Interesting facts about diatoms

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Diatoms in Use:

Diatoms as indicators of present & past water quality

Recently, Elizabeth Alexson completed her MS in Water Resources Science at the University of Minnesota Duluth. The case example of diatoms and St. Louis River paleolimnology was the basis of her thesis. This work was funded by Minnesota Sea Grant and as part of the outreach component of the grant we aimed to develop educational videos about how diatoms are studied and applied in retrospective analyses. Elizabeth currently works as a Scientist with Dr. Euan Reavie at the Natural Resources Research Institute using diatoms and other algae as indicators of past and present water quality in the Great Lakes ecosystem.

Have a look at her educational videos: 

  (1) Diatoms in Use

  (2) Diatoms as indicators applied in paleolimnology


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