Honey bee hives decrease wild bee abundance, species richness, and fruit count on farms regardless of wildflower strips.
Honey bee hives decrease wild bee abundance, species richness, and fruit count on farms regardless of wildflower strips.
复制标题
蜜蜂蜂巢减少野生蜜蜂的丰度，物种丰富度和农场的水果数量，而不管野花带。
DOI：
10.1038/s41598-021-81967-1
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发表时间：
2021-02-05
影响因子：
4.6
通讯作者：
O'Rourke ME
中科院分区：
文献类型：
--
作者：
Angelella GM;McCullough CT;O'Rourke ME
在农场种植授粉者庇护所，如野花带，目的是减缓野生授粉者的减少，促进作物授粉服务。然而，目前还不清楚这些目标是否或如何受到管理蜜蜂（意大利蜜蜂L.）农场上的蜂巢我们研究了野花带和蜜蜂蜂巢和/或它们的相互作用如何影响美国大西洋中部21个农场的野生蜜蜂群落和两种授粉依赖作物的果实数量。尽管野生蜜蜂物种丰富度随着野花带内的开花密度而增加，种群没有显着差异农场和没有他们，而水果计数在这两种作物增加农场与野花带，两年之一。相比之下，野生蜜蜂丰度下降了48%，物种丰富度下降了20%，草莓果实数量下降了18%，无论是否存在野花带，在带有蜂巢的野花带农场中，南瓜果实数量也一直较低。这项工作表明，蜂巢可能会对农场的水果数量和野生蜜蜂数量产生负面影响，而野花带来的好处可能无法抵消这些负面影响。在有野花带的农场上饲养蜂巢会减少保护和授粉服务。
Pollinator refuges such as wildflower strips are planted on farms with the goals of mitigating wild pollinator declines and promoting crop pollination services. It is unclear, however, whether or how these goals are impacted by managed honey bee (Apis mellifera L.) hives on farms. We examined how wildflower strips and honey bee hives and/or their interaction influence wild bee communities and the fruit count of two pollinator-dependent crops across 21 farms in the Mid-Atlantic U.S. Although wild bee species richness increased with bloom density within wildflower strips, populations did not differ significantly between farms with and without them whereas fruit counts in both crops increased on farms with wildflower strips during one of 2 years. By contrast, wild bee abundance decreased by 48%, species richness by 20%, and strawberry fruit count by 18% across all farm with honey bee hives regardless of wildflower strip presence, and winter squash fruit count was consistently lower on farms with wildflower strips with hives as well. This work demonstrates that honey bee hives could detrimentally affect fruit count and wild bee populations on farms, and that benefits conferred by wildflower strips might not offset these negative impacts. Keeping honey bee hives on farms with wildflower strips could reduce conservation and pollination services.