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2022/2023年活跃养蜂季节期间,撒哈拉以南非洲九个国家的蜜蜂蜂群损失情况及原因

Honey bee colony losses and causes during the active beekeeping season 2022/2023 in nine Sub-Saharan African countries.

作者信息

Nganso Beatrice T, Ayalew Workneh, Wubie Abebe J, Assefa Freweini, Belayhun Lulseged, Ndungu Nelly N, Toroitich Daniel, Otieno-Ayayo Z Ngalo, Wambua Mbatha B, Oyieyo Yudah O, Elie Ntirenganya, Sikirou Rachidatou, Idrissou Souradji B, Mwiza Willy, Turner S, Bobadoye Bridget O, Fameni Sidonie T, Gaboe Sayemie, Agbodzavu Mawufe K, Mafwila Patrick, Tasse Taboue Geraud C, Emily Kimathi, Henri Tonnang Z E, Niassy Saliou, Fonkou Simplice N, Pirk Christian W W, Gray Alison, Brodschneider Robert, Soroker Victoria, Subramanian Sevgan

机构信息

Environmental Health Theme, International Centre of Insect Physiology and Ecology (icipe), Nairobi, Kenya.

Apiculture and Beneficial Insects Research Institute, Kenya Agricultural and Livestock Research Organization, Marigat, Kenya.

出版信息

PLoS One. 2025 May 19;20(5):e0322489. doi: 10.1371/journal.pone.0322489. eCollection 2025.

Abstract

This study reports for the first-time a multi-country survey of managed honey bee colony loss rates and associated risk factors during the active beekeeping season 2022/2023 in nine Sub-Saharan African countries, namely Kenya, Ethiopia, Rwanda, Uganda, Benin, Liberia, Nigeria, Cameroon and Democratic Republic of the Congo. It also evaluates the sustainability of bee swarm catches as a primary source for expanding apiary size by African beekeepers. In this survey, the 1,786 interviewed beekeepers across these countries collectively managing 41,761 colonies registered an overall loss rate of 21.3%, which varied significantly among countries (from 9.7 to 45.3%) and hive types (from 10.6% in hives with movable frames to 17.9% in frameless hives). The perceived causes of losses in order of significance were issues beyond the beekeeper's control (mostly theft, drought, and bushfire), absconding and pests (mostly wax moth, small and large hive beetles, ants and Varroa destructor mite), but this pattern varied greatly across countries. Among the management practices and characteristics, migratory beekeepers and professional beekeepers experienced lower losses than beekeepers practicing stationary beekeeping and semi-professionals and hobby beekeepers, respectively. Insights into the number of bee swarms caught revealed a significant decrease in swarm availability over the past three years in Kenya, while some regions in Ethiopia showed the opposite trend, requiring further investigation. Overall, this comprehensive survey highlights the complexities and challenges faced by beekeepers in Sub-Saharan Africa, underscoring the need for targeted interventions and sustained research to support the resilience and growth of the apicultural sector.

摘要

本研究首次报告了对2022/2023年活跃养蜂季节期间撒哈拉以南非洲九个国家(即肯尼亚、埃塞俄比亚、卢旺达、乌干达、贝宁、利比里亚、尼日利亚、喀麦隆和刚果民主共和国)管理的蜜蜂蜂群损失率及相关风险因素的多国调查。它还评估了蜜蜂分蜂捕获量作为非洲养蜂人扩大蜂场规模的主要来源的可持续性。在这项调查中,这些国家的1786名受访养蜂人共管理41761个蜂群,总体损失率为21.3%,各国之间(从9.7%到45.3%)以及蜂箱类型之间(从有活动巢框的蜂箱的10.6%到无框蜂箱的17.9%)差异显著。按重要性顺序排列的损失原因是养蜂人无法控制的问题(主要是盗窃、干旱和丛林火灾)、蜂群飞逃和害虫(主要是蜡螟、大小蜂螨、蚂蚁和狄斯瓦螨),但这种模式在各国之间差异很大。在管理实践和特征方面,流动养蜂人和专业养蜂人遭受的损失分别低于固定养蜂人以及半专业和业余养蜂人。对捕获的蜜蜂分蜂数量的洞察显示,肯尼亚在过去三年中分蜂可获得性显著下降,而埃塞俄比亚的一些地区则呈现相反趋势,这需要进一步调查。总体而言,这项全面调查凸显了撒哈拉以南非洲养蜂人面临的复杂性和挑战,强调需要有针对性的干预措施和持续研究,以支持养蜂业的恢复力和发展。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a310/12088056/cf101d5056a1/pone.0322489.g001.jpg

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