15136 IUPAC Gold Book - wetland 10.1351/goldbook.15136 15136 current 1 Area of land consisting of soil that is saturated with moisture, such as a swamp, marsh, or bog. As defined in terms of physical geography, a wetland is an environment "at the interface between truly terrestrial ecosystems and aquatic systems making them inherently different from each other yet highly dependent on both". Wetlands are ecotones. Wetlands often host considerable biodiversity and endemism. In many locations such as the United Kingdom and United States, wetlands are the subject of conservation efforts and biodiversity action plans (BAPs). biodiversity https://goldbook.iupac.org//terms/view/14479 biodiversity action plans https://goldbook.iupac.org//terms/view/14480 conservation biology https://goldbook.iupac.org//terms/view/14547 conservation ecology https://goldbook.iupac.org//terms/view/14548 ecotones https://goldbook.iupac.org//terms/view/14620 endemism https://goldbook.iupac.org//terms/view/14633 soil https://goldbook.iupac.org//terms/view/15036 PAC, 2009, 81, 829. 'Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)' on page 963 (https://doi.org/10.1351/PAC-REC-08-07-09) https://goldbook.iupac.org/terms/view/15136/html https://goldbook.iupac.org/terms/view/15136/json https://goldbook.iupac.org/terms/view/15136/plain Citation: 'wetland' 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.15136 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. 2026-04-21T10:18:04+00:00