Microbial Community Dynamics and Ecological Functions in Wetlands

A special issue of Diversity (ISSN 1424-2818). This special issue belongs to the section "Microbial Diversity and Culture Collections".

Deadline for manuscript submissions: closed (28 February 2026) | Viewed by 1295

Special Issue Editors


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Guest Editor
Department of Life and Environmental Sciences, Bournemouth University, Wallisdown, Poole BH12 5BB, UK
Interests: microbial eukaryotes; microbial ecology and biodiversity; biogeography; symbiosis
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, China
Interests: climate change; soil; nitrogen; bacteria; environment; climate variability; biodiversity; carbon sequestration; fertilizers; soil biology

Special Issue Information

Dear Colleagues, 

Wetlands represent globally critical ecosystems that sustain biodiversity and provide essential ecosystem services, underpinned by diverse microbial communities that regulate biogeochemical cycles, organic matter decomposition, and contaminant transformation. However, these vital communities now face escalating pressures from emerging contaminants, including antibiotics, microplastics, and various other synthetic substances. The presence of these pollutants (multiple pollutants often simultaneously in natural environments) alters the structure, metabolic networks, and ecological functions of microbial communities, with profound implications for wetland resilience and adaptive capacity. Understanding these responses is critical for assessing the long-term health and stability of wetland ecosystems. Therefore, by integrating multi-scale approaches—from molecular mechanisms to ecosystem-level processes under individual or multiple pollutants—this Special Issue aims to showcase the latest research at the forefront of this field and enhance public awareness of wetland protection from an ecological and biodiversity conservation perspective.  

The scope includes, but is not limited to, the following fields: microbial communities, functional shifts, multi-omics approaches, effects of individual or multiple emerging contaminants, multi-scale methodology applications, and the development and application of ecological models. We invite original research articles, reviews, and perspectives that address these critical challenges. If you are interested in this opportunity or have any questions, please do not hesitate to contact us. We look forward to your participation.

Prof. Dr. Genoveva F. Esteban
Dr. Xia Yuan
Guest Editors

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Keywords

  • wetland ecosystems
  • microbial ecology
  • community diversity
  • population dynamics
  • biogeochemical cycling
  • microbial adaptation
  • ecosystem functioning
  • emerging contaminants
  • mixed contaminant effects
  • ecotoxicology
  • ecosystem resilience
  • wetland conservation

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Published Papers (1 paper)

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Research

24 pages, 3137 KB  
Article
Genome-Resolved Metagenomics of Microbes from the Atoud Dam, Southwestern Saudi Arabia
by Fatmah M. Alqahtani
Diversity 2026, 18(1), 16; https://doi.org/10.3390/d18010016 - 25 Dec 2025
Viewed by 944
Abstract
Artificial freshwater bodies receive elemental inputs and face environmental stressors, posing a risk of wetland pollution that could threaten ecological health. In such an inland backwater, its microbial diversity and functional potentials remain uncharacterized. Here, shotgun metagenomic sequencing was performed on environmental DNA [...] Read more.
Artificial freshwater bodies receive elemental inputs and face environmental stressors, posing a risk of wetland pollution that could threaten ecological health. In such an inland backwater, its microbial diversity and functional potentials remain uncharacterized. Here, shotgun metagenomic sequencing was performed on environmental DNA samples collected from the Atoud Dam reservoir in southwestern Saudi Arabia. The taxonomic assignments of the sequencing reads identified Pseudomonadota and Actinomycetota as the dominant phyla, while the most prevalent species was Microcystis aeruginosa. Binning assembled contigs recovered 30 metagenome-assembled genomes representing 11 phyla, suggesting potentially novel bacterial taxa and metabolic functions. Functional analysis of gene-coding sequences identified genes associated with mobile genetic elements and xenobiotic biodegradation pathways as the main factors driving the spread of antibiotic resistance genes. Additionally, a community-wide analysis of enzyme-encoding genes involved in regulating the carbon, nitrogen, and sulfur cycles revealed significant annotation of denitrification and thiosulfate oxidation pathways under anoxic conditions, suggesting early signs of eutrophication and a potential risk of algal blooms. Overall, our study provides detailed insights into the genomic capabilities of the microbial community in this previously understudied ecosystem and establishes baseline data for future assessments of microbial biodiversity in other, less-explored ecosystems, thereby facilitating more effective biomonitoring and discovery. Full article
(This article belongs to the Special Issue Microbial Community Dynamics and Ecological Functions in Wetlands)
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