Metal(loid)s Mobility in Hypersaline Environments and Salt Marshes

A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Environmental Mineralogy and Biogeochemistry".

Deadline for manuscript submissions: closed (1 August 2021) | Viewed by 2303

Special Issue Editors


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Guest Editor
1. Marine Biology Station, National Institute of Biology, Fornače 41, 6330 Piran, Slovenia
2. Faculty of Education, University of Primorska, Cankarjeva ulica 5, 6000 Koper, Slovenia
Interests: saline and hypersaline environments; composition and transformation of organic matter; biogeochemistry of hypersaline environment; therapeutic mud (peloid); microbial mat; pollution of coastal waters

E-Mail Website
Guest Editor
Marine Biology Station, National Institute of Biology, Fornače 41, 6330 Piran, Slovenia
Interests: saline and hypersaline environments; composition and transformation of organic matter; interactions of organic matter and metal(loid)s; biogeochemistry of metal(loid)s

Special Issue Information

Dear Colleagues,

Saline and hypersaline environments are characterized by diverse and unique biogeochemical properties and biological communities. Such extreme ecosystems consequently represent a very vulnerable natural resource with great ecological value for the ecosystem, which is of high importance in terms of both culture and economy.

Despite positive trends in natural resource management and an integrated approach to sustainable conservation and development, the saline and hypersaline environments are subjected to the effects of increasing anthropogenic pressure, particularly metals and metalloids. Consequently, for exploitation, survival, and conservation of these environments, it is essential to know and predict how they respond to human and abiotic perturbations. The assessment and knowledge of concentrations, distributions, bioavailability, and mobility of metal(loid)s in the mentioned environments are very important for better understanding of the mechanisms controlling the dispersal, accumulation, and fate of the metal(loid)s as well as their potential ecological and biological effects.

This special issue aims to merge the research communities investigating spatial and temporal distribution of metal(loid)s in saline and hypersaline environments with different in situ and laboratory analytical approach, as well as to share and discuss the recent results, experience, techniques and future perspectives.

Dr. Nives Kovač
Prof. Dr. Jadran Faganeli
Guest Editors

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Keywords

  • Hypersaline environments/saltmarshes
  • Sediment
  • Metal(loid)s
  • Concentration, spatial and temporal distribution
  • Biogeochemical effects
  • Environmental geochemistry and mineralogy

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Published Papers (1 paper)

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Research

22 pages, 69221 KiB  
Article
A Detailed Insight into the Detrital and Diagenetic Mineralogy of Metal(oid)s: Their Origin, Distribution and Associations within Hypersaline Sediments
by Nastja Rogan Šmuc, Nives Kovač, Žan Hauptman, Andrej Šmuc, Matej Dolenec and Aleš Šoster
Minerals 2021, 11(11), 1168; https://doi.org/10.3390/min11111168 - 22 Oct 2021
Cited by 1 | Viewed by 1778
Abstract
Hypersaline environments are among the most vulnerable coastal ecosystems and are extremely noteworthy for a variety of ecological reasons. Comprehensive assessment of metal(oid) contamination in hypersaline sediments from Sečovlje (Northern Adriatic, Slovenia) was addressed by introducing the detrital and diagenetic mineralogy and geochemical [...] Read more.
Hypersaline environments are among the most vulnerable coastal ecosystems and are extremely noteworthy for a variety of ecological reasons. Comprehensive assessment of metal(oid) contamination in hypersaline sediments from Sečovlje (Northern Adriatic, Slovenia) was addressed by introducing the detrital and diagenetic mineralogy and geochemical properties within the solid sediment material. Close associations between Fe/Mn oxides and oxyhydroxides with As, Cr, Ni, Pb and Zn, and between organic matter with Cu, Pb and Zn were confirmed using X-ray powder diffraction, SEM-EDS and ICP emission spectrometry analysis. Possible incorporation or adsorption on the crystal lattices of clay minerals (As, Cr, Pb, Sn and Zn), halite (As) and aragonite/calcite (Cd, Cu, Pb, Sr and Zn) were also detected. All presented correlations were highlighted by various statistical analyses. The enrichment factor (EF) values showed a low degree of anthropogenic burden for As, Bi, Hg and Zn, while Cd, Cr, Cu, Ni, Pb, Sn and Sr originated from the geological background. These results emphasise that a detailed mineralogical and geochemical characterisation of solid (especially detrital and diagenetic) sediment particles is crucial in further understanding the metal(oid) translocation within the hypersaline ecosystems. Full article
(This article belongs to the Special Issue Metal(loid)s Mobility in Hypersaline Environments and Salt Marshes)
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