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 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Fraser, Simon |
Taille de l’image : | 3784 px × 4647 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |