How are bottlenose whales affected by sound pollution?

Reva Mills asked a question: How are bottlenose whales affected by sound pollution?
Asked By: Reva Mills
Date created: Wed, Apr 7, 2021 3:33 PM

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Top best answers to the question «How are bottlenose whales affected by sound pollution»

  • Deep-diving cetaceans like northern bottlenose whales use sound to feed, communicate, and navigate in the ocean. Sound pollution threatens them by interrupting their normal behavior and driving them away from areas important to their survival. All northern bottlenose whales are protected under the Marine Mammal Protection Act.

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Those who are looking for an answer to the question «How are bottlenose whales affected by sound pollution?» often ask the following questions:

🐻 How are baird's beaked whales affected by pollution?

Beaked whales are also affected by noise pollution. In particular, mid-frequency military sonar has been associated with a number of mass strandings throughout the world ( MacLeod and D’Amico, 2006 ).

🐻 How are bryde's whales affected by noise pollution?

  • Bryde's whales are the third most commonly reported species struck by vessels in the southern hemisphere. Low-frequency underwater noise pollution can interrupt Bryde’s whales’ normal behavior by hindering their ability to use sound, causing a disruption of their ability to communicate, choose mates, find food, avoid predators, and navigate.

🐻 How are pygmy killer whales affected by pollution?

  • Pollution – Pygmy killer whales need a healthy ocean to survive. Noise, toxic chemicals, plastics, litter and oil spills all pose a threat to their future. Fishing gear – pygmy killer whales get accidentally caught in fishing nets and lines, injuring or even killing them.

4 other answers

Noise Pollution Noise pollution refers to the manmade noises that occur in the water and that interfere with the sonar and audible communication used by the whales. Sound is carried particularly well by the water, which is denser than air. So, even sounds that are usually quite soft to the human ear are carried further and louder by the water.

But now there is growing concern about underwater noise pollution —from shipping traffic, construction, seismic air guns used in oil and gas exploration, sonars, and military training—all of it occurring in parts of the sea that are habitats for humpbacks. Little is known about how this human cacophony is impacting these whales.

Liked other beaked whales, they are thought to be negatively affected by loud anthropogenic noise, and it’s not clear whether increased strandings in recent years are related to population increases or anthropogenic factors. As well as this, they are constantly at risk of ingesting plastics and from interactions with fisheries.

We conducted a controlled exposure of naval sonar to an aggregation of bottlenose whales in which one individual was tagged with a sound and movement-recording datalogger attached to the whale by suction cups (DTAG [ 23 ]).

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