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Geochemistry for a Sustainable Development
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Geochemistry for a Sustainable Development

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Chemical Engineering and Technology".

Deadline for manuscript submissions: closed (30 April 2019) | Viewed by 7222

Special Issue Editor

Dr. Vittorio Scribano

E-Mail Website
Guest Editor
Department of Biological, Geological and Environmental Sciences, University of Catania, 95124 Catania, Italy
Interests: petrology; geochemical investigation; mantle xenoliths; volcanology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

A sustainable development produces long-term positive relationships between people’s well-being and life-supporting resources on Earth. Exploitation, processing, and final use of geo-resources, such as hydrocarbons and various mineral commodities, often pose serious sustainability concerns. Sustainability problems related to geo-resources can be addressed using different methods pertaining to the wide realm of Earth Sciences.

Here, we consider the geochemical perspective (including isotope geochemistry and organic geochemistry). It is generally assumed that the geochemical approach for sustainable development is functional to address environmental problems, such as to identify particular chemical compounds as pollutants, and/or to suggest remediation strategies (e.g., recommending the use of particular chemical compounds as pollutant antagonists). Although such an "applied geochemistry" viewpoint is quite correct, it is opportune to remark that the "basic research" viewpoint may be also consistent with sustainability matters, since apparently some theoretical reasoning and "pure" scientific experiments may disclose the proper way to achieve practical results, even in the field of environmental protection and sustainable development. For instance, it is known that most analytical methods widely used in applied geochemistry issues were originally designed to support "pure scientific" enterprises.

This Special Issue of Sustainability devoted to "Geochemistry for a Sustainable Development" will be broadly divided into the following four sections:

  1. Inspecting the geochemist's toolbox: analytical instruments and methods for a sustainable development
  2. Sustainability problems on energy-related geo-resources
  3. Geochemistry for a sustainable development: The ore deposits perspective.
  4. Geochemistry for a sustainable development: Case studies

Relevant case-studies should be concisely reported also in addressing topics 1,2,3.

Prof. Dr. Vittorio Scribano
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. Sustainability is an international peer-reviewed open access semimonthly 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 2400 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

  • Sustainability
  • development
  • Earth-sciences
  • geo-resources
  • geochemistry
  • hydrocarbons
  • ore deposits

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Published Papers (2 papers)

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Research

17 pages, 2706 KiB  
Article
Characteristics and Environmental Factors of Stoichiometric Homeostasis of Soil Microbial Biomass Carbon, Nitrogen and Phosphorus in China
by Haili Xue, Xiao Lan, Haoguang Liang and Qin Zhang
Sustainability 2019, 11(10), 2804; https://doi.org/10.3390/su11102804 - 16 May 2019
Cited by 20 | Viewed by 3243
Abstract
Marine studies have shown that the carbon:nitrogen:phosphorus (C:N:P) atomic ratio in planktonic organisms is generally 106:16:1, which is known as the “Redfield ratio”. This raises the question of whether there are similar patterns in terrestrial organisms, particularly in soil. In this study, we [...] Read more.
Marine studies have shown that the carbon:nitrogen:phosphorus (C:N:P) atomic ratio in planktonic organisms is generally 106:16:1, which is known as the “Redfield ratio”. This raises the question of whether there are similar patterns in terrestrial organisms, particularly in soil. In this study, we extracted 404 datasets from the literature to analyze the ecological stoichiometry of C, N and P, both in the soil and in the soil microbial biomass in China; additionally, we assessed their relationships with environmental factors, and calculated the homeostasis coefficient (H) of soil microbial biomass. First, although the concentrations of C, N and P in soil and soil microbial biomass showed high spatial heterogeneity, the atomic C:N:P ratios in the soil and soil microbial biomass were relatively consistent at the national scale. Second, the influences of temperature and precipitation on stoichiometric relationships among C, N and P in the soil and soil microbial biomass were limited in China; however, they decreased with the increase in soil pH. Third, the degree of stoichiometric homeostasis for soil microbes spanned a wide range, from non-homeostasis to strict homeostasis. For single elements, most of the soil microbes’ H ranged from 1.01 to 5.00; for elemental ratios, most of the soil microbes’ H displayed strict homeostasis. This study indicates that the “Redfield-like” ratio exists in the soil microbial biomass in the 0–20 cm soil layer in China, with an atomic C:N:P ratio of 66:8:1 and it is close to the atomic C:N:P ratio in the soil (66:5:1) of terrestrial ecosystems. In addition to the N:P ratio in plants, the soil microbial biomass N:P ratio may also be used to judge the nutrient limitations because of its high stability. Full article
(This article belongs to the Special Issue Geochemistry for a Sustainable Development)
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10 pages, 739 KiB  
Article
Effects of Carbon Addition on Dissimilatory Fe(III) Reduction in Freshwater Marsh and Meadow Wetlands
by Xiaoyan Zhu, Yuxiang Yuan and Ming Jiang
Sustainability 2018, 10(11), 4309; https://doi.org/10.3390/su10114309 - 21 Nov 2018
Cited by 5 | Viewed by 3234
Abstract
The progress of dissimilatory iron(III) reduction is widespread in natural environments, particularly in anoxic habitats; in fact, wetland ecosystems are considered as “hotspots” of dissimilatory Fe(III) reduction. In this study, we conducted soil slurry and microbial inoculation anaerobic incubation with glucose, pyruvate, and [...] Read more.
The progress of dissimilatory iron(III) reduction is widespread in natural environments, particularly in anoxic habitats; in fact, wetland ecosystems are considered as “hotspots” of dissimilatory Fe(III) reduction. In this study, we conducted soil slurry and microbial inoculation anaerobic incubation with glucose, pyruvate, and soluble quinone anthraquinone-2,6-disulphonate (AQDS) additions in freshwater marsh and meadow wetlands in the Sanjiang Plain, to evaluate the role of carbon addition in the rates and dynamics of iron reduction. Dissimilatory Fe(III) reduction in marsh wetlands responded more quickly and showed twice the potential for Fe(III) reduction as that in meadow wetland. Fe(III) reduction rate in marsh and meadow wetlands was 76% and 30%, respectively. Glucose had a higher capacity to enhance Fe(III) reduction than pyruvate, which provides valuable information for the further isolation of Fe reduction bacteria in pure culture. AQDS could dramatically increase potential Fe(III) reduction as an electron shuttle in both wetlands. pH exhibited a negative relationship with Fe(III) reduction. In view of the significance of freshwater wetlands in the global carbon and iron cycle, further profound research is now essential and should explore the enzymatic mechanisms underlying iron reduction in freshwater wetlands. Full article
(This article belongs to the Special Issue Geochemistry for a Sustainable Development)
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