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Biology
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Wetland Ecosystems (2nd Edition)
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Wetland Ecosystems (2nd Edition)

A special issue of Biology (ISSN 2079-7737). This special issue belongs to the section "Ecology".

Deadline for manuscript submissions: 1 June 2025 | Viewed by 2854

Special Issue Editors

Dr. Jian Li

E-Mail Website
Guest Editor
Institute of Environment and Ecology, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
Interests: coastal wetland; plant invasion; sulfur cycle; pollution; carbon sink function
Special Issues, Collections and Topics in MDPI journals
Dr. Chenglang Pan

E-Mail Website
Guest Editor
Fujian Key Laboratory on Conservation and Sustainable Utilization of Marine Biodiversity, Fuzhou Institute of Oceanography, Minjiang University, Fuzhou 350108, China
Interests: cellular; molecular; biological mechanisms of plant adversity adaptation
Dr. Qiang Wang

E-Mail Website
Guest Editor
State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
Interests: wetland carbon cycle and climate change; soil organic carbon sequestration; iron–carbon coupling mechanism; biomarker

Special Issue Information

Dear Colleagues,

Wetlands are known as the 'gene pool of species' and have important ecological service functions, playing a significant role in maintaining biodiversity, sequestering carbon, reducing emissions, and mitigating and preventing natural disasters. Although the area is rather small compared to many other terrestrial ecosystems, wetlands contribute to more than 20% of the total value of ecosystem services globally, exceeding the contributions from terrestrial forests and coral reefs. However, they are facing serious degradation caused by both anthropogenic and natural factors such as environmental pollution and biological invasion, not only posing a threat to wetland biological communities but also quantitatively and qualitatively affecting nutrient cycling, energy flow, and other functions of ecosystems.

Wetlands represent a particularly important research area that is increasingly receiving public attention and protection. This research is critical to the improvement of wetland function-effect predictability and management.

We invite submissions on wetlands from a range of disciplines. They can be based on field observations, modeling, laboratory experiments, and/or geospatial techniques. In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following: biological invasion, pollution, carbon sink function, the biogeochemical cycle of biogenic elements, ecosystem services, population dynamics, community ecology, global climate change, soil microbial communities, the function of the soil microbiome, the environmental adaptation mechanisms of wetland organisms, wetland landscape, and wetland degradation.

We look forward to receiving your contributions.

Dr. Jian Li
Dr. Chenglang Pan
Dr. Qiang Wang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Biology is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • biological invasion
  • pollution
  • carbon sink function
  • the biogeochemical cycle of biogenic elements
  • population and community ecology
  • global climate change
  • coastal zone management
  • the structure and function of the microbiome
  • environmental adaptation mechanisms of wetland organisms
  • wetland landscape
  • wetland degradation

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Related Special Issue

Published Papers (5 papers)

