Eutrophication, Aquaculture and Aquatic Ecosystem Restoration

A special issue of Diversity (ISSN 1424-2818).

Deadline for manuscript submissions: 28 February 2025 | Viewed by 662

Special Issue Editors


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Guest Editor
Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200092, China
Interests: aquaculture and water environment; eutrophication and cyanobacterial blooms; ecological engineering

E-Mail Website
Guest Editor
Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
Interests: monitoring and restoration of fishery ecological environment; aquatic product quality and safety; aquaculture and environment

Special Issue Information

Dear Colleagues,

Eutrophication is the process, often caused by runoff from agricultural activities, wastewater discharge, and aquaculture operations, by which water bodies become overly enriched with nutrients, leading to excessive algae growth and oxygen depletion, particularly harmful algal blooms. Aquaculture, while providing food and economic benefits, can affect the process of eutrophication through nutrient release from feed and waste. Implementing sustainable aquaculture practices, such as proper waste management, efficient feeding practices, and site selection based on carrying capacity, can help minimize the environmental impact of aquaculture operations. Ecosystem restoration plays a vital role in mitigating the effects of eutrophication and promoting ecosystem health. Implementing restoration projects that focus on enhancing biodiversity, improving water quality, and restoring habitat can help restore balance to degraded ecosystems affected by eutrophication.

Developing integrated management strategies that consider the interactions between eutrophication, aquaculture, and ecosystem restoration is essential. Additionally, regular monitoring and assessment of water quality, nutrient levels, algal blooms, aquaculture populations, and ecosystem health are essential for understanding the dynamics between eutrophication, aquaculture activities, and ecosystem restoration efforts. Such data can inform decision-making and help track the effectiveness of management actions. By considering these aspects and adopting a holistic approach that integrates eutrophication management, sustainable aquaculture practices, and ecosystem restoration efforts, it is possible to work towards a more balanced and healthy aquatic environment.

We invite you to contribute to our upcoming Special Issue in Diversity on the topic of “Eutrophication, Aquaculture, and Aquatic Ecosystem Restoration”. This Special Issue aims to bring together the latest research on the topic and we welcome submissions from researchers around the world working on eutrophication, aquaculture, and aquatic ecosystem restoration with a focus on their associations to wildlife diversity. Topics covered may include, but are not limited to:

  • The responses of aquatic organisms such as fish, shrimp, shellfish, crabs, aquatic plants, algae, and bacteria to eutrophication;
  • Habitat restoration, such as the creation of artificial reefs, and aquatic ecological engineering restoration;
  • The reintroduction of threatened or endangered species;
  • Biodiversity generated fromsustainable practices;
  • Assessment of the effectiveness of different restoration strategies.

A wide range of disciplines, including biology, ecology, limnology, oceanography, aquaculture, and biological engineering are welcome, and submissions can be in the form of theoretical or applied research, review articles, or case studies.

We look forward to receiving your submissions.

Dr. Xiaodong Wang
Prof. Dr. Shunlong Meng
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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. Diversity is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2100 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • aquaculture
  • aquatic ecological engineering restoration
  • fish

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Published Papers (1 paper)

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Research

14 pages, 12628 KiB  
Article
The Range of the Colonial Microcystis’ Biomass for Shift to Diatom Aggregates Under Aeration Mixing and Low Light
by Xiaodong Wang, Xuan Che, Xingguo Liu, Xinfeng Li, Xiaolong Chen, Yiming Li and Lin Zhu
Diversity 2024, 16(11), 695; https://doi.org/10.3390/d16110695 - 13 Nov 2024
Viewed by 301
Abstract
In order to investigate non-cyanobacteria dominance succession from Microcystis blooms, particularly to diatom dominance, an experiment using varying colonial Microcystis biomasses expressed as bulk concentrations of 2.0, 4.0, 6.0, 8.0, 10.0, 12.0, 14.0, 16.0, 18.0, 20.0, 22.0, and 24.0 mL L−1 was [...] Read more.
In order to investigate non-cyanobacteria dominance succession from Microcystis blooms, particularly to diatom dominance, an experiment using varying colonial Microcystis biomasses expressed as bulk concentrations of 2.0, 4.0, 6.0, 8.0, 10.0, 12.0, 14.0, 16.0, 18.0, 20.0, 22.0, and 24.0 mL L−1 was undertaken under continuous aeration mixing in a greenhouse during a hot summer where shading had reduced light level by 97%. The results showed that the algal shift process was affected by the initial biomass of the colonial Microcystis, and the algal community diversified. When the Microcystis bulk concentration was between 2.0 and 16.0 mL L−1, the bloom became dominated by diatom Nitzschia palea, which aggregated on the mucilage sheathes of the Microcystis colonies. The diatom density at bulk concentration biomass of 2.0 mL L−1 reached a maximum at 2.8 × 105 cells mL−1 on day 27. When the bulk concentration was at 18.0–24.0 mL L−1, no diatom dominance appeared. The shift from a Microcystis bloom to diatom dominance was affected by the initial Microcystis biomass, and the most suitable bulk concentration biomass for colonial Microcystis was at 2–12 mL L−1, in which the chlorophyll-a level was about from 285 to 1714 μg L−1. The mechanism underlying this algal shift may be that the low light and nutrient levels in the Microcystis bloom promoted diatom aggregation growth on the mucilage sheaths of Microcystis colonies under continuous aeration mixing. Full article
(This article belongs to the Special Issue Eutrophication, Aquaculