Tagged: periphyton

What causes didymo blooms (“rock snot”) in NZ rivers? - Waiology

Waiology Dec 19, 2012

By Cathy Kilroy Ever since the alga Didymosphenia geminata was discovered growing prolifically in a South Island river, scientists have puzzled over how “blooms” (unusually large algal growths) of this alga can form. Rivers below lakes and dams in the South Island have been especially severely affected. Massive, persistent mats of didymo in these rivers have changed their character, reduced … Read More