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Research

17 pages, 4188 KiB  
Article
Environmental and Climatic Drivers of Phytoplankton Communities in Central Asia
by Fangze Zi, Tianjian Song, Jiaxuan Liu, Huanhuan Wang, Gulden Serekbol, Liting Yang, Linghui Hu, Qiang Huo, Yong Song, Bin Huo, Baoqiang Wang and Shengao Chen
Biology 2024, 13(9), 717; https://doi.org/10.3390/biology13090717 - 12 Sep 2024
Viewed by 457
Abstract
Artificial water bodies in Central Asia offer unique environments in which to study plankton diversity influenced by topographic barriers. However, the complexity of these ecosystems and limited comprehensive studies in the region challenge our understanding. In this study, we systematically investigated the water [...] Read more.
Artificial water bodies in Central Asia offer unique environments in which to study plankton diversity influenced by topographic barriers. However, the complexity of these ecosystems and limited comprehensive studies in the region challenge our understanding. In this study, we systematically investigated the water environment parameters and phytoplankton community structure by surveying 14 artificial waters on the southern side of the Altai Mountains and the northern and southern sides of the Tianshan Mountains in the Xinjiang region. The survey covered physical and nutrient indicators, and the results showed noticeable spatial differences between waters in different regions. The temperature, dissolved oxygen, total nitrogen, and total phosphorus of artificial water in the southern Altai Mountains vary greatly. In contrast, the waters in the northern Tianshan Mountains have more consistent physical indicators. The results of phytoplankton identification showed that the phytoplankton communities in different regions are somewhat different, with diatom species being the dominant taxon. The cluster analysis and the non-metric multidimensional scaling (NMDS) results also confirmed the variability of the phytoplankton communities in the areas. The variance partitioning analysis (VPA) results showed that climatic and environmental factors can explain some of the variability of the observed data. Nevertheless, the residual values indicated the presence of other unmeasured factors or the influence of stochasticity. This study provides a scientific basis for regional water resource management and environmental protection. Full article
(This article belongs to the Special Issue Wetland Ecosystems (2nd Edition))
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15 pages, 2383 KiB  
Article
Genetic Variability in Mediterranean Coastal Ecosystems: Insights into Ostrea spp. (Bivalvia: Ostreidae)
by Giuseppe Esposito, Simone Peletto, Ximing Guo, Paolo Pastorino, Alessandra Arillo, Isabella Martini, Pier Luigi Acutis, Davide Mugetti, Domenico Meloni, Marino Prearo and Paola Modesto
Biology 2024, 13(9), 702; https://doi.org/10.3390/biology13090702 - 7 Sep 2024
Viewed by 370
Abstract
Oysters are sessile, filter-feeding bivalve molluscs widely distributed in estuarine and coastal habitats worldwide. They constitute a valuable resource for fisheries and extensive aquaculture and provide essential ecological services. Yet, their genetic diversity and distribution remain understudied. The variability in shell morphology complicates [...] Read more.
Oysters are sessile, filter-feeding bivalve molluscs widely distributed in estuarine and coastal habitats worldwide. They constitute a valuable resource for fisheries and extensive aquaculture and provide essential ecological services. Yet, their genetic diversity and distribution remain understudied. The variability in shell morphology complicates species classification, which is influenced by environmental and genetic factors. Although molecular phylogenetics research has refined oyster taxonomy and identified approximately 100 extant species, numerous taxonomic uncertainties persist. In the present study, we aimed to document the occurrence of small flat oysters of the genus Ostrea along the Mediterranean coastal areas of Liguria and Sardinia (Italy). Specifically, 16S rRNA sequence data were used to identify Ostrea species. Our findings offer novel insights into the O. stentina species complex and O. neostentina, a new species in the Mediterranean coastal areas of Italy. The study data further our understanding of Ostrea species diversity, distribution, and evolutionary patterns. Full article
(This article belongs to the Special Issue Wetland Ecosystems (2nd Edition))
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15 pages, 5162 KiB  
Article
Methanogenic Community Characteristics and Its Influencing Factors in Reservoir Sediments on the Northeastern Qinghai Plateau
by Zebi Liu, Xufeng Mao, Yi Wu, Liang Xia, Hongyan Yu, Wenjia Tang, Yanhong Qi, Ziping Zhang, Feng Xiao and Haichuan Ji
Biology 2024, 13(8), 615; https://doi.org/10.3390/biology13080615 - 14 Aug 2024
Viewed by 500
Abstract
Reservoirs are a hotspot for methane emissions, a potent greenhouse gas. However, the microbial basis for methane production in the Qinghai Plateau reservoirs remains unclear. To explore the characteristics of methanogenic communities in reservoir sediments on the northeastern Qinghai Plateau, sediment samples were [...] Read more.
