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Ecological Restoration of Soils and Wastewater
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Ecological Restoration of Soils and Wastewater

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

Deadline for manuscript submissions: closed (12 December 2023) | Viewed by 3970

Special Issue Editor

Dr. Qifa Zhou

E-Mail Website
Guest Editor
College of Life Sciences, Zhejiang University, Hangzhou 310027, China
Interests: co-remediation of soil and water; phycoremediation; phytoremediation; plant-microalgae co-culture; plant-algae interaction
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Soil and water resources are two vital resources sustaining humans around the world. Degradation and pollution of soil and water have become severe problems damaging ecological and human health. The issues are expected to become more prominent in the coming years due to population growth and climate change. Soil and water resources are intricately linked, and the degradation and pollution of one affects the other. Remediation of soil and wastewater represents tedious efforts as remediation activities are facing technical, environmental, socioeconomic, and legal challenges. In recent decades, the restoration of soil and wastewater in an ecological manner has received more and more attention. For successful ecological remediation practices, the cooperation of professionals with a wide array of backgrounds and skills should be encouraged. This Special Issue (SI) aims to gather papers emphasizing different aspects and findings of ecological restoration methods and mechanisms, applications of ecological restoration at a local or regional scale, and impact assessment of ecological restoration approaches for soil and wastewater. New research papers, reviews, case reports, and conference papers are welcome to this issue. Papers dealing with co-remediation of soil and wastewater are particularly welcome. Papers assessing the impact (e.g., public health and climate change) of ecological restoration activities are also welcome.

The topics of interest include but are not limited to:

  • Bioremediation (e.g., phytoremediation, phycoremediation and microbe-based remediation) of soils and wastewater;
  • Ecological restoration of farmland and agricultural wastewater—methods and applications;
  • Ecological restoration of the coastal environment;
  • Wetland;
  • Impact assessment of ecological restoration approaches for soil and wastewater;
  • Mathematical modeling and systems analysis for ecological restoration.

You may choose our Joint Special Issue in Sustainability.

Dr. Qifa Zhou
Guest Editor

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. 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

  • wastewater
  • soil degradation and pollution
  • bioremediation
  • ecological restoration
  • contaminant removal
  • diversity and community structure
  • climate change
  • environmental impact assessment and risk analysis
  • wetland
  • modeling

Published Papers (2 papers)

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Research

19 pages, 3194 KiB  
Article
Anthropogenic Land Use and Land Cover Change as Potential Drivers of Sediment Sources in the Upper Crocodile River, North West Province, South Africa
by Samuel Che Nde, Sammy Kipyego Bett, Manny Mathuthu and Lobina Palamuleni
Int. J. Environ. Res. Public Health 2022, 19(20), 13313; https://doi.org/10.3390/ijerph192013313 - 15 Oct 2022
Viewed by 1804
Abstract
In this study, we investigated the accelerating pace of anthropogenic land use and land cover change (LULCC) disturbance, which has generated enormous impacts on the Crocodile River. Spot images from 1996, 2009 and 2022 were used to generate the land use maps and [...] Read more.
In this study, we investigated the accelerating pace of anthropogenic land use and land cover change (LULCC) disturbance, which has generated enormous impacts on the Crocodile River. Spot images from 1996, 2009 and 2022 were used to generate the land use maps and quantify the changes. A supervised classification with the maximum likelihood classifier was used to classify the images. Sediment sources were classified into two sources, revealed by erosional characteristics in the catchment. A gamma spectrometry detector, high-purity germanium (HPGe) “Well” detector by Canberra and inductively coupled plasma mass spectrometry (ICP–MS) were used for the analysis of the samples. The results revealed that from 1996–2022, built-up areas, bare land and water bodies increased by 3.48%, 2.47% and 1.90%, respectively. All the LULCC classes increased annually from 1996–2022, except for grassland, which shrunk. The results of the radionuclides analysis showed that 210Pbex was found to be a more effective tracer than 137Cs. The mass balance model revealed that subsurface sources contributed 60%, while surface sources contributed 40%, of the sediment load in the river. This research provides valuable information necessary for integrated catchment management policies for future LULCC and soil erosion to be adopted. Full article
(This article belongs to the Special Issue Ecological Restoration of Soils and Wastewater)
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11 pages, 1055 KiB  
Article
High-Energy-Density Organic Amendments Enhance Soil Health
by Feifan Shi, Xinyue Zhao, Qilu Cheng, Hui Lin, Huabao Zheng and Qifa Zhou
Int. J. Environ. Res. Public Health 2022, 19(19), 12212; https://doi.org/10.3390/ijerph191912212 - 26 Sep 2022
Cited by 2 | Viewed by 1384
Abstract
Soil microbial biomass (SMB) and soil microbial communities (SMCs) are the key factors in soil health and agricultural sustainability. We hypothesized that low bioavailable carbon (C) and energy were the key limiting factors influencing soil microbial growth and developed a new fertilization system [...] Read more.
Soil microbial biomass (SMB) and soil microbial communities (SMCs) are the key factors in soil health and agricultural sustainability. We hypothesized that low bioavailable carbon (C) and energy were the key limiting factors influencing soil microbial growth and developed a new fertilization system to address this: the simultaneous application of mineral fertilizers and high-energy-density organic amendments (HED-OAs). A microcosm soil incubation experiment and a Brassica rapa subsp. chinensis pot culture experiment were used to test the effects of this new system. Compared to mineral fertilizer application alone, the simultaneous input of fertilizers and vegetable oil (SIFVO) achieved a bacterial abundance, fungal abundance, and fungal:bacterial ratio that were two orders of magnitude higher, significantly higher organic C and nitrogen (N) content, significantly lower N loss, and nearly net-zero N2O emissions. We proposed an energy and nutrient threshold theory to explain the observed bacterial and fungal growth characteristics, challenging the previously established C:N ratio determination theory. Furthermore, SIFVO led to microbial community improvements (an increased fungal:bacterial ratio, enriched rhizosphere bacteria and fungi, and reduced N-transformation bacteria) that were beneficial for agricultural sustainability. A low vegetable oil rate (5 g/kg) significantly promoted Brassica rapa subsp. chinensis growth and decreased the shoot N content by 35%, while a high rate caused severe N deficiency and significantly inhibited growth of the crop, confirming the exceptionally high microbial abundance and indicating severe microbe–crop competition for nutrients in the soil. Full article
(This article belongs to the Special Issue Ecological Restoration of Soils and Wastewater)
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