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  • Title: Potential Population Consequences of Active Sonar Disturbance in Atlantic Herring: Estimating the Maximum Risk.
    Author: Sivle LD, Kvadsheim PH, Ainslie M.
    Journal: Adv Exp Med Biol; 2016; 875():217-22. PubMed ID: 26610962.
    Abstract:
    Effects of noise on fish populations may be predicted by the population consequence of acoustic disturbance (PCAD) model. We have predicted the potential risk of population disturbance when the highest sound exposure level (SEL) at which adult herring do not respond to naval sonar (SEL(0)) is exceeded. When the population density is low (feeding), the risk is low even at high sonar source levels and long-duration exercises (>24 h). With densely packed populations (overwintering), a sonar exercise might expose the entire population to levels >SEL(0) within a 24-h exercise period. However, the disturbance will be short and the response threshold used here is highly conservative. It is therefore unlikely that naval sonar will significantly impact the herring population.
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