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Biology
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Coastal Wetland Ecosystems
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Coastal Wetland Ecosystems

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

Deadline for manuscript submissions: closed (31 May 2023) | Viewed by 10985

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; sulfur cycle; carbon sink function; plant invasion; pollution
Special Issues, Collections and Topics in MDPI journals
Dr. Wenwen Liu

E-Mail Website
Guest Editor
College of the Environment and Ecology, Xiamen University, Xiamen 361102, China
Interests: invasion ecology; population dynamics; community ecology; salt marsh and global change
Dr. Gui-Feng Gao

E-Mail Website
Guest Editor
Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China
Interests: biogeographic distributions of soil microbial communities in coastal wetlands; spatial-temporal shifts in the structure and function of soil microbiome in response to environmental changes, particularly under sea level rise and plant invasion
Dr. Yanyan Lu

E-Mail
Guest Editor
School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, China
Interests: management of nutrients and wastes; soil quality/ecosystem services; coastal wetlands and plant invasion; remediation of contaminated soils and water

Special Issue Information

Dear Colleagues,

Coastal wetlands are highly productive and valuable ecosystems, and thus have great potential to be used as Nature-based solutions to address a variety of challenges associated with environment, ecology and economy. Common multi-essential ecosystem services provided from coastal wetlands include erosion control, biodiversity support, water quality protection, and carbon sequestration, etc. Although the area is rather small compared to many other terrestrial ecosystems, coastal wetlands contribute to more than 20% of the total value of ecosystem services globally, exceeding the contributions of 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. Coastal wetlands represent a particularly important research area that is increasingly receiving public attention and protection. This research is critical to the improvement of costal wetland function-effect predictability and management.

We invite submissions on coastal wetlands from a range of disciplines. They can be based on field observations, modeling, 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, biogeochemical cycle of biogenic elements, ecosystem services, population dynamics, community ecology, global change, soil microbial communities, and the function of soil microbiome.

We look forward to receiving your contributions.

Dr. Jian Li
Dr. Wenwen Liu
Dr. Gui-Feng Gao
Dr. Yanyan Lu
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
  • biogeochemical cycle of biogenic element
  • population and community ecology
  • global climate change
  • coastal zone management
  • structure and function of microbiome
  • ecosystem function
  • human–environment interaction

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Related Special Issue

Published Papers (4 papers)

