Sewage treatment reed-bed. These common reeds (Phragmites australis) are part of a self- contained treatment system that purifies the sewage from the village of Tongue,Scotland. The mixture of aerobic & anaerobic soil conditions that results,allows bacteria & fungi to flourish,which processes sewage and purifies water. The bed was planted with over 10,000 reeds in 1997. The cleaned water is then feed into an estuary | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Fraser, Simon |
Bildgröße: | 4655 px × 3772 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |