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Lookup NU author(s): Dr Marco FusiORCiD
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).
Globally, soils and sediments are affected by the bioturbation activities of benthic species. The consequences of these activities are particularly impactful in intertidal sediment, which is generally anoxic and nutrient-poor. Mangrove intertidal sediments are of particular interest because, as the most productive forests and one of the most important stores of blue carbon, they provide global-scale ecosystem services. The mangrove sediment microbiome is fundamental for ecosystem functioning, influencing the efficiency of nutrient cycling and the abundance and distribution of key biological elements. Redox reactions in bioturbated sediment can be extremely complex, with one reaction creating a cascade effect on the succession of respiration pathways. This facilitates the overlap of different respiratory metabolisms important in the element cycles of the mangrove sediment, including carbon, nitrogen, sulphur and iron cycles, among others. Considering that all ecological functions and services provided by mangrove environments involve microorganisms, this work reviews the microbial roles in nutrient cycling in relation to bioturbation by animals and plants, the main mangrove ecosystem engineers. We highlight the diversity of bioturbating organisms and explore the diversity, dynamics and functions of the sediment microbiome, considering both the impacts of bioturbation. Finally, we review the growing evidence that bioturbation, through altering the sediment microbiome and environment, determining a ‘halo effect’, can ameliorate conditions for plant growth, highlighting the potential of the mangrove microbiome as a nature-based solution to sustain mangrove development and support the role of this ecosystem to deliver essential ecological services.
Author(s): Booth JM, Fusi M, Marasco R, Daffonchio D
Publication type: Article
Publication status: Published
Journal: Microbial Biotechnology
Year: 2023
Volume: 16
Issue: 8
Pages: 1584-1602
Print publication date: 01/08/2023
Online publication date: 20/05/2023
Acceptance date: 30/04/2023
Date deposited: 16/10/2024
ISSN (electronic): 1751-7915
Publisher: Wiley-Blackwell Publishing Ltd.
URL: https://doi.org/10.1111/1751-7915.14273
DOI: 10.1111/1751-7915.14273
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