dissolved oxygen content

initialism: DOC
https://doi.org/10.1351/goldbook.14596
Amount concentration of oxygen dissolved in water at a particular temperature and pressure.
Note: This can be a limiting factor on the growth of aquatic populations.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 868 [Terms] [Paper]