From the backyard to the ocean: New study shows streams act as key nitrogen filters

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Amy Burgin a Michigan State University PhD student does gas sampling to track the flow of a non-radioactive nitrogen isotope in a stream that is part of the Kalamazoo River watershed in western Michigan. Credit: Michigan State University
Amy Burgin, a Michigan State University PhD student, does gas sampling to track the flow of a non-radioactive nitrogen isotope in a stream that is part of the Kalamazoo River watershed in western Michigan. Credit: Michigan State University

As spring arrives across the country, tourists returning to beaches will face the reality of "red tide" -- harmful blooms of algae that make water unfit for swimming and pose risks to humans and sea life.


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