Research Article

An Assessment of Heavy Metals Toxicity in Asian Clam, Corbicula fluminea, from Mekong River, Pa Sak River, and Lopburi River, Thailand

Table 2

Heavy metals concentration of C. fluminea in descending order from three rivers.

MetalThe sequence in descending order

ZnPa Sak >Lopburi>Mekong
CuPa Sak >Lopburi>Mekong
CdPa Sak >Mekong>Lopburi
CrPa Sak >Lopburi>Mekong
MnMekong >Pa Sak >Lopburi
PbPa Sak > Mekong>Lopburi