Hydrology Corner Blog: Didymosphenia geminata

rock snot algae - Water Quality

Is Rock Snot Affecting Your Rating Curve?

Didymo is a northern circumpolar species preferring cold, clear water. It is spreading rapidly with the primary mode of dispersion suspected to be contaminated fishing/wading gear. It is a problematic invasive species because it’s effect on the food web of a stream starting with the displacement of common macro invertebrates and native alga. Attempts to…