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Wetland Ecology and Management for Environment

A special issue of International Journal of Environmental Research and Public Health (ISSN 1660-4601). This special issue belongs to the section "Environmental Earth Science and Medical Geology".

Deadline for manuscript submissions: closed (15 May 2023) | Viewed by 3083

Special Issue Editor


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Guest Editor
College of Environmental Science and Engineering, Qingdao University, Qingdao 266071, China
Interests: biochar application and its environmental effect; soil carbon; organic waste management and utilization; ecological restoration of coastal wetlands

Special Issue Information

Dear Colleagues,

Wetland is one of the most important parts of the world, and its dynamic change will greatly impact the biogeochemical cycle of matter, ecosystem stability, climate change, etc. on a regional or even global level. As reported in the Global Wetland Outlook (Special Edition 2021), 35% of global natural wetlands have been lost since 1970, leading to severe deterioration of ecological service functions of wetland and threatening the global ecological environment. To address this negative situation (wetland degradation), significant efforts by the government, social organizations, and scientists have focused in recent decades on the construction of conservation areas, conversion of croplands to wetlands, vegetation recovery, etc. However, there is great uncertainty in the outcomes and efficiencies related to eco-environmental improvements (e.g., ecological service value, pollution control, carbon sequestration, and others), among different management or restoration practices. Effective techniques and methods for long-term monitoring of a restoration project are also scarce. In addition, advanced research methods, such as life cycle assessment, cost–benefit analysis, techno-economic analysis, and meta-analysis, are urgently needed to explore the impacts of a management activity or a restoration project more comprehensively. Papers addressing these topics are invited for this Special Issue, especially those combining a high academic standard with a practical focus on providing optimal wetland conservation and restoration solutions.

Dr. Zhixiang Jiang
Guest Editor

Manuscript Submission Information

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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. International Journal of Environmental Research and Public Health 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 2500 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

  • carbon sequestration
  • ecological restoration
  • ecological service value accounting
  • pollution control
  • biochar
  • life cycle assessment
  • techno-economic analysis
  • meta-analysis
  • monitoring technology

Published Papers (2 papers)

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Research

18 pages, 4004 KiB  
Article
Phytoplankton Community Structure Dynamics in Relation to Water Environmental Factors in Zhalong Wetland
by Xiaoyu Li, Yuxi Zhao, Fangying Chai, Hongxian Yu, Xu Sun and Di Liu
Int. J. Environ. Res. Public Health 2022, 19(22), 14996; https://doi.org/10.3390/ijerph192214996 - 14 Nov 2022
Cited by 3 | Viewed by 1484
Abstract
Phytoplankton, as the primary producer of the wetland water ecosystem’s food chain, are very sensitive to environmental changes. In order to explore the significance of phytoplankton in protecting ecosystem integrity, the wetland ecosystem in Zhalong wetland, one of the most important international wetlands, [...] Read more.
Phytoplankton, as the primary producer of the wetland water ecosystem’s food chain, are very sensitive to environmental changes. In order to explore the significance of phytoplankton in protecting ecosystem integrity, the wetland ecosystem in Zhalong wetland, one of the most important international wetlands, was selected as the research area. For the study, 81 sampling sites were set up in the whole wetland, and phytoplankton samples and water quality environmental factors were measured in spring, summer, and autumn of 2019. The phytoplankton community structure and water environmental factors were evaluated by canonical correspondence analysis (CCA). The main research findings are as follows: a total of 292 species and variants of phytoplankton belonging to 8 phyla and 110 genera were identified within Zhalong wetland in spring, summer, and autumn 2019. The total phytoplankton abundance and biomass in summer were higher than in spring and autumn, and Cyclotella meneghiniana was the most dominant species in three seasons and three areas. The results of random forest are generally consistent with the results of CCA in spring, when the main environmental factors affecting phytoplankton were NTU and WT; the result in summer and autumn agreed with those of CCA, which awaits further study. In addition, the phytoplankton is mainly affected by WT, depth, and DO in the lake area, TP, DO, and NTU in the river area, and WT in the wetland area. Full article
(This article belongs to the Special Issue Wetland Ecology and Management for Environment)
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12 pages, 5603 KiB  
Article
Heterotrophic Bioleaching of Vanadium from Low-Grade Stone Coal by Aerobic Microbial Consortium
by Han Zhang, Jiaxin Shi, Cuibai Chen, Meng Yang, Jianping Lu and Baogang Zhang
Int. J. Environ. Res. Public Health 2022, 19(20), 13375; https://doi.org/10.3390/ijerph192013375 - 17 Oct 2022
Cited by 2 | Viewed by 1239
Abstract
Bioleaching is a viable method that assists in increasing the vanadium output in an economical and environmentally friendly manner. Most bioleaching is conducted by pure cultures under autotrophic conditions, which frequently require strong acidity and produce acid wastewater. However, little is known about [...] Read more.
Bioleaching is a viable method that assists in increasing the vanadium output in an economical and environmentally friendly manner. Most bioleaching is conducted by pure cultures under autotrophic conditions, which frequently require strong acidity and produce acid wastewater. However, little is known about heterotrophic bioleaching of vanadium by mixed culture. This study investigated the bioleaching of vanadium from low-grade stone coal by heterotrophic microbial consortium. According to the results, vanadium was efficiently extracted by the employed culture, with the vanadium recovery percentage in the biosystem being 7.24 times greater than that in the control group without inoculum. The average vanadium leaching concentration reached 680.7 μg/L in the first three cycles. The kinetic equation indicated that the main leaching process of vanadium was modulated by a diffusion process. Scanning electron microscopy revealed traces of bacterial erosion with fluffy structures on the surface of the treated stone coal. X-ray photoelectron spectroscopy confirmed the reduction of the vanadium content in the stone coal after leaching. Analysis of high-throughput 16S rRNA gene sequencing revealed that the metal-oxidizing bacteria, Acidovorax and Delftia, and the heterotrophic-metal-resistant Pseudomonas, were significantly enriched in the bioleaching system. Our findings advance the understanding of bioleaching by aerobic heterotrophic microbial consortium and offer a promising technique for vanadium extraction from low-grade stone coals. Full article
(This article belongs to the Special Issue Wetland Ecology and Management for Environment)
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