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Updated: May 26, 2026
08:24
Mesocosm-Scale Constructed Wetland Design for Wastewater Treatment
Published on: May 2, 2025
Microbial diversity and community composition in recirculating vertical flow constructed wetlands.
M Y Sklarz1, O Gillor, A Gross
1Department of Environmental Hydrology and Microbiology, Ben-Gurion University of the Negev, Israel. sklarz@bgu.ac.il
Summary
Microbial communities in recirculating vertical flow constructed wetlands (RVFCWs) demonstrate robust performance in wastewater treatment. Their consistent diversity ensures high treatment capacity despite environmental changes.
Area of Science:
- Environmental microbiology
- Wastewater engineering
- Constructed wetlands
Background:
- Microorganisms are crucial for constructed wetland (CW) function in wastewater treatment.
- Recirculating vertical flow CWs (RVFCWs) are effective in removing pollutants.
Purpose of the Study:
- To investigate microbial community diversity and composition in an RVFCW.
- To assess the impact of plants, season, and location on the microbial community and treatment performance.
Main Methods:
- Analysis of microbial diversity and composition in RVFCW beds.
- Monitoring of wastewater treatment efficiency (TSS, BOD5).
- Evaluation of environmental factors (plants, season, location) and their influence.
Main Results:
- RVFCWs achieved high removal rates for TSS and BOD5 (90-95%).
- Effluent quality was unaffected by season or plant presence.
- Bacterial diversity indices remained stable across different conditions.
Conclusions:
- The RVFCW system exhibits robust and consistent wastewater treatment performance.
- Stable microbial community structure contributes to the system's resilience against environmental variations.
- Microbial consistency underpins the high treatment capacity of RVFCWs.
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