Articles | Volume 16, issue 21
https://doi.org/10.5194/bg-16-4277-2019
https://doi.org/10.5194/bg-16-4277-2019
Research article
 | 
11 Nov 2019
Research article |  | 11 Nov 2019

The simulated N deposition accelerates net N mineralization and nitrification in a tropical forest soil

Yanxia Nie, Xiaoge Han, Jie Chen, Mengcen Wang, and Weijun Shen

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Cited articles

Aber, J., McDowell, W., Nadelhoffer, K., Magill, A., Berntson, G., Kamakea, M., McNulty, S., Currie, W., Rustad, L., and Fernandez, I.: Nitrogen saturation in temperate forest ecosystems – hypotheses revisited, Bioscience, 48, 921–934, https://doi.org/10.2307/1313296, 1998. 
Aber, J. D., Nadelhoffer, K. J., Steudler, P., and Melillo, J. M.: Nitrogen saturation in northern forest ecosystems, Bioscience, 39, 378–386, https://doi.org/10.2307/1311067, 1989. 
Booth, M. S., Stark, J. M., and Rastetter, E.: Controls on nitrogen cycling in terrestrial ecosystems: a synthetic analysis of literature data, Ecol. Monogr., 75, 139–157, https://doi.org/10.1890/04-0988, 2005. 
Braker, G., Zhou, J. Z., Wu, L. Y., Devol, A. H., and Tiedje, J. M.: Nitrite reductase genes (nirK and nirS) as functional markers to investigate diversity of denitrifying bacteria in Pacific northwest marine sediment communities, Appl. Environ. Microb., 66, 2096–2104, https://doi.org/10.1128/AEM.66.5.2096-2104.2000, 2000. 
Brookes, P. C., Landman, A., Pruden, G., and Jenkinson, D. S.: Chloroform fumigation and the release of soil nitrogen: a rapid direct extraction method to measure microbial biomass nitrogen in soil, Soil Biol. Biochem., 17, 837–842, https://doi.org/10.1016/0038-0717(85)90144-0, 1985. 
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Short summary
The N–transformation rates and N–related functional gene abundance were surveyed in a tropical forest soil with experimental N additions. The C : N ratio was the determinant factor for N transformations in the dry season while the microbial biomass was the one in the wet season. This study also found that high N addition imposed significant positive effects on the functional gene abundance of AOA amoA and nirK but negative effects on that of AOB amoA and nosZ.
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