Water Quality Analysis and Phytoplankton Communities in Rivers and Lakes

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 September 2022) | Viewed by 1929

Special Issue Editors


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Guest Editor
Department of Microbiology and Immunobiology, Kazimierz Wielki University in Bydgoszcz, Bydgoszcz, Poland
Interests: freshwater phytoplankton; phytobenthos; floodplain lakes; rivers and lakes; water bloom; diatoms; Chlorococcales; Volvocales

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Guest Editor
Department of Water Protection, Faculty of Biology, Adam Mickiewicz University in Poznań, Poznań, Poland
Interests: aquatic ecosystems; cyanobacterial blooms; biomonitoring; environmental science; phytoplankton; phytozooplankton relationships; lake restoration; water quality
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Special Issue Information

Dear Colleagues, 

Phytoplankton is one of the most important groups of aquatic organisms. Its basic functions are related to the use of available mineral and often organic compounds and their incorporation into the biological cycle. Excessive development of phytoplankton, a high share of toxin-producing species, and unfavorable changes in the community structure are the first sign of the deteriorating ecological condition of the ecosystem. Thus, a phytoplankton-based water quality assessment may be the quickest signal for any unfavorable changes. Thanks to a holistic approach to phytoplankton research in lakes and rivers, it is possible to identify a number of problems related to eutrophication, both natural and resulting from the negative impact of human activity, detrimental water and sewage management, the influence of alien species of algae, plants and animals on ecosystems, and global and regional climate warming.

The purpose of this Special Issue is to present review papers, original research papers, and short notes on the following topics: phytoplankton monitoring, phytoplankton quality assessment of aquatic ecosystems, bioindicators and phytoplankton biodiversity, the impact of biological invasions on phytoplankton, and alternative regimes in shallow lakes. Research on the impact of restoration of lakes and reservoirs will also be valuable.

Prof. Dr. Ewa Anna Dembowska
Prof. Dr. Anna Kozak
Guest Editors

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Keywords

  • monitoring of phytoplankton
  • aquatic ecosystem assessment based on algae
  • aquatic ecosystem management
  • alien species and its influence on phytoplankton
  • lake restoration
  • phytoplankton indicators
  • influence of climate changes on phytoplankton
  • lake degradation/recovery
  • harmful algal blooms
  • ecological status assessment

Published Papers (1 paper)

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Research

13 pages, 1592 KiB  
Article
Equation Chapter 1 Section 1 Techno-Economic Analysis for the Selection of Cost-Effective Treatment for Algae Removal in Drinking Water Treatment Plants
by Mingmeng Liu, Lili Li, Muhammad Mubashar, Xuhui Su, Yangchun Liang, Haiyang Zhang and Xuezhi Zhang
Water 2023, 15(2), 243; https://doi.org/10.3390/w15020243 - 5 Jan 2023
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Abstract
In this study, the responses of Dissolved Air Flotation (DAF), sedimentation, and sand filtration treatment processes on feed water with varied algal concentrations were investigated, based on a technical–economic analysis using data collected from a drinking water treatment plant (DWTP) in Guangxi, China. [...] Read more.
In this study, the responses of Dissolved Air Flotation (DAF), sedimentation, and sand filtration treatment processes on feed water with varied algal concentrations were investigated, based on a technical–economic analysis using data collected from a drinking water treatment plant (DWTP) in Guangxi, China. Cost-effective drinking water treatment processes for water sources with varied algae concentrations were proposed. The results showed that DAF was able to achieve almost 95% removal efficiency, while sedimentation was only able to reach 90% under different Polyaluminum Chloride (PACl)/dry cell weight concentrations in the DWTP. When algae concentrations increase, switching from sedimentation to DAF reduces treatment costs as DAF is more efficient for algae removal, which extends the backwashing interval of sand filtration. The threshold of sedimentation/DAF switching also depends on the quality requirement of the treated water. The lower the algae concentration in the treated water, the earlier the switch should be made from sedimentation to DAF. For instance, when the effluent thresholds are 1.2 mg·L−1, 0.8 mg·L−1, or 0.4 mg·L−1, DAF should be adopted instead of sedimentation—at feed algae concentrations of 43.9 mg·L−1, 31.5 mg·L−1, and 17.3 mg·L−1, respectively, in the raw water. The results set a baseline for a cost-effective drinking water treatment strategy based on a techno-economic model, which can precisely control the coagulation dosage and backwash interval of sand filtration coupled with sedimentation/DAF switching in algae-laden raw water. Full article
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