Biological toxins, poisons by certain types of microscopic algae (almost 57% of harmful algal bloom species of dinoflagellates are fashion) that are present in sea water is produced. The combination of several factors, temperature, sunlight, currents, salinity, nutrients, trace elements, vitamins and chemicals can increase the rate of reproduction of plankton or Lmyshkvfayy term. It is foreseen that in some cases, harmful algal blooms are known to be harmful because they are known to have the potential to cause disease.to
Persistent organic pollutants (POPs) such as dieldrin , hexachlorobenzene , pentachloroanisole , trans-nonachlor , cis-chlordane , trans-chlordane , methoxychlor and toxaphene are many a times found in commercial fish feed contributing towards pond water pollution.