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Research

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18 pages, 3912 KiB  
Article
Occurrence and Distribution of Tetrabromobisphenol A and Diversity of Microbial Community Structure in the Sediments of Mangrove
by Yongcan Jiang, Qiang Wang, Yunling Du, Dong Yang, Jianming Xu and Chongling Yan
Biology 2023, 12(5), 757; https://doi.org/10.3390/biology12050757 - 22 May 2023
Cited by 2 | Viewed by 1912
Abstract
The occurrence and distribution characteristics of tetrabromobisphenol A (TBBPA) and its relationship with microbial community diversity in different mangrove sediments need further investigation. The results of this study indicated levels of TBBPA in mangrove sediments from the Zhangjiang Estuary (ZJ), Jiulongjiang Estuary (JLJ), [...] Read more.
The occurrence and distribution characteristics of tetrabromobisphenol A (TBBPA) and its relationship with microbial community diversity in different mangrove sediments need further investigation. The results of this study indicated levels of TBBPA in mangrove sediments from the Zhangjiang Estuary (ZJ), Jiulongjiang Estuary (JLJ), and Quanzhou Bay (QZ) in Southeast China ranging from 1.80 to 20.46, 3.47 to 40.77, and 2.37 to 19.83 ng/g dry weight (dw), respectively. Mangrove sediments from JLJ contained higher levels of TBBPA, possibly due to agricultural pollution. A correlation analysis revealed a significant correlation between total organic carbon (TOC), total nitrogen (TN), and TBBPA distribution in ZJ and JLJ mangrove sediments, but not in QZ mangrove sediments. TOC significantly affected the distribution of TBBPA in mangrove sediments, but pH had no effect. High-throughput 16S rRNA gene sequencing showed that Pseudomonadota dominated the sediment bacteria followed by Chloroflexota, Actinobacteota, Bacillota, Acidobacteriota, Bacteroidota, and Aminicenantes in mangrove sediments. Although the microbial community structure of the ZJ, JLJ, and QZ mangrove sediments was similar, the taxonomic profile of their sensitive responders differed markedly. The genus Anaerolinea was dominant in the mangrove sediments and was responsible for the in situ dissipation of TBBPA. Based on redundancy analysis, there was a correlation between TBBPA, TOC, TN, C/N, pH, and microbial community structure at the genus level. Combining TBBPA, TN, and TOC may induce variations in the microbial community of mangrove sediments. Full article
(This article belongs to the Special Issue Coastal Wetland Ecosystems)
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22 pages, 5778 KiB  
Article
Effect of Seawall Embankment Reclamation on the Distribution of Cr, Cu, Pb and Zn Pollution in Invasive Spartina alterniflora and Native Phragmites australis Coastal Saltmarshes of East China
by Jian Li, Zhanrui Leng, Hui Jia, Lili Wei, Taitiya Kenneth Yuguda and Daolin Du
Biology 2023, 12(2), 253; https://doi.org/10.3390/biology12020253 - 6 Feb 2023
Cited by 3 | Viewed by 2483
Abstract
Coastal reclamation by seawall embankments and the spread of invasive C4 perennial grass Spartina alterniflora have recently become more prevalent in eastern China’s coastal wetlands. While trace metals (TMs), carbon, and nitrogen dynamics concerning reclamation have extensively been explored across China’s coastal [...] Read more.
Coastal reclamation by seawall embankments and the spread of invasive C4 perennial grass Spartina alterniflora have recently become more prevalent in eastern China’s coastal wetlands. While trace metals (TMs), carbon, and nitrogen dynamics concerning reclamation have extensively been explored across China’s coastal wetlands, to date, the impact of reclamation by coastal embankment and exotic plant invasion on TMs’ pollution dynamics in coastal marshes remains largely unexplored. We compared TMs Cr, Cu, Pb, and Zn cumulation in coastal embankment-reclaimed versus unreclaimed S. alterniflora and Phragmites australis saltmarshes in eastern China coastal wetlands. In both S. alterniflora and P. australis marshes, coastal embankment reclamation spurred an increase in Cr, Cu, Pb, and Zn concentrations by 31.66%, 53.85%, 32.14%, 33.96% and by 59.18%, 87.50%, 55.55%, 36.84%, respectively, in both marsh types. Reclamation also reduced plant biomass, soil moisture, and soil salinity in both plants’ marshes. Our findings suggest that the impact of coastal embankment reclamation and replacement of native saltmarshes by invasive S. alterniflora had a synergistic effect on TM accumulation in the P. australis marshes, as corroborated by bioaccumulation and translocation factors. Reclamation by coastal embankments and invasive alien plants could significantly impair the physico-chemical properties of native plant saltmarsh and essentially weaken the accumulation of Cr, Cu, Pb, and Zn potential of the coastal saltmarshes. Our findings provide policymakers with an enhanced knowledge of the relationship between reclamation, plant invasiveness, and TM pollution dynamics in coastal wetlands, providing a baseline for attaining future goals and strategies related to the tradeoffs of various wetland reclamation types. Full article
(This article belongs to the Special Issue Coastal Wetland Ecosystems)
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12 pages, 2277 KiB  
Article
Characterization and Expression Analysis of Four Cadmium-Tolerance-Associated Genes of Avicennia marina (Forsk.)
by Jinfeng Yu, Jicheng Zhang and Hualong Hong
Biology 2023, 12(2), 216; https://doi.org/10.3390/biology12020216 - 30 Jan 2023
Cited by 1 | Viewed by 2231
Abstract
Mangroves colonize the intertidal area of estuaries (e.g., Pichavaram, Payardia, and Mai Po) with remarkable cadmium (Cd) pollution. A study on the mechanism of mangrove plant response to Cd pollution can help to understand the adaptive characteristics of plants under Cd stress. This [...] Read more.
Mangroves colonize the intertidal area of estuaries (e.g., Pichavaram, Payardia, and Mai Po) with remarkable cadmium (Cd) pollution. A study on the mechanism of mangrove plant response to Cd pollution can help to understand the adaptive characteristics of plants under Cd stress. This study explored the roles of peroxidase (PRX), pectate lyase (PL), and phytosulfokine (PSK) genes in cadmium tolerance of mangrove Avicennia marina. Full-length sequences of four genes (i.e., AmPRX1, AmPRX2, AmPL, and AmPSK) associated with metal tolerance were identified with suppression subtractive hybridization and rapid amplification of cDNA ends. These genes showed the characteristic features of the respective protein family, indicating functions similar to other plant proteins. Real-time quantitative PCR analysis demonstrated that cadmium exposure resulted in differences in expression patterns among the tissues. Our findings emphasize the complex regulatory mechanism of these four genes in response to trace metal pollution and reveal their functions in metabolic signaling during the stress response. Full article
(This article belongs to the Special Issue Coastal Wetland Ecosystems)
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Review

