ORIGINAL RESEARCH article
Front. Mar. Sci.
Sec. Marine Ecosystem Ecology
Volume 12 - 2025 | doi: 10.3389/fmars.2025.1569857
MIGRATION OF DELTAIC AND OPEN WATER MANGROVE FORESTS IN RESPONSE TO ENVIRONMENTAL FACTORS
Provisionally accepted
- 1Department of Biology, Faculty of Sciences, National University of Colombia, Bogota, Cundinamarca, Colombia
- 2Dirección Académica, Universidad Nacional de Colombia-Sede de La Paz, La Paz, Colombia
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To understand the changes in the position of the mangrove forest fronts, migration trends of Rhizophora mangle along the coast, were analyzed in response to oceanographic, climatic variability and hydrological coast regulators. Due to the large biological, physical and climatic differences between Pacific and insular Caribbean coasts of Colombia, the working hypothesis proposed differences in migration drivers and mangrove responses between the coasts. Remote sensing and photointerpretation techniques were used to identify and quantify the spatial variation of deltaic forest types on the Pacific coast and open-water forest types in the Caribbean. Regression analysis was used to relate mangrove front changes with river water discharge, ENSO climate variability, and wave height and velocity coming from directions in interaction or not with the coral reef (in open water forest). It was found that in 13 years of observation (2010 to 2023), there were constant changes in the position of the mangrove front in both the Caribbean and the Pacific. Wave heights from directions that do not interact with the coral reef barrier, such as during periods of strong hurricane influence, along with ENSO variability, collectively explained the annual changes in the mangrove front of open waters (r² = 0.91). Freshwater discharge, which was linked to the size of a protective sediment bar in front of the mangroves, significantly accounted for the annual changes in mangrove coverage (r² = 0.70). The open coast mangrove front exhibited a net progradation of 0.45 to 1.02 m yr⁻¹, while the deltaic mangrove at Bocagrande showed a net retreat of 1.13 m yr⁻¹. These findings provide valuable insights for marine spatial planning, supporting mangrove conservation efforts.
Keywords: Coastal erosion, Neotropical mangroves, Geomorphic setting, Pacific, Caribbean, Rhizophora mangle
Received: 02 Feb 2025; Accepted: 22 Apr 2025.
Copyright: © 2025 Echeverry Hernández, Mancera and Sanchez-Nuñez. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Johanna Paola Echeverry Hernández, Department of Biology, Faculty of Sciences, National University of Colombia, Bogota, Cundinamarca, Colombia
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