Adrian Davies / Warning sign highlighting the danger caused by a Cyanobacteria / Blue-green (Trichodesmium erythraeum) algal bloom in a lake, Richmond Park, Surrey, England, UK, October.
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Will Watson / Blue-green algae (Cyanbacteria) with shadow of an Ash tree {Fraxinus excelsior} on Great Wyrley & Essngton Canal, Staffordshire, UK
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Sergio Hanquet / Algal bloom on sea, called sea sawdust (Trichodesmium erythraeum) La Palma, Canary Islands.
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Sergio Hanquet / Green sea turtle (Chelonia mydas) swimming away from algal bloom in sea, also called sea sawdust (Trichodesmium erythraeum). Tenerife, Canary Islands.
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Sergio Hanquet / Algal bloom on the sea, also called sea sawdust (Trichodesmium erythraeum). Tenerife, Canary Islands.
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Sergio Hanquet / Pilot whale (Globicephala macorhynchus) with Sea sawdust cyanobacteria (Trichodesmium erythraeum) Tenerife, Canary Islands.
