Complex sentence: Bioclogging is observed under continuous ponded infiltration or groundwater flow in aquifer, for example, artificial recharge ponds, percolation trench, irrigation channel, sewage treatment system, landfill liner, permeable reactive barrier, and microbial enhanced oil recovery.
Split into simpler sentences: Bioclogging is observed under continuous ponded infiltration, for example, artificial recharge ponds, percolation trench, irrigation channel, sewage treatment system and landfill liner. It also affects groundwater flow in aquifer, such as permeable reactive barrier and microbial enhanced oil recovery.