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干旱压力影响了一个孤独的蜜蜂对两个野花的食偏好

Annika Rose-Person¹, Louis S Santiago^2,3, Nicole E Rafferty¹

¹Department of Evolution, Ecology and Organismal Biology, University of California, Riverside, 900 University Avenue, Riverside, CA 92521, USA.

Annals of botany

|March 27, 2024

概括

受到干旱压力的野花产生较少,较小的花朵和缩的花蜜,导致蜜蜂更喜欢更健康的植物. 这影响了植物繁殖,并突出了气候变化对植物传粉者相互作用的影响.

科学领域:

生态生态学生态生态学
植物生物学植物生物学
气候变化研究气候变化研究

背景情况:

授粉者对生物多样性和粮食生产至关重要.
由于气候变化而加剧的干旱威胁到植物与传粉者之间的相互关系.
这项研究调查了干旱对野花和单身蜜蜂的影响.

研究的目的:

为了确定干旱如何影响两个野花物种的花特征.
为了评估单独的蜜蜂在干燥和未干燥的花朵之间寻找食物的偏好.
探索对植物繁殖成功的影响.

主要方法:

在温室条件下实验干旱诱导.
测量花的特征:大小,显示,花蜜量和糖度.
单独的蜜蜂选择试验比较干燥和未干燥的植物.

主要成果:

干旱减少了两种物种的花展示尺寸和花尺寸.
干燥的花朵产生更少,更缩的花蜜.
蜜蜂更喜欢Nemophila menziesii的未干燥的花朵;根据白天的时间,他们更喜欢Phacelia campanularia.

结论:

蜜蜂偏爱未经干燥的花朵可能会降低干旱压力植物的授粉成功.
由于P. campanularia对干旱的耐受性更高,这可能解释了蜜蜂的不同偏好.
干旱反应可以改变植物与授粉者之间的相互作用,可能减少野花的繁殖产量.

关键词:

尼莫菲拉 (Nemophila menziesii) 是一种虫.奥斯米亚·林纳里亚 (Osmia lignaria) 是一个这种植物是Phacelia campanularia.蜜蜂,蜜蜂,蜜蜂,蜜蜂,蜜蜂,蜜蜂,蜜蜂,蜜蜂,蜜蜂,蜜蜂.气候变化气候变化气候变化干旱干旱干旱干旱花的尺寸花的尺寸食行为食行为蜜汁和花蜜是不同的.植物授粉者相互作用授粉授粉授粉授粉授粉者偏好授粉者偏好

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