| Lesson 5: The Dead Zone - :16259 | National Marine Fisheries Service (NMFS)
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Lesson 5: The Dead Zone
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  • Description:
    Lesson 5 explains the effects of nutrients and eutrophication in the ocean. The lecture describes ways that human activities can cause excess nitrogen to enter the water. The formation of “dead zones,” large areas with little to no dissolved oxygen and a virtual absence of marine life, is described. In the activity, students evaluate data to determine when dead zones are forming.

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