Increased N deposition, rather than warming, strongly affects the functional structure of soil microbial community in a subtropical forest

Low-latitude forest ecosystems are characterized by
high productivity, high mineral nitrogen (N) levels
and low soil organic carbon (C) levels. The continuous increase of both the global
temperature and N deposition has been predicted to stimulate microbial communities
and their function. However, because of the difficulty of
field experimentation in mountain forests, the underlying mechanisms remain
unclear. We examined the functional gene composition, structure, and metabolic
potential of soil microbial communities after a 4-year exposure to warming and
N addition using a functional gene microarray (GeoChip 5.0) in the context of subtropical
forests.