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Posts tagged "algal blooms"

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Discussions Discussion Health & Environment
Wendy Bachman, Feb. 13, 2012

Dramatic changes to sea algae could herald devastation for human life:

Huge changes in the make-up of North Sea and North Atlantic Ocean algae in the space of five years could have harmful knock-on effects for human health and the rest of the food chain, research from Welsh scientists has revealed.

The changes seen in algal blooms – shifting from dinoflagellate to diatom algaes – could mean a build-up of toxins on feeder organisms.

Professor Graeme Hays, from Swansea’s Department of Biosciences in the College of Science, and an author in the study, said: “Imagine looking at your garden one morning and finding that the grass had suddenly been replaced by bushes. This may sound far-fetched, but we have found changes of this magnitude in the biology of the North Atlantic, with a dramatic switch in the prevalence of dinoflagellates to diatoms – two groups which include many of the microscopic planktonic plants forming the base of the ocean’s food chain.”


Wendy Bachman

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