Algaí
Plandaí micreascópacha iad seo a snámhann san uisce agus a chuireann cothú ar fáil do na cineálacha beatha is ísle i líonra bia an uisce. Úsáideann siad fótaisintéis chun solas na gréine a thiontú go bia. Tagann fás borb ar na halgaí má thruaillítear an t-uisce le cothaithigh. Blás algach a tugtar air agus is féidir leis eotrófú a dhéanamh ar locha.
Algae
These free-floating microscopic plants provide nutrition for lower orders of the aquatic food web, converting the sun’s energy into food via photosynthesis. Nutrient pollution causes rapid algal growth – called ‘algal bloom’ – and can contribute to eutrophication of lakes.