3 years ago

Microbial activity and the dynamics of ecosystem processes in forest soils

Microbial activity and the dynamics of ecosystem processes in forest soils
Microbial activity in forest soils is driven by the dynamics of ecosystem processes, largely dependent on trees as the major primary producers. Diurnal variation of root activity, seasonality of photosynthate production or recalcitrance of decomposing plant biomass all affect microbial abundance, composition of their communities and activity. Due to low N content, fungi appear to be the major decomposers of complex plant biomass: litter and deadwood and to largely shape associated bacterial communities and their activity. On the other hand, bacteria are important in decomposition of fungal mycelia and N-cycle processes including N-fixation. Microbial activity is also affected in the short term by climatic events and in the long-term by ecosystem development after disturbances.

Publisher URL: www.sciencedirect.com/science

DOI: S1369527416301564

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