... food. If the substance is not excreted by the fish it can bioaccumulate, which is an increase in the concentration of a substance over ... of persistent organic pollutants (POPs) that bioaccumulate are observed near large cities and industrialised areas. ...   (Fishing, agricultural, ballast, bioaccumulate, habitat, heavy metals, invasive species, pesticides, pops, ...

Story - josh - 22 Jan 2009 - 00:20