试验性的噪音和光污染改变了夜间捕食鸟的猎物检测
Arianna Passarotto1,2,3, Chiara Morosinotto1,3,4,5, Patrik Karell1,3
1Evolutionary Ecology Unit, Department of Biology, Lund University, Lund, Sweden.
The Journal of animal ecology
|May 21, 2025
概括
城市噪音和光污染扰乱了黄猫头的狩猎. 虽然单独损害了声学猎物检测,但它们的综合效应显示了复杂的相互作用,可能会将捕食者转移到以视觉为导向的战略.
科学领域:
- 生态生态学 生态生态学
- 动物行为 动物行为
- 感官生态学 感官生态学
背景情况:
- 城市扩张增加了噪音和光污染,影响了野生动物.
- 夜间的捕食者依赖于视听线索来狩猎,使他们容易受到感官污染的影响.
- 噪音和光污染对捕食者表现的综合影响尚不清楚.
研究的目的:
- 调查交通噪音和人工光对黑猫猎物检测的单独和综合影响.
- 评估噪音和光污染之间对感官感知的潜在非添加性相互作用.
- 了解多式感官压力如何影响夜间捕食者狩猎行为.
主要方法:
- 实验性地将棕猫头 (Strix aluco) 暴露在受控的交通噪音和人工光线下.
- 呈现声学和视觉猎物线索,以评估检测能力.
- 在控制,单压力和组合压力条件下对猫头反应的比较.
主要成果:
- 猫头在控制条件下同样检测到声学和视觉线索.
- 噪音和光线单独减少了声学猎物检测,但没有视觉检测.
- 组合的噪音和光线增加了视觉检测的损害,而光线缓冲了噪音对声学检测的影响 (对抗性相互作用).
结论:
- 人为噪音和光污染显著影响夜间鸟类捕食者狩猎.
- 感官污染的影响因猎物暗示类型而异,可能有利于视觉狩猎策略.
- 多模式感官污染可能导致复杂的,非添加行为影响,需要综合研究方法.
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