Image by David Monniaux, mod. by Peter Gugerell licensed under CC BY-SA 3.0
The increasing acidity of the oceans could eventually affect your dinner plate. There is a decrease in the number of juvenile oysters known as "seed" due to the increase of CO2 in the ocean. Listen to learn how workers are dealing with the issues and how it affects the seafood we eat.
Story Length: 3:11
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What makes up a coral? This audio story takes you to an underwater observatory where a scientist is studying coral reefs. The scientist has found that CO2 in the ocean is making the ocean warmer and dissolving the coral reef system. But the scientist also discusses how coral reefs can recover. Listen to this story to hear the factors that threaten coral reefs and how they can recover.
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Biologists studying killer whales face the challenge of studying organisms that spend a majority of their time underwater. From extensive research, scientists have learned that killer whales have adapted their sounds to help them catch prey. Scientists are looking to do more research, but it's difficult to find the whales in the first place. Listen to learn more about the methods scientists use to understand killer whale noises.
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Oceans around the world are seeing declines in healthy reefs. The increase in ocean temperatures due to global warming is one of the factors that is causing this deterioration. Part of the coral reefs are endangered, but some corals are still thriving despite the increase in ocean temperature. Listen to learn who relies on coral reefs and what would happen if they completely deteriorated.
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There is debate whether fish like the bluefin tuna are going to go extinct. Some argue that the decline in bluefin results from excessive fishing. However, longtime bluefin fishers like Eric Stewart disagree with this stance as he sees an increasing population of bluefin. Listen to hear from both sides, and how one bluefin tuna can swim across the entire ocean.
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