Phytoplankton is the main source of primary production in both marine and freshwater habitats.Some of the species occasionally grow very fast or bloom and accumulate into dense,visible patches near the surface of the water,then the harmful algal blooms(HABs) break out.The HABs is very severe in the costal waters of the China Sea.They destroy the zoological balance of the water.Worse still,some species produce potent neurotoxins that can be transferred through the food web,where they affect and even ki...