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

dc.contributor.authorGray, Alison
dc.contributor.authorBrodschneider, Robert
dc.contributor.authorAdjlane, Noureddine
dc.contributor.authorBallis, Alexis
dc.contributor.authorBrusbardis, Valters
dc.contributor.authorCharrière, Jean-Daniel
dc.contributor.authorChlebo, Robert
dc.contributor.authorF. Coffey, Mary
dc.contributor.authorCornelissen, Bram
dc.contributor.authorCosta, Cristina Amaro Da
dc.contributor.authorCsáki, Tamás
dc.contributor.authorDahle, Bjørn
dc.contributor.authorDanihlík, Jiří
dc.contributor.authorDražić, Marica Maja
dc.contributor.authorEvans, Garth
dc.contributor.authorFedoriak, Mariia
dc.contributor.authorForsythe, Ivan
dc.contributor.authorde Graaf, Dirk
dc.contributor.authorGregorc, Aleš
dc.contributor.authorJohannesen, Jes
dc.contributor.authorKauko, Lassi
dc.contributor.authorKristiansen, Preben
dc.contributor.authorMartikkala, Maritta
dc.contributor.authorMartín-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.accessioned2020-01-13T16:54:25Z
dc.date.available2020-01-13T16:54:25Z
dc.date.issued2019
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.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1080/00218839.2019.1615661pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.19/6093
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.subjectApis melliferapt_PT
dc.subjectmortalitypt_PT
dc.subjectforage sourcespt_PT
dc.subjectcolony winter lossespt_PT
dc.subjectmonitoringpt_PT
dc.subjectbeekeepingpt_PT
dc.subjectsurveypt_PT
dc.subjectcitizen sciencept_PT
dc.titleLoss rates of honey bee colonies during winter 2017/18 in 36 countries participating in the COLOSS survey, including effects of forage sourcespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage485pt_PT
oaire.citation.issue4pt_PT
oaire.citation.startPage479pt_PT
oaire.citation.titleJournal of Apicultural Researchpt_PT
oaire.citation.volume58pt_PT
person.familyNameAmaro da Costa
person.givenNameCristina Isabel
person.identifier.ciencia-id4B16-176A-223A
person.identifier.orcid0000-0001-8625-2206
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationd58c2d3b-f869-429d-9152-89f5b03bd781
relation.isAuthorOfPublication.latestForDiscoveryd58c2d3b-f869-429d-9152-89f5b03bd781

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