bioconcentration

https://doi.org/10.1351/goldbook.14476
Process leading to a higher concentration of a substance in an organism than in environmental media to which it is exposed.
Note: Usually applied to uptake by aquatic organisms directly from water.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 847 [Terms] [Paper]