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New method confirms importance of fungi in Arctic nitrogen cycle

several different sources of nitrogen in the soil," says John Hobbie. "Our study indicates that the differences can be attributed mainly to the presence or absence of symbiotic mycorrhizal fungi."

The researcher's new technique is shedding light not only on the nitrogen cycle in arctic tundra ecosystems, but can be applied to other nitrogen-poor ecosystems. "In the future, studies of plant nitrogen supply in all nitrogen-poor ecosystems must include these important transfers between plants and fungi," says Hobbie.


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Source:Marine Biological Laboratory


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