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水下噪音

水下噪音是指在水体中产生的声音,其来源可以是各种自然源(如海浪地震等)和人为源(如船舶行驶、施工建设、养殖设施等)。由于人类活动的增加,水下噪音污染问题日益严重,对水生生物的生存和繁衍产生了重大影响。[1]

研究发现,全球变暖海洋酸化等环境因素使海洋吸收噪音的能力减弱[2]。海上船舶增多导致水下低频噪声以平均每年0.5 dB的速度增加[3]

水下噪音对水生生物的影响主要体现在行为变化、生理机能改变以及生存环境的改变等方面。例如,水下噪音可以改变鱼类的行为和活动方式,影响其摄食、代谢和生长等。研究发现,水下噪音会影响鱼类的肠道微生物,改变其组成和占比,影响其氨基酸代谢等多条生命活动相关通路。[1]

参考文献

[编辑]
  1. ^ 1.0 1.1 水下噪音对杂交鲟行为及肠道微生物的影响. 水生生物学报. 2023-06-15, 47 (6): 931–939. doi:10.7541/2023.2022.0106. 
  2. ^ Ross, D. Ship Sources of Ambient Noise. IEEE Journal of Oceanic Engineering. 2005-04, 30 (2): 257–261. doi:10.1109/JOE.2005.850879. 
  3. ^ Ocean Noise and Marine Mammals. National Academies Press. : 2 [2023-12-27]. ISBN 978-0-309-08536-6. (原始内容存档于2023-12-27). 
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水下噪音
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