Environmental factors and red tide incidence
Water samples taken from along the Andaman coast in Ranong and Phang Nga province a total of 44 stations collected water samples at a depth of 30 cm with a sample bottle Van Dorn (Van Dorn), water temperature and salinity were measured. by using a multi-parameter water quality monitoring. Multiparameter (YSI 6600) Water sampling carried out on a boat to set an example within three days only during high tide. To avoid the impact of the various stages of the tidal cycle in the sea. Recorded during the field survey.