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12 pages, 793 KiB  
Review
Impact of Spartina alterniflora Invasion in Coastal Wetlands of China: Boon or Bane?
by Xiaojun Zheng, Zeeshan Javed, Bing Liu, Shan Zhong, Zheng Cheng, Abdul Rehman, Daolin Du and Jian Li
Biology 2023, 12(8), 1057; https://doi.org/10.3390/biology12081057 - 27 Jul 2023
Cited by 15 | Viewed by 3275
Abstract
Invasive plants, like Spartina alterniflora (SA), have a competitive advantage over native flora due to their rapid utilization of vital soil nutrients. This results in the depletion of resources for native plant species, significantly impacting ecosystem diversity and stability. This comprehensive review addresses [...] Read more.
Invasive plants, like Spartina alterniflora (SA), have a competitive advantage over native flora due to their rapid utilization of vital soil nutrients. This results in the depletion of resources for native plant species, significantly impacting ecosystem diversity and stability. This comprehensive review addresses several key aspects related to SA’s spread and spatial distribution in China’s wetlands. The rapid expansion of Spartina alterniflora is attributed to its high reproductive ability, adaptability to environmental factors like elevated salinity, and ability to disperse its seeds via tides. Spartina alterniflora mainly were found in Zhejiang, Jiangsu, Fujian, and Shanghai provinces, accounting for more than 90% of China’s total Spartina alterniflora area. Spartina alterniflora rapid growth results in displacement of native species and loss of vital microbial, plant, and animal diversity. Some studies reported that Spartina alterniflora increases carbon storage, while others argue that it weakens this function. The impact of Spartina alterniflora on organic and inorganic carbon requires further research for better understanding dynamics of carbon in coastal wetlands. The controlled growth of Spartina alterniflora can be beneficial in many aspects of the coastal wetlands’ ecosystem. In China, various methods have been employed to control the invasion of SA. Physical control, such as removing the plants and converting them into fertilizer or bioenergy, has been commonly used but has limitations like air pollution and the potential for re-invasion. Chemical herbicides like Imazapyr and Haloxyfop-R-methyl have effectively controlled and prevented re-invasion in specific areas, but their potential adverse impacts are still uncertain. Wetland Park construction, aquaculture development, and substituting native or exotic species with mangroves or reed communities have also been successful. It becomes evident that a long-standing and Contextual approach is necessary to effectively manage the advantages and curtail the drawbacks associated with S. alterniflora across China. Full article
(This article belongs to the Special Issue Coastal Wetland Ecosystems)
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