Monitoring honeybee colonies under imidacloprid exposure based on smart beehive system.

IF 2.4 4区 环境科学与生态学 Q2 ECOLOGY
Yuntao Lu, Yinfa Yan, Zhenguo Liu, Ying Wang, Hongfang Wang, Xuepeng Chi, Xiangting Yan, Baohua Xu, Wei Hong, Shengping Liu
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引用次数: 0

Abstract

As crucial pollinators, honeybees play a significant role in global crop production. However, substantial honeybee colony losses have been observed in recent years, often associated with pesticide use. Despite numerous studies indicating that pesticide exposure threatens bee survival, reproduction, and pollination capabilities, our understanding of its dynamic impact at the colony level remains limited. In this study, we employed colony monitoring equipment and visual inspections to assess the health dynamics of honeybee colonies (Apis mellifera ligustica) exposed to varying concentrations of imidacloprid. Our findings revealed that both high and sub-lethal concentrations of imidacloprid negatively impacted colony population, brood rearing, foraging activities, colony weight, and temperature regulation. High concentration exposure also led to queen loss. The damage patterns varied with the concentration of imidacloprid exposure. Under low concentration exposure, colonies exhibited progressive sublethal effects, initially affecting foraging, brood care, and food intake, gradually leading to a decline in colony population, weight, and temperature. In contrast, high concentration exposure caused rapid bee mortality, directly impairing various collective activity levels, but in the short term, it reduced exposure opportunities for some bees and larvae. This study enhances our understanding of the differential impacts of imidacloprid concentrations on honeybee colonies and underscores the need for further research at the colony level.

基于智能蜂巢系统的吡虫啉暴露下蜂群监测。
作为重要的传粉媒介,蜜蜂在全球作物生产中发挥着重要作用。然而,近年来观察到大量的蜂群损失,通常与农药的使用有关。尽管大量研究表明农药暴露会威胁蜜蜂的生存、繁殖和授粉能力,但我们对其在群体水平上的动态影响的理解仍然有限。在这项研究中,我们使用蜂群监测设备和目视检查来评估暴露于不同浓度吡虫啉的蜜蜂群体(Apis mellifera ligustica)的健康动态。研究结果表明,高浓度和亚致死浓度的吡虫啉对蜂群数量、育雏、觅食活动、蜂群重量和温度调节均有负面影响。高浓度暴露也会导致蚁后丢失。不同浓度吡虫啉的损伤模式不同。在低浓度暴露下,蜂群表现出进行性亚致死效应,最初影响觅食、育雏和摄食,逐渐导致蜂群数量、体重和温度下降。高浓度暴露会导致蜜蜂快速死亡,直接影响各种集体活动水平,但在短期内减少了一些蜜蜂和幼虫的暴露机会。本研究提高了我们对吡虫啉浓度对蜂群的不同影响的认识,并强调了在蜂群水平上进一步研究的必要性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Ecotoxicology
Ecotoxicology 环境科学-毒理学
CiteScore
5.30
自引率
3.70%
发文量
107
审稿时长
4.7 months
期刊介绍: Ecotoxicology is an international journal devoted to the publication of fundamental research on the effects of toxic chemicals on populations, communities and terrestrial, freshwater and marine ecosystems. It aims to elucidate mechanisms and processes whereby chemicals exert their effects on ecosystems and the impact caused at the population or community level. The journal is not biased with respect to taxon or biome, and papers that indicate possible new approaches to regulation and control of toxic chemicals and those aiding in formulating ways of conserving threatened species are particularly welcome. Studies on individuals should demonstrate linkage to population effects in clear and quantitative ways. Laboratory studies must show a clear linkage to specific field situations. The journal includes not only original research papers but technical notes and review articles, both invited and submitted. A strong, broadly based editorial board ensures as wide an international coverage as possible.
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