Red tide and its beliterious effects on fishery

摘要

The colour of the sea is generally deep ' RED TIDE ' - what is it?udblue, but certain circumstances green, brownudor pink colour can also be observed. Theudblue colour is characteristic of the open seas,udwhereas the green water is more common inudcoastal areas, and the brown or red water isudobserved in nearshore waters only. The blueudcolour of the open sea is the result of theudscattering effect of the light against the waterudmolecules or scattering against suspendedudminute particles or even due to the radiationudand colour changes of the clouds.