The invasive algae Didymo covering rocks in river, British Columbia
'Didymo' algae covering rocks, Zymoetz river, British Columbia Didymosphenia geminata, commonly known as didymo or rock snot, is a species of diatom that grows in warm and shallow water. If it overgrows, it can form large mats on the bottom of lakes, rivers and streams. It is not considered a significant human health risk, but it can affect stream habitats and sources of food for fish and make recreational activities unpleasant. It is considered a nuisance organism or invasive species. The microscopic algae can be spread in a single drop of water.
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Photo credit: © Keith Douglas / Alamy / Afripics
License: Licensed
Model Released: Yes
Keywords: algae, bc, biosecurity, british, canada, columbia, diatoms, didymo, didymosphenia, freshwater, geminata rock, invasive, nuisance, organism, river, rivers, snot, species, water, zymoetz
