The word "algal" refers to something that is related to or derived from algae, which are tiny, plant-like organisms that typically live in water. Full definition
The IJC said those reductions would «reduce the frequency and severity of harmful algal blooms in the western Lake Erie basin to an acceptable level.» (sciencedaily.com)
A recent study of harmful algal blooms in the Chesapeake Bay and its tributaries by the University of Maryland Center for Environmental Science show a marked increase in these ecosystem - disrupting events in the past 20 years that are being fed by excess nitrogen runoff from the watershed. (sciencedaily.com)
In nature, nitrogen and phosphate pollution harms aquatic life by spurring the growth of algal blooms. (newscientist.com)