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Contributions of nitrogen deposition and forest regrowth to terrestrial carbon uptake
Authors:Galina Churkina  Kristina Trusilova  Mona Vetter  Frank Dentener
Institution:(1) Max-Planck Institute for Biogeochemistry, Hans-Knllstr. 10, 07745 Jena, Germany;(2) European Commission, Institute for Environment and Sustainability, Joint Research Center, Ispra, Italy
Abstract:

Background  

The amount of reactive nitrogen deposited on land has doubled globally and become at least five-times higher in Europe, Eastern United States, and South East Asia since 1860 mostly because of increases in fertilizer production and fossil fuel burning. Because vegetation growth in the Northern Hemisphere is typically nitrogen-limited, increased nitrogen deposition could have an attenuating effect on rising atmospheric CO2 by stimulating the vegetation productivity and accumulation of carbon in biomass.
Keywords:
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