14612 IUPAC Gold Book - ecological energetics 10.1351/goldbook.14612 14612 current 1 Study of the flow of energy within an ecological system from the time the energy enters the living system until it is irretrievably lost from the system as heat. It is also referred to as production ecology, because ecologists use the word "production" to describe the process of energy input and storage in ecosystems. ecosystems https://goldbook.iupac.org/terms/view/14619 PAC, 2009, 81, 829. 'Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)' on page 872 (https://doi.org/10.1351/PAC-REC-08-07-09) https://goldbook.iupac.org/terms/view/14612/html https://goldbook.iupac.org/terms/view/14612/json https://goldbook.iupac.org/terms/view/14612/plain Citation: 'ecological energetics' 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.14612 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. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . 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. 2026-06-29T02:44:36+00:00