Reservoirs are a hotspot for methane emissions, a potent greenhouse gas. However, the microbial basis for methane production in the Qinghai Plateau reservoirs remains unclear. To explore the characteristics of methanogenic communities in reservoir sediments on the northeastern Qinghai Plateau, sediment samples were collected from 18 reservoirs in the Yellow River basin during May 2023 (dry season) and August 2023 (wet season). High-throughput sequencing technology was employed to analyze the community composition, diversity, and co-occurrence network of methanogens. Furthermore, FAPROTAX and Mantel analysis were used to assess the metabolic functions of methanogens and their influencing factors. The results showed that (1) the predominant genera of methanogens were Methanobacterium (28.87%) and Methanosarcina (21.67%). Hydrogenotrophic methanogenesis was the main pathway in the sediments. (2) Significant spatiotemporal differences were observed in the diversity of methanogenic communities (p < 0.05). The composition and diversity of these communities were found to be significantly influenced by temperature, pH, altitude, organic carbon, and total nitrogen (p < 0.05). (3) Methanosarcina, Methanobacterium, and Methanospirillum play crucial roles in maintaining the stability of methanogenic community networks. The co-occurrence network nodes are predominantly positively correlated (99.82%). These results provide data for further studies on carbon cycling in the Qinghai Plateau reservoirs. Full article
(This article belongs to the Special Issue Wetland Ecosystems (2nd Edition))
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15 pages, 11985 KiB  
Article
Response Characteristics and Community Assembly Mechanisms of nirS-Type Denitrifiers in the Alpine Wetland under Simulated Precipitation Conditions
by Ni Zhang, Kelong Chen, Ji Chen, Wei Ji, Ziwei Yang and Zhirong Chen
Biology 2024, 13(8), 596; https://doi.org/10.3390/biology13080596 - 7 Aug 2024
Viewed by 567
Abstract
The nitrogen cycling process in alpine wetlands is profoundly affected by precipitation changes, yet the dynamic response mechanism of denitrifiers to long-term precipitation shifts in the alpine wetland of the Qinghai-Tibet Plateau remains enigmatic. Utilizing high-throughput sequencing analysis of nirS-type functional genes, this [...] Read more.
The nitrogen cycling process in alpine wetlands is profoundly affected by precipitation changes, yet the dynamic response mechanism of denitrifiers to long-term precipitation shifts in the alpine wetland of the Qinghai-Tibet Plateau remains enigmatic. Utilizing high-throughput sequencing analysis of nirS-type functional genes, this study delved into the dynamic response mechanism of nirS-type denitrifiers to precipitation changes in the alpine wetland of Qinghai Lake. The findings revealed that nirS-type denitrifiers in the alpine wetland of Qinghai Lake were primarily Proteobacteria, and Alpha diversity exhibited a negative correlation with the precipitation gradient, with deterministic processes predominating in the community assembly of denitrifying microbes. A 50% increase in rainfall shifted the community assembly process of denitrifiers from deterministic to stochastic. Dominant microflora at the genus level responded significantly to precipitation changes, with aerobic bacteria comprising the majority of differentially abundant taxa (55.56%). As precipitation increased, the complexity of the microbial interaction network decreased, and a 25% reduction in precipitation notably elevated the relative abundance of three key functional groups: chemoheterotrophic, aerobic chemoheterotrophic, and nitrogen fixation. Precipitation notably emerged as the primary regulator of nirS-type denitrifiers in the alpine wetland of Qinghai Lake, accounting for 51% of the variation in community composition. In summary, this study offers a fresh perspective for investigating the ecological processes of nitrogen cycling in alpine ecosystems by examining the diversity and community composition of nirS-type denitrifiers in response to precipitation changes. Full article
(This article belongs to the Special Issue Wetland Ecosystems (2nd Edition))
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16 pages, 4487 KiB  
Article
Seasonal Effects of Constructed Wetlands on Water Quality Characteristics in Jinshan Lake: A Gate Dam Lake (Zhenjiang City, China)
by Xiao Li, Xinlin Liu, Yulong Zhang, Jing Liu, Yang Huang and Jian Li
Biology 2024, 13(8), 593; https://doi.org/10.3390/biology13080593 - 6 Aug 2024
Viewed by 571
Abstract
Urban lakes commonly suffer from nutrient over-enrichment, resulting in water quality deterioration and eutrophication. Constructed wetlands are widely employed for ecological restoration in such lakes but their efficacy in water purification noticeably fluctuates with the seasons. This study takes the constructed wetland of [...] Read more.
Urban lakes commonly suffer from nutrient over-enrichment, resulting in water quality deterioration and eutrophication. Constructed wetlands are widely employed for ecological restoration in such lakes but their efficacy in water purification noticeably fluctuates with the seasons. This study takes the constructed wetland of Jinshan Lake as an example. By analyzing the water quality parameters at three depths during both summer and winter, this study explores the influence of the constructed wetland on the water quality of each layer during different seasons and elucidates the potential mechanisms underlying these seasonal effects. The results indicate that the constructed wetland significantly enhances total nitrogen (TN) concentration during summer and exhibits the capacity for nitrate–nitrogen removal in winter. However, its efficacy in removing total phosphorus (TP) is limited, and may even serve as a potential phosphorus (P) source for the lake during winter. Water quality test results of different samples indicated they belong to Class III or IV. Restrictive factors varied across seasons: nitrate–nitrogen and BOD5 jointly affected water quality in winter, whereas TP predominantly constrained water quality in summer. These results could provide a reference for water quality monitoring and management strategies of constructed wetlands in different seasons in Jiangsu Province. Full article
(This article belongs to the Special Issue Wetland Ecosystems (2nd Edition))
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