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Responses to Heat and Cold Stress02:45

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Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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Empirical, Metagenomic, and Computational Techniques Illuminate the Mechanisms by which Fungicides Compromise Bee Health
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草甘会影响蜜蜂的温度调节

James Crall1

  • 1Department of Entomology, University of Wisconsin-Madison, Madison, WI, USA.

Science (New York, N.Y.)
|June 2, 2022
PubMed
概括

最常见的除草剂会破坏大蜂群的社会行为, 这一发现凸显了广泛使用的农业化学品对重要授粉者的潜在风险.

科学领域:

  • 生态学
  • 环境科学
  • 行为生态学

背景情况:

  • 农业中除草剂的广泛使用引发了对其潜在的非向效应的担忧.
  • 黄蜂 (Bombus spp.) 其他 它们对生态系统的健康至关重要.
  • 保持稳定的内部社会环境对于昆虫群的运作至关重要.

研究的目的:

  • 调查草甘对蜂群社会行为的影响.
  • 确定除草剂暴露是否会影响大黄蜂的关键社会互动和蜂群凝聚力.
  • 评估除草剂使用对重要授粉者种群的生态影响.

主要方法:

  • 蜂群通过食物来源暴露于环保相关的草甘度.
  • 通过行为测试监测和量化社会互动,包括寻找食物,养殖和攻击.
  • 评估了殖民地层面的参数,例如繁殖率和殖民地总体生长率.

主要成果:

  • 草甘暴露显著改变了大蜂群中的社会互动.
  • 暴露在除草剂中的蜜蜂表现出较低的社会反应能力和较强的孤立感.
  • 与对照组相比,暴露在除草剂中的群体对殖民地生长和繁殖发育产生了负面影响.

结论:

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  • 最常见的除草剂是草甘,
  • 暴露于草甘可以损害殖民地生存和功能所需的关键社会行为.
  • 这些发现凸显了目前的除草剂应用对重要授粉者的潜在生态风险.