Investigation of heavy metal pollution on cultured clams and oysters in Vandon - Quangninh, North Vietnam

In Vietnam, most of the polluted sources in the coastal area originated from untreated or poorly treated wastewater from urban cities. The wastewater may come through the sewer system, thus eventually ending up in the oceans. Particularly, the coastal zone of Quang Ninh province is one of the important sea areas with a main aquaculture purpose.