Man-made ocean noise is stressing and killing marine life

Some man-made ocean noises are causing whales and other marine animals to beach themselves.

The human-caused noise that is now in our oceans poses a significant and sometimes lethal threat to whales, dolphins, seal lions, seals, sea turtles, and other marine wildlife.  For example, in whales and dolphins, low frequency military active sonar (LFA) is causing tissue damage and bleeding around the ears, eyes, and brain, and large bubbles or holes in their organs – the result of decompression sickness, caused when the animals are frightened by the intense noise of LFA and surface too quickly.

Sonar results - dolphinSonar - striped dolphins beached - look at the blood in the water - Iranwhales-beached_in_tasmania

 

Noise and light pollution is covered in the presentation:

MARINE POLLUTION – MAN-MADE NOISE AND LIGHT – 170126

All PDFs of the Oceans PowerPoint presentations are available under “Educational Material”.

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