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在社会牙的鱼深海食过程中,基于环境的沟通
Sanne Hessing1, Nolwenn Risser1,2,3, Loanne Pichot2,3,4
1Kelp Marine Research, Hoorn 1624 CJ, The Netherlands.
Royal Society open science
|August 1, 2024
概括
深度潜水的海豚使用特定的声音在寻找食物的潜水中进行沟通. 这种音响通信对于社会凝聚力至关重要,但可能受到海洋噪音增加的威胁.
科学领域:
- 海洋生物学 海洋生物学
- 生物声学是一种生物声学.
- 动物行为 动物行为
背景情况:
- 深度潜水的鱼 (牙) 平衡了表面需求与深海的食.
- 同种类对生存至关重要,但食需要个体分散.
- 对于这些社会动物来说,了解寻食物期间的声调是关键.
研究的目的:
- 研究里索海豚 (Grampus griseus) 社交爆发脉冲呼叫的背景和功能.
- 确定声学通信在深度潜水中所扮演的角色.
- 评估人为噪音对这些物种社会凝聚力的影响.
主要方法:
- 利用生物学家来记录来自里索海豚的声信号.
- 分析了相对于食潜水的爆发脉冲呼叫生产的背景.
- 根据传输方向 (水平与垂直) 区分不同的呼叫类型.
主要成果:
- 里索的海豚在白天寻找食物时,潜水前/后以及下降时产生特定环境的爆发脉冲.
- 差异性呼叫类型 (短/长) 用于近地和深度食通信.
- 声波通信对于传递食信息和在分散过程中保持联系至关重要.
结论:
- 深度潜水的牙鱼依赖声学信号来获取食物和社会凝聚力.
- 在深度潜水期间,当个体分散时,保持声接触至关重要.
- 人为噪声的增加对这些顶级捕食者构成重大威胁,因为它可能会掩盖重要的通信信号.
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