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Archived tree cores reveal why boreal forests are getting starved for nitrogen
- February 19, 2026 at 1:27 PM
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Despite decades of industrial deposition, nitrogen availability in the boreal forest is steadily declining. In a new study published in Nature, researchers from the Swedish University of Agricultural Sciences using decades of unique, stored data have found that atmospheric CO₂ is the main driver.
Originally published at Phys.org