...the most widespread source of underwater noise. Shipping vessels generate a low-frequency noise which is similar to that of many marine mammals. With global trade ever-increasing, levels of shipping noise... READ MORE
This study establishes a baseline record of natural and human-produced underwater noise at two sites in northeastern Scotland for use in future research looking at the impact of noise on... READ MORE
...noise and noise from ships was measured in a marine sanctuary with 89 whales. The study found that over 60% of their communication space may have been lost to noise... READ MORE
...decreased overall noise levels (6 dB) and significant reductions in noise at all frequencies between 50 and 150 Hz.” Stress hormones increased as ship noise returned to “normal” or baseline... READ MORE
...of dead veligers. There was a median of 21.6 more larvae dying after exposure to boat-noise playback than after ambient-noise playback. In summary, the authors state that “boat-noise playback significantly... READ MORE
...difference, possibly because it was less sensitive to shipping noise. Replacement issues kept researchers from comparing VENUS’ audio with previous years. Instead, they showed that noise levels decreased week by... READ MORE
...in the Pacific Ocean, from the perspective of noise pollution. The researchers used a predictive model to estimate how mining noise will affect aquatic ecosystems and found that ocean noise... READ MORE
Underwater ship noise has a slight impact on killer whales' movements and may limit their ability to catch prey, but the effects could be even greater.... READ MORE
...25 times the proportion in the general U.K. population. Read More ~1.5 dB The approximate average decibel drop in underwater noise in the Pacific Northwest during the COVID lockdown compared... READ MORE
