributor.authorDa Costa, Cristina
dc.contributor.authorCsaki, Tamas
dc.contributor.authorDahle, Bjorn
dc.contributor.authorDanihlik, Jiri
dc.contributor.authorDrazic, Marcia
dc.contributor.authorEvans, Garth
dc.contributor.authorFedoriak, Mariia
dc.contributor.authorForsythe, Ivan
dc.contributor.authorde Graaf, Dirk
dc.contributor.authorGregoric, Ales
dc.contributor.authorJohannessen, Jes
dc.contributor.authorKauko, Lassi
dc.contributor.authorKristiansen, Preben
dc.contributor.authorMartikkala, Maritta
dc.contributor.authorMedina-Flores, Carlos
dc.contributor.authorMutinelli, Franco
dc.contributor.authorPatalano, Solenn
dc.contributor.authorPetrov, Plamen
dc.contributor.authorRaudmets, Aivar
dc.contributor.authorRyzhikov, Vladimir
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.contributor.authorMartin-Hernandez, Raquel
dc.contributor.authorCharriere, Jean-Daniel
dc.date.accessioned2019-06-05T08:57:19Z
dc.date.available2019-06-05T08:57:19Z
dc.date.issued2019-05-30
dc.identifier.citationAlison Gray, Robert Brodschneider, Noureddine Adjlane, Alexis Ballis, Valters Brusbardis, Jean-Daniel Charrière, Robert Chlebo, Mary F. Coffey, Bram Cornelissen, Cristina Amaro da Costa, Tamás Csáki, Bjørn Dahle, Jiří Danihlík, Marica Maja Dražić, Garth Evans, Mariia Fedoriak, Ivan Forsythe, Dirk de Graaf, Aleš Gregorc, Jes Johannesen, Lassi Kauko, Preben Kristiansen, Maritta Martikkala, Raquel Martín-Hernández, Carlos Aurelio Medina-Flores, Franco Mutinelli, Solenn Patalano, Plamen Petrov, Aivar Raudmets, Vladimir A. Ryzhikov, Noa Simon-Delso, Jevrosima Stevanovic, Grazyna Topolska, Aleksandar Uzunov, Flemming Vejsnaes, Anthony Williams, Marion Zammit-Mangion & Victoria Soroker (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.en
dc.identifier.urihttps://www.dora.dmu.ac.uk/handle/2086/17929
dc.descriptionThe 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.en
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
dc.language.isoenen
dc.publisherTaylor and Francisen
dc.subjectApis Melliferaen
dc.subjectMortalityen
dc.subjectForage Sourcesen
dc.subjectColony Winter Lossesen
dc.subjectMonitoringen
dc.subjectBeekeepingen
dc.subjectSurveyen
dc.subjectCitizen Scienceen
dc.titleLoss rates of honey bee colonies during winter 2017/18 in 36 countries participating in the COLOSS survey, including effects of forage sourcesen
dc.typeArticleen
dc.identifier.doihttps://doi.org/10.1080/00218839.2019.1615661
dc.peerreviewedYesen
dc.funderOther external funder (please detail below)en
dc.cclicenceCC-BY-NC-NDen
dc.date.acceptance2019-05-30
dc.researchinstituteInstitute of Artificial Intelligence (IAI)en
dc.funder.otherCOLOSS Research Association and national funding bodies 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 accessen


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