Possible emissions of N2O from plants in coniferous-deciduous mixed forests

Xu Hui; Zhang Xiu-jun; Huang Bin; Han Shi-jie; Huang Guo-hong; Chen Guan-xiong

doi:10.1007/BF02856792

Journal of Forestry Research ›› 2001, Vol. 12 ›› Issue (1) : 13 -17. DOI: 10.1007/BF02856792

Article

Possible emissions of N₂O from plants in coniferous-deciduous mixed forests

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Abstract

Aboveground vertical profiles of N₂O concentrations were measured within two natural coniferous-deciduous mixed forests of 1998 and 1999 in Changbal Mountain. Significant high N₂O concentrations were found in six profiles out of twelve profiles. The results showed that high concentrations were 3.03% to 64.9% higher than the “normal concentrations” in these six profiles. Differences between the high concentrations and the “normal concentrations” were statistically significant. The simultaneous occurrence of high concentrations at/nearby the canopy height and normal concentrations at the trunk space height indicated an efflux of N₂O from portant source of atmospheric N₂O in a forest ecosystem.

Keywords

Nitrous oxide / Concentration profile / Plant / Forest ecosystem / S718.51 / A

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Xu Hui, Zhang Xiu-jun, Huang Bin, Han Shi-jie, Huang Guo-hong, Chen Guan-xiong. Possible emissions of N₂O from plants in coniferous-deciduous mixed forests. Journal of Forestry Research, 2001, 12(1): 13-17 DOI:10.1007/BF02856792