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Honey bee colony winter loss rates for 35 countries participating in the COLOSS survey for winter 2018–2019, and the effects of a new queen on the risk of colony winter loss
Journal of Apicultural Research ( IF 1.9 ) Pub Date : 2020-08-11 , DOI: 10.1080/00218839.2020.1797272
Alison Gray 1 , Noureddine Adjlane 2 , Alireza Arab 3 , Alexis Ballis 4 , Valters Brusbardis 5 , Jean-Daniel Charrière 6 , Robert Chlebo 7 , Mary F. Coffey 8 , Bram Cornelissen 9 , Cristina Amaro da Costa 10 , Bjørn Dahle 11 , Jiří Danihlík 12 , Marica Maja Dražić 13 , Garth Evans 14 , Mariia Fedoriak 15 , Ivan Forsythe 16 , Anna Gajda 17 , Dirk C. de Graaf 18 , Aleš Gregorc 19 , Iliyana Ilieva 20 , Jes Johannesen 21 , Lassi Kauko 22 , Preben Kristiansen 23 , Maritta Martikkala 24 , Raquel Martín-Hernández 25 , Carlos Aurelio Medina-Flores 26 , Franco Mutinelli 27 , Solenn Patalano 28 , Aivar Raudmets 29 , Gilles San Martin 30 , Victoria Soroker 31 , Jevrosima Stevanovic 32 , Aleksandar Uzunov 33 , Flemming Vejsnaes 34 , Anthony Williams 35 , Marion Zammit-Mangion 36 , Robert Brodschneider 37
Affiliation  

This article presents managed honey bee colony loss rates over winter 2018/19 resulting from using the standardised COLOSS questionnaire in 35 countries (31 in Europe). In total, 28,629 beekeepers supplying valid loss data wintered 738,233 colonies, and reported 29,912 (4.1%, 95% confidence interval (CI) 4.0–4.1%) colonies with unsolvable queen problems, 79,146 (10.7%, 95% CI 10.5–10.9%) dead colonies after winter and 13,895 colonies (1.9%, 95% CI 1.8–2.0%) lost through natural disaster. This gave an overall colony winter loss rate of 16.7% (95% CI 16.4–16.9%), varying greatly between countries, from 5.8% to 32.0%. We modelled the risk of loss as a dead/empty colony or from unresolvable queen problems, and found that, overall, larger beekeeping operations with more than 150 colonies experienced significantly lower losses (p < 0.001), consistent with earlier studies. Additionally, beekeepers included in this survey who did not migrate their colonies at least once in 2018 had significantly lower losses than those migrating (p < 0.001). The percentage of new queens from 2018 in wintered colonies was also examined as a potential risk factor. The percentage of colonies going into winter with a new queen was estimated as 55.0% over all countries. Higher percentages of young queens corresponded to lower overall losses (excluding losses from natural disaster), but also lower losses from unresolvable queen problems, and lower losses from winter mortality (p < 0.001). Detailed results for each country and overall are given in a table, and a map shows relative risks of winter loss at regional level.

中文翻译:

参与 2018-2019 年冬季 COLOSS 调查的 35 个国家的蜜蜂群体冬季损失率,以及新蜂王对群体冬季损失风险的影响

本文介绍了 2018/19 冬季在 35 个国家/地区(欧洲 31 个)使用标准化 COLOSS 问卷调查得出的受控蜂群损失率。总共有 28,629 名提供有效损失数据的养蜂人越冬了 738,233 个蜂群,并报告了 29,912 个(4.1%,95% 置信区间 (CI) 4.0–4.1%)蜂王问题无法解决的蜂群,79,146 个(10.7%,95% CI 109)。 ) 冬天后死亡的菌落和 13,895 个菌落 (1.9%, 95% CI 1.8–2.0%) 因自然灾害而损失。这使得整个殖民地冬季损失率为 16.7%(95% CI 16.4–16.9%),各国差异很大,从 5.8% 到 32.0%。我们将损失风险建模为死/空蜂群或无法解决的蜂王问题,并发现,总体而言,超过 150 个蜂群的大型养蜂业经历的损失显着降低(p < 0.001),与早期研究一致。此外,本次调查中的养蜂人在 2018 年至少没有迁移一次蜂群的养蜂人的损失显着低于迁移者(p < 0.001)。2018 年越冬蜂群中新蜂王的百分比也被视为一个潜在的风险因素。在所有国家中,新女王进入冬季的殖民地百分比估计为 55.0%。较高百分比的年轻蜂王对应于较低的总体损失(不包括自然灾害造成的损失),但也较低的无法解决的蜂王问题造成的损失和较低的冬季死亡率损失(p < 0.001)。每个国家和整体的详细结果在表格中给出,地图显示了区域层面冬季损失的相对风险。本次调查中的养蜂人在 2018 年没有至少迁移一次蜂群的养蜂人的损失显着低于迁移的养蜂人(p < 0.001)。2018 年越冬蜂群中新蜂王的百分比也被视为一个潜在的风险因素。在所有国家中,新女王进入冬季的殖民地百分比估计为 55.0%。较高百分比的年轻蜂王对应于较低的总体损失(不包括自然灾害造成的损失),但也较低的无法解决的蜂王问题造成的损失和较低的冬季死亡率损失(p < 0.001)。每个国家和整体的详细结果在表格中给出,地图显示了区域层面冬季损失的相对风险。本次调查中的养蜂人在 2018 年没有至少迁移一次蜂群的养蜂人的损失显着低于迁移的养蜂人(p < 0.001)。2018 年越冬蜂群中新蜂王的百分比也被视为一个潜在的风险因素。在所有国家中,新女王进入冬季的殖民地百分比估计为 55.0%。年轻蜂王的百分比较高对应于较低的总体损失(不包括自然灾害造成的损失),但也较低的无法解决的蜂王问题造成的损失和冬季死亡率的损失较低(p < 0.001)。每个国家和整体的详细结果在表格中给出,地图显示了区域层面冬季损失的相对风险。2018 年越冬蜂群中新蜂王的百分比也被视为一个潜在的风险因素。在所有国家中,新女王进入冬季的殖民地百分比估计为 55.0%。较高百分比的年轻蜂王对应于较低的总体损失(不包括自然灾害造成的损失),但也较低的无法解决的蜂王问题造成的损失和较低的冬季死亡率损失(p < 0.001)。每个国家和整体的详细结果在表格中给出,地图显示了区域层面冬季损失的相对风险。2018 年越冬蜂群中新蜂王的百分比也被视为一个潜在的风险因素。在所有国家中,新女王进入冬季的殖民地百分比估计为 55.0%。较高百分比的年轻蜂王对应于较低的总体损失(不包括自然灾害造成的损失),但也较低的无法解决的蜂王问题造成的损失和较低的冬季死亡率损失(p < 0.001)。每个国家和整体的详细结果在表格中给出,地图显示了区域层面冬季损失的相对风险。较高百分比的年轻蜂王对应于较低的总体损失(不包括自然灾害造成的损失),但也较低的无法解决的蜂王问题造成的损失和较低的冬季死亡率损失(p < 0.001)。每个国家和整体的详细结果在表格中给出,地图显示了区域层面冬季损失的相对风险。较高百分比的年轻蜂王对应于较低的总体损失(不包括自然灾害造成的损失),但也较低的无法解决的蜂王问题造成的损失和较低的冬季死亡率损失(p < 0.001)。每个国家和整体的详细结果在表格中给出,地图显示了区域层面冬季损失的相对风险。
更新日期:2020-08-11
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