Advances in Aquatic Pollution Assessment and Management

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

Deadline for manuscript submissions: closed (15 October 2021) | Viewed by 6588

Special Issue Editor


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Guest Editor
RMIT University, Melbourne, Australia
Interests: macroinvertebrates; aquatic ecosystems; water quality; ecology; ecotoxicology; biomonitoring

Special Issue Information

Dear Colleagues,

There are many challenges for identifying those contaminants, causing environmental harm and taking appropriate actions to address pollution. It is not possible to screen for all chemicals, and new chemicals constantly appear on the market for a broad range of products ranging from pharmaceuticals to personal care products, disinfection byproducts, pesticides, microplastics, persistent organics, and industrial chemicals. Many of these chemicals end up polluting aquatic environments and impacting their ecosystems. Biological surveys can identify the condition of an ecosystem, but it is difficult to determine what contaminant or other factors are the major causes of environmental stress. A broad range of approaches can be used to develop a strong body of evidence to identify the priority contaminants causing environmental harm. These include robust approaches to detect and measure chemicals, ecotoxicological tests of waters and sediments, ecological surveys, and assessment of key bioindicator species using biomarkers. We welcome papers that illustrate ways that priority contaminants impacting aquatic ecosystems can be identified and how such pollution can be successfully prevented. This pollution prevention can occur through regulation, education, working with the polluters to improve practises or through online treatment of runoff.

Prof. Dr. Vincent Pettigrove
Guest Editor

Manuscript Submission Information

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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. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

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Keywords

  • multiple lines of evidence
  • pollution reduction
  • pollution sourcing
  • biomarkers

Published Papers (2 papers)

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Research

12 pages, 1879 KiB  
Article
Impact of Industrial Production, Dam Construction, and Agriculture on the Z-IBI in River Ecosystems: A Case Study of the Wanan River Basin in China
by Na Yao, Bing Feng, Meng Zhang, Liang He, Huan Zhang and Zugen Liu
Water 2021, 13(2), 123; https://0-doi-org.brum.beds.ac.uk/10.3390/w13020123 - 07 Jan 2021
Cited by 9 | Viewed by 2532
Abstract
Industrial activity, dam construction, and agriculture—while important for socioeconomic progress—can severely damage the natural environment. To evaluate the effects of these human activities on the bio-integrity of riverine ecosystems, we examined the Wanan reach of the Ganjiang River (Wanan River basin), which contains [...] Read more.
Industrial activity, dam construction, and agriculture—while important for socioeconomic progress—can severely damage the natural environment. To evaluate the effects of these human activities on the bio-integrity of riverine ecosystems, we examined the Wanan reach of the Ganjiang River (Wanan River basin), which contains the river’s largest reservoir. On the basis of 20 attributes of zooplankton, we constructed a zooplankton index of bio-integrity (Z-IBI) evaluation system using range analysis, discriminant analysis, and correlation analysis. Our research found that these anthropogenic activities can greatly change the composition and number of zooplankton community. The overall health status of this catchment was classified as “good”, and the eco-health situation of the reference, industrial, dam-controlled and agricultural sites were deemed “healthy”, “fair”, “good”, and “fair”, respectively. Our results suggested that the three activities adversely affected the integrity of local aquatic ecosystems. Agriculture was the activity most detrimental to the zooplankton community, followed by industrial production and dam construction. Therefore, we demonstrated that the Z-IBI evaluation system can be applied to reservoir–riverine ecosystems. We also provide guidance on the ecological protection, assessment, monitoring and of reservoir–riverine ecosystems and suggest that additional Z-IBI evaluation approaches be further developed in the future. Full article
(This article belongs to the Special Issue Advances in Aquatic Pollution Assessment and Management)
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13 pages, 1371 KiB  
Article
Nitrogen and Phosphorus Concentration Thresholds toward Establishing Water Quality Criteria for Pennsylvania, USA
by John W. Clune, J. Kent Crawford and Elizabeth W. Boyer
Water 2020, 12(12), 3550; https://0-doi-org.brum.beds.ac.uk/10.3390/w12123550 - 17 Dec 2020
Cited by 6 | Viewed by 3580
Abstract
Nutrient enrichment is currently a leading cause of impairment to streams in Pennsylvania. Evaluating the water quality condition and eutrophic status of streams and rivers is a challenge without established thresholds for nutrient concentrations, which can vary depending on climate and landscape characteristics. [...] Read more.
Nutrient enrichment is currently a leading cause of impairment to streams in Pennsylvania. Evaluating the water quality condition and eutrophic status of streams and rivers is a challenge without established thresholds for nutrient concentrations, which can vary depending on climate and landscape characteristics. The US Environmental Protection Agency (USEPA) has published nutrient criteria for nutrient ecoregions nationwide that are used as regional baseline values; and has encouraged states to develop more refined values if better data are available. In this study, we quantified long-term nutrient concentrations observed in streams and rivers across Pennsylvania using a robust water quality dataset compiled from monitoring data collected over the past two decades (2000–2019) by multiple agencies. We estimated nutrient criteria concentration thresholds for each ecoregion using USEPA’s percentile approach. The 25th percentile median concentrations observed in streams and rivers ranged from 0.27 to 2.30 mg/L for total nitrogen (TN), and from 0.010 to 0.053 mg/L for total phosphorus (TP). The percent of sites with available data that exceeded the 25th percentile was 53% for TN and 60% for TP, reflecting longstanding problems with nutrient pollution of rivers and streams in Pennsylvania. The 25th percentile may overestimate background condition levels, as nutrient conditions vary substantially within and among ecoregions. We compared our contemporary concentrations at the threshold values to other published recommended criteria for the region and explored the influence of landscape heterogeneity and seasonality on nutrient concentrations. The spatial and temporal variability of nutrient conditions emphasizes the importance of using percentile analysis as only a guide toward more robust response-based methods, rather than as a method for setting nutrient criteria in Pennsylvania. Our results provide environmental managers with new insights regarding the status of nutrient conditions in streams and rivers across Pennsylvania ecoregions toward further developing numeric nutrient criteria. Full article
(This article belongs to the Special Issue Advances in Aquatic Pollution Assessment and Management)
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