Translations:Järviwiki:Ohje/Näin teet havainnot/Sinilevätilanne/6/en

Pollen seems misleadingly similar to cyanobacteria. However, pollen is especially present in water in spring and early summer, but cyanobacteria usually only become abundant after mid-summer when the waters warm up. If there is a lot of pollen in the water, it is usually also abundant on the beach.