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To understand spatial and temporal variations of nitrous oxide (N2O) fluxes, we chose to measure N2O emissions from three plant stands (Kobresia tibetica, Carex muliensis, and Eleocharis valleculosa stands) in an open fen on the northeastern Qinghai–Tibetan plateau during the growing seasons from 2005 to 2007. The overall mean N2O emission rate was about 0.018 ± 0.056 mg N m−2 h−1 during the growing...
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