The conceptual model for microbial community assembly and succession in engineered ecosystems. (IMAGE)
Caption
In engineered bioreactors, the initial microbial community is usually derived from activated sludge from stable operating WWTP or soil microorganisms. Phase I: Initial community. And then the community undergoes an acclimation process based on the functional requirements of the bioreactor, such as nitrogen and phosphorus concentrations and organic matter removal, and so forth. Phase II: Adaptive community. Finally, microbial community succession will restore stability. Phase III: Restored community. The operation of bioreactors can be divided into 4 types (no environmental disturbance, single disturbance, multiple disturbances, and continuously increased disturbances) according to the operating conditions. It should be noted that the vertical coordinate does not indicate the magnitude of the value, but only represents the strength.
Credit
Yong-Chao Wang, Ya-Hui Lv, Ye Deng, Yu-Ting Lin, Guan-Yu Jiang, John C. Crittenden, Can Wang
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License
CC BY-NC-ND