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Using sharks to study ocean oxygen, and what ancient minerals teach us about early Earth

Science Magazine Podcast

CHAPTER

The Effects of Low Oxygen in the Water on Marine Life

There's a lot of evidence that even if you have slightly less oxygen in the water, you can have effects on marine life. There's evidence that stress induced from decreased oxygen can affect how effectively they reproduce their growth rates and sexual behavior. If you have mobile species like fish, they might just move to somewhere else where there's more oxygen available. That can affect people who rely on fisheries for their livelihoods and for their food.

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