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Observed declines in leaf nitrogen explained by photosynthetic acclimation to CO2
https://www.profitableratecpm.com/f4ffsdxe?key=39b1ebce72f3758345b2155c98e6709c
Proceedings of the National Academy of Sciences, Volume 122, Issue 33, August 2025. <br/>SignificanceForest responses to rising atmospheric CO2create critical uncertainties about ecosystem services under climate change. While negative trends in leaf nitrogen content have been widely observed and linked to increasing CO2, the underlying …



