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North American Prairie Is a Source of Pollen for Managed Honey Bees (Hymenoptera: Apidae)
Journal of Insect Science ( IF 2.1 ) Pub Date : 2021-01-19 , DOI: 10.1093/jisesa/ieab001
Ge Zhang 1 , Ashley L St. Clair 1, 2 , Adam G Dolezal 3 , Amy L Toth 1, 2 , Matthew E O’Neal 1
Affiliation  

Prairie was a dominant habitat within large portions of North America before European settlement. Conversion of prairies to farmland resulted in the loss of a large proportion of native floral resources, contributing to the decline of native pollinator populations. Efforts to reconstruct prairie could provide honey bees (Apis mellifera) a source of much-needed forage, especially in regions dominated by crop production. To what extent honey bees, which were introduced to North America by European settlers, use plants native to prairies is unclear. We placed colonies with pollen traps within reconstructed prairies in central Iowa to determine which and how much pollen is collected from prairie plants. Honey bee colonies collected more pollen from nonnative than native plants during June and July. During August and September, honey bee colonies collected more pollen from plants native to prairies. Our results suggest that honey bees’ use of native prairie plants may depend upon the seasonality of both native and nonnative plants present in the landscape. This finding may be useful for addressing the nutritional health of honey bees, as colonies in this region frequently suffer from a dearth of forage contributing to colony declines during August and September when crops and weedy plants cease blooming. These results suggest that prairie can be a significant source of forage for honey bees in the later part of the growing season in the Midwestern United States; we discuss this insight in the context of honey bee health and biodiversity conservation.

中文翻译:

北美草原是管理蜜蜂的花粉来源(膜翅目:蜜蜂科)

在欧洲人定居之前,草原是北美大部分地区的主要栖息地。草原转为农田导致大量原生花卉资源流失,导致原生传粉媒介数量减少。重建草原的努力可以为蜜蜂(Apis mellifera)提供急需的草料来源,尤其是在以作物生产为主的地区。由欧洲定居者引入北美的蜜蜂在多大程度上使用原产于草原的植物尚不清楚。我们在爱荷华州中部重建的草原中放置了带有花粉陷阱的菌落,以确定从草原植物中收集到哪些花粉以及收集了多少花粉。在 6 月和 7 月,蜜蜂群从非本地植物中收集的花粉比本地植物多。在八月和九月期间,蜜蜂群从原产于草原的植物中收集到更多的花粉。我们的研究结果表明,蜜蜂对原生草原植物的使用可能取决于景观中原生和非原生植物的季节性。这一发现可能有助于解决蜜蜂的营养健康问题,因为该地区的蜂群经常遭受草料缺乏的困扰,导致 8 月和 9 月农作物和杂草植物停止开花时蜂群数量下降。这些结果表明,在美国中西部的生长季节后期,草原可以成为蜜蜂的重要饲料来源;我们在蜜蜂健康和生物多样性保护的背景下讨论了这一见解。我们的研究结果表明,蜜蜂对原生草原植物的使用可能取决于景观中原生和非原生植物的季节性。这一发现可能有助于解决蜜蜂的营养健康问题,因为该地区的蜂群经常遭受草料缺乏的困扰,导致 8 月和 9 月农作物和杂草植物停止开花时蜂群数量下降。这些结果表明,在美国中西部的生长季节后期,草原可以成为蜜蜂的重要饲料来源;我们在蜜蜂健康和生物多样性保护的背景下讨论了这一见解。我们的研究结果表明,蜜蜂对原生草原植物的使用可能取决于景观中原生和非原生植物的季节性。这一发现可能有助于解决蜜蜂的营养健康问题,因为该地区的蜂群经常遭受草料缺乏的困扰,导致 8 月和 9 月农作物和杂草植物停止开花时蜂群数量下降。这些结果表明,在美国中西部的生长季节后期,草原可以成为蜜蜂的重要饲料来源;我们在蜜蜂健康和生物多样性保护的背景下讨论了这一见解。由于该地区的殖民地经常遭受缺乏草料的困扰,导致 8 月和 9 月农作物和杂草植物停止开花时殖民地数量下降。这些结果表明,在美国中西部的生长季节后期,草原可以成为蜜蜂的重要饲料来源;我们在蜜蜂健康和生物多样性保护的背景下讨论了这一见解。由于该地区的殖民地经常遭受缺乏草料的困扰,导致 8 月和 9 月农作物和杂草植物停止开花时殖民地数量下降。这些结果表明,在美国中西部的生长季节后期,草原可以成为蜜蜂的重要饲料来源;我们在蜜蜂健康和生物多样性保护的背景下讨论了这一见解。
更新日期:2021-01-19
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