Linking measures of colony and individual honey bee health to survival among apiaries exposed to varying agricultural land use
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Linking measures of colony and individual honey bee health to survival among apiaries exposed to varying agricultural land use
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2016
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Public Library of Science
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Article
Abstract
We previously characterized and quantified the influence of land use on survival and productivity of colonies positioned in six apiaries and found that colonies in apiaries surrounded by more land in uncultivated forage experienced greater annual survival, and generally more honey production. Here, detailed metrics of honey bee health were assessed over three years in colonies positioned in the same six apiaries. The colonies were located in North Dakota during the summer months and were transported to California for almond pollination every winter. Our aim was to identify relationships among measures of colony and individual bee health that impacted and predicted overwintering survival of colonies. We tested the hypothesis that colonies in apiaries surrounded by more favorable land use conditions would experience improved health. We modeled colony and individual bee health
indices at a critical time point (autumn, prior to overwintering) and related them to eventual spring survival for California almond pollination. Colony measures that predicted overwintering apiary survival included the amount of pollen collected, brood production, and Varroa destructor mite levels. At the individual bee level, expression of vitellogenin, defensin1, and lysozyme2 were important markers of overwinter survival. This study is a novel first step
toward identifying pertinent physiological responses in honey bees that result from their positioning near varying landscape features in intensive agricultural environments.
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10.1371/journal.pone.0152685
Previously Published Citation
Smart, M., Pettis, J., Rice, N., Browning, Z., & Spivak, M. (2016). Linking Measures of Colony and Individual Honey Bee Health to Survival among Apiaries Exposed to Varying Agricultural Land Use. PloS one, 11(3), e0152685.
Suggested citation
Smart, Matthew; Pettis, Jeff; Rice, Nathan; Browning, Zac; Spivak, Marla. (2016). Linking measures of colony and individual honey bee health to survival among apiaries exposed to varying agricultural land use. Retrieved from the University Digital Conservancy, 10.1371/journal.pone.0152685.
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