Graphical abstract (IMAGE)
Caption
Graphical abstract illustrating the experimental setup in three constructed wetland tracks (T1–T3), where different substrate materials (plastic, wood, and marble) were immersed below the produced water surface for a one-month incubation period. The schematic highlights the dominance of bacterial classes, including Epsilonproteobacteria, Gammaproteobacteria, and Alphaproteobacteria, and the functional profiles of the microbial communities across the sample types. Overall, substrate-associated biofilm communities exhibited greater diversity and functional specialization, with enrichment in hydrocarbon-related functions, than planktonic communities in produced water.
Credit
Al-Hadhrami et al., 2026
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Original content