Title: eutrophication Long Title: IUPAC Gold Book - eutrophication DOI: 10.1351/goldbook.14665 Status: current Definition Process producing a high concentration of nutrient salts and a high or excessive rate of biological production in water. Note Usually involves depletion of the oxygen content caused by decay of organic matter resulting from high primary production as a result of enhanced input of nutrients. Source - PAC, 2009, 81, 829. 'Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)' on page 882 (https://doi.org/10.1351/PAC-REC-08-07-09) Other Outputs - html: https://goldbook.iupac.org/terms/view/14665/html - json: https://goldbook.iupac.org/terms/view/14665/json - xml: https://goldbook.iupac.org/terms/view/14665/xml Citation: Citation: 'eutrophication' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.14665 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. Accessed: 2026-04-19T03:44:30+00:00