Harvesting algae on a small farm near Bangphok,Thailand. A blue-green alga,Spirulina sp.,is grown in large open-air ponds and harvested using this simple sieve table to filter the algae from the water. They are used for producing food dyes or dried and used as a protein-rich health food. Pigments exctracted from Spirulina are also used as a stain in immunology | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / PROF. DAVID HALL |
Bildgröße: | 5043 px × 3300 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |