Mystery of world’s worst toxic algal blooms solved: Cold water upswells from the deeper ocean
The most deadly algal blooms have extremely high levels of the neurotoxin domoic acid, which causes paralytic food poisoning and in rare cases amnesia or death if people eat contaminated shellfish. Scientists now think they have discovered why such blooms happen. It was previously thought that a pocket of warm water, known as a ‘warm blob’, was to blame. A study in Geophysical Research Letters has now identified that in fact upwelling of cold water from the deep oceans was responsible. click here to read the story 09:31
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