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Impacts of Pollution on Coastal and Marine Ecosystems

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Oceans and Coastal Zones".

Deadline for manuscript submissions: closed (31 October 2020) | Viewed by 8319

Special Issue Editor


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Guest Editor
Mediterranean Institute of Oceanography, Marseille, France
Interests: microorganisms; contaminants; marine ecosystems; carbon cycle; ecotoxicology

Special Issue Information

Dear Colleagues,

The risk of environmental contamination by pollutants is particularly high in marine and coastal environments. The legislative and regulatory context provide many thematic motivations for basic research, including evaluation of biological and ecological effects of chemical contaminants with a particular attention on microorganisms considering their key role in the ecosystem. Tackling contamination by anthropic contaminants in marine ecosystems requires obtain information from different disciplines to (i) determine the bioavailability of contaminants for the biota, (ii) assess their impact on the biota mostly using ecotoxicological and toxicological approaches, and (iii) propose mitigation measures using remediation tools to reduce contaminant toxicity.

This Special Issue aims to publish studies toward better understanding the impact of pollution on marine and coastal ecosystems on different scales, from the gene to the community levels. Particular attention will be paid to studies that consider the contamination levels observed in polluted ecosystems characterized by multi-contamination and low concentrations of contaminants.

Dr. Olivier Pringault
Guest Editor

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Keywords

  • Organic contaminants
  • Heavy metals
  • Ecotoxicology
  • Plastic particles
  • Emerging contaminants
  • Biological contamination
  • Water column
  • Sediment
  • Estuaries
  • Coastal environment
  • Marine environments

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Published Papers (2 papers)

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Research

11 pages, 853 KiB  
Article
Determination of the Bioaccumulative Potential Risk of Emerging Contaminants in Fish Muscle as an Environmental Quality Indicator in Coastal Lagoons of the Central Mexican Pacific
by Miguel Ángel Arguello-Pérez, Eduardo Ramírez-Ayala, Jorge Alberto Mendoza-Pérez, María Magdalena Monroy-Mendieta, Miguel Vázquez-Guevara, Carlos Lezama-Cervantes, Enrique Godínez-Domínguez, Francisco de Asís Silva-Bátiz and Adrián Tintos-Gómez
Water 2020, 12(10), 2721; https://doi.org/10.3390/w12102721 - 29 Sep 2020
Cited by 15 | Viewed by 3173
Abstract
This research proposes an environmental quality indicator to detect, predict and scientifically evaluate the environmental impact generated by chemical substances within the pollutant group of nonsteroidal anti-inflammatory drugs (NSAIDs) that are categorized as emerging contaminants (ECs) with endocrine disruptive action. The present study [...] Read more.
This research proposes an environmental quality indicator to detect, predict and scientifically evaluate the environmental impact generated by chemical substances within the pollutant group of nonsteroidal anti-inflammatory drugs (NSAIDs) that are categorized as emerging contaminants (ECs) with endocrine disruptive action. The present study was carried out in two coastal lagoons affected by wastewater produced by urban and rural settlements in the states of Colima and Jalisco. Four pharmaceutical compounds were analyzed: diclofenac, ibuprofen, ketorolac and naproxen. The muscle tissues of 14 fish species were analyzed; all had measurable concentrations of the four contaminants. The presence of the ECs was confirmed in all the samples collected. The bioaccumulative potential risk (BPR) of the ECs is estimated by calculating the environmental risk factors and the potential risks to human health, evaluating the concentration and assessing the risk involved in the incorporation of the pollutants into the environment. The BPR indicates the potential impact of NSAIDs on the ecology of these coastal lagoons, and predicts whether a contaminant is likely to act and persist in the environment and bioaccumulate in organisms. Additionally, it estimates the possibility of contamination and risks to human health caused by residues of the chemical contaminants. Full article
(This article belongs to the Special Issue Impacts of Pollution on Coastal and Marine Ecosystems)
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10 pages, 1970 KiB  
Article
Determination of Median Lethal Concentration (LC50) and Nitrite Accumulation in the Blood and Tissue of Blood Cockle (Tegillarca granosa, Linnaeus 1758)
by Nurul Hazwani Hashim, Ferdaus Mohamat-Yusuff, Amirul Azuan Joni, Faradiella Mohd Kusin, Khairul Nizam Mohamed, Zufarzaana Zulkeflee, Zulfa Hanan Asha’ari and Syaizwan Zahmir Zulkifli
Water 2020, 12(8), 2197; https://doi.org/10.3390/w12082197 - 5 Aug 2020
Cited by 4 | Viewed by 4308
Abstract
This study aimed to determine the nitrite toxicity of blood cockle Tegillarca granosa, with the objectives being to identify the median lethal concentration (LC50) and the accumulation level of nitrite in Tegillarca granosa, and to determine the relationship of nitrite accumulation [...] Read more.
This study aimed to determine the nitrite toxicity of blood cockle Tegillarca granosa, with the objectives being to identify the median lethal concentration (LC50) and the accumulation level of nitrite in Tegillarca granosa, and to determine the relationship of nitrite accumulation with mortality percentage. The levels of LC50 and accumulation of nitrite were determined after 72 h of exposure to different nitrite concentrations (0, 0.5, 1.0, 1.5, and 2.0 mg/L). Nitrite accumulation was analysed using Method 8153 and a DR2800 spectrophotometer (HACH, Loveland, CO, USA). LC50 was identified at 1.53 mg/L, and nitrite accumulated in the ranges of 0.012 to 0.106 mg/L wet weight and 0.002 to 0.089 mg/L wet weight in the blood and soft tissue samples, respectively. Accumulation concentration in both tissue and blood cells increased proportionally with the exposure concentration, and had a strong positive relationship with the percentage of mortality. Our findings suggest that prolonged exposure of nitrite led to accumulation in the blood and tissues and caused cockle mortality. Full article
(This article belongs to the Special Issue Impacts of Pollution on Coastal and Marine Ecosystems)
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