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Emerging Contaminants in Riverine and Marine Ecosystems

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water Quality and Contamination".

Deadline for manuscript submissions: closed (30 December 2023) | Viewed by 2430

Special Issue Editors


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Guest Editor
College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China
Interests: environmental behaviors; health risk; source apportionment; soil and sediment; remediation

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Guest Editor
College of Environment, Hohai University, Nanjing, China
Interests: emerging contaminants; contamination control; environmental assessment; bio-ecological regulation

Special Issue Information

Dear Colleagues,

Emerging contaminants (ECs) (endocrine-disrupting chemicals, pharmaceuticals and personal care products, pesticides, etc.) and superfluous nutrients have been receiving increased attention in the fields of riverine and marine ecosystems, as they pose serious threats to aquatic ecology and public health. Riverine and marine ecosystems receive diverse and complex contaminants from point and non-point sources, including industrial wastewater, municipal sewage discharge, and agricultural runoff. In contrast with terrestrial ecosytems, in riverine and marine ecosystems ECs and other contaminants generally have lower concentrations and higher mobility, thus are difficult to detect and assess, and harm aquatic environments. Given the serious negative effects of ECs and superfluous nutrients on riverine and marine ecosystems, green remediation strategies are expected to be developed.

This Special Issue welcomes critical reviews, monographs, mini research articles, and research papers concerning the occurrence, transportation, and risk assessment of ECs in riverine and marine ecosystems, their environmental effects on aquatic organisms (microbes, invertebrates, plants, fish, etc.), and sustainable and environmental friendly laboratory- and field-scale approaches and methods for remediating and mitigating ECs in riverine, estuarine and marine environments.

Prof. Dr. Yinhai Lang
Prof. Dr. Zhenhua Zhao
Guest Editors

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Keywords

  • emerging contaminants
  • riverine and marine ecosystem
  • source identification
  • occurrence
  • transportation
  • ecological risk
  • health risk
  • contamination indices
  • environmental toxicology
  • remediation

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Published Papers (1 paper)

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Research

17 pages, 4488 KiB  
Article
Exploring the Cumulative Selectivity of Polycyclic Aromatic Hydrocarbons in Phytoplankton, Water, and Sediment in Typical Urban Water Bodies
by Liling Xia, Zhenhua Zhao, Zihan Lang, Zhirui Qin and Yuelong Zhu
Water 2022, 14(19), 3145; https://doi.org/10.3390/w14193145 - 6 Oct 2022
Cited by 8 | Viewed by 1831
Abstract
To understand the interactions among eutrophication, algal bloom, and POPs (persistent organic pollutants) in freshwater ecosystems, the cumulative selectivity of PAHs (polycyclic aromatic hydrocarbons) in phytoplankton, water, and sediment with different eutrophication level waters were identified in a typical plain river network region [...] Read more.
To understand the interactions among eutrophication, algal bloom, and POPs (persistent organic pollutants) in freshwater ecosystems, the cumulative selectivity of PAHs (polycyclic aromatic hydrocarbons) in phytoplankton, water, and sediment with different eutrophication level waters were identified in a typical plain river network region located in Nanjing City. Results showed that a total of 33 algal species belonging to 27 genera and 4 phyla were identified in 15 sites of urban water bodies, and most of them belonged to the type Cyanobacteria–Bacillariophyta. The eutrophication level of these rivers and lakes led to the sample site specificity of algal composition and abundance. The planktonic algae mainly accumulated the 2-ring and 3-ring PAHs, and the sediment mainly enriched the high-ring PAHs. However, the enrichment capacity of planktonic algae on PAHs was much higher than that of sediment. Cyanophyta and some species of Bacillariophyta and Chlorophyta in mesotrophic (βm) and meso-eutrophic water bodies (ßαm) preferentially accumulated lower-ring PAHs (naphthalene, acenaphthylene, and phenanthrene). Some other specific algae species, such as Euglenophyta, some species of Bacillariophyta, and most Chlorophyta in mesotrophic and moderate eutrophic water bodies, had strong capacities to enrich high-ring PAHs subsuming benzo[a]anthracene, chrysene, and anthracene. The eutrophication level of water bodies affected the cumulative selectivity of PAHs by shaping the site specificity of phytoplankton composition, which may be related to water quality, sediment characteristics, phytoplankton composition, and the algal cell walls. Full article
(This article belongs to the Special Issue Emerging Contaminants in Riverine and Marine Ecosystems)
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