Open Access Research Paper Views (720) Download (22) Determination of mercury accumulation of Pistia stratiotes lam in lower Agusan River, Butuan City, Philippines Meljan T. Demetillo, Alvin B. Goloran J. Bio. Env. Sci.11( 4), 48-53, October 2017. Key: Agusan RiverHeavy metalMercuryPistia stratiotes Details