Copepod
E. affinis was used, because it peaks during cyanobacterial blooms
(Viitasalo,1992).We filtered seawater(FSW),obtained from the same
pelagic area as the animals, with GF/C filters (Whatman). FSW and
5ml f2-Si nutrient solution were added to each 1.2 l glass bottle, to
avoid competition for nutrients