Dolphins rely on sound for feeding, socializing, and navigation, and are sensitive to loud noises. But Chinese white dolphins within Hong Kong are declining every year due to noise pollution
revealed that 90 percent of the 500 studies analyzed found excessive noise caused “significant harm” to marine mammals, such as whales, seals and dolphins, and four-fifths of fish and invertebrates., professor of marine science at King Abdullah University of Science and Technology in Saudi Arabia, who led the review. “All the focus is placed on climate change, overfishing, plastic, and habitat loss. But really the threat to the ocean soundscape has not been receiving the attention it should.
But beyond charismatic species such as white dolphins, the effects of noise pollution could reverberate all across the animal kingdom, says“Clearly there are some species—dolphins, tooth whales, killer whales—that use echolocation, sound for hunting prey, and quieter oceans are important for them,” says Colbert. “But there are so many animals that haven’t been studied at all.” This applies, for example, to nearly all the world’s 30,000 fish species..
“This construction caused so much damage and disruption,” says Doris Woo, project manager for cetacean conservation at. “But we’ve yet to fully understand the extent of it. And things are only going to get worse.”
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