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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.
Story Length: 7:50
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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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Marine biologists are studying the sounds that fish make. They believe that sounds are vital to understanding fish behavior. By studying the sounds that fish make when trying to attract mates and when breeding, biologists may be able to stay clear of them during those times to help them reproduce more productively. This protects the fish from human behavior. Listen to learn how this will help fishermen ensure the species don't die out.
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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.
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When people started using large nets to capture tuna in the 1960s, many spotted dolphins were killed because they were found living with tuna. Scientists responded by sending “observers” on tuna boats to keep track of the number of dolphins killed. Listen to hear from a scientist who is studying the spotted and spinner dolphins to try to learn how to preserve dolphin populations.
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