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Microbial activity plays a central role in nitrogen (N) cycling, with effects on forest productivity. Although N biotransformations, such as nitrification, are known to occur in the soil, here we investigate whether nitrifiers are present in tree canopies and actively process atmospheric N.
This study was conducted in a Mediterranean holm oak (Quercus ilex L.) forest in Spain during the transition...
This study examines the role of tree canopies in processing atmospheric nitrogen (Ndep) for four forests in the United Kingdom subjected to different Ndep: Scots pine and beech stands under high Ndep (HN, 13–19 kg N ha−1 yr−1), compared to Scots pine and beech stands under low Ndep (LN, 9 kg N ha−1 yr−1). Changes of NO3‐N and NH4‐N concentrations in rainfall (RF) and throughfall (TF) together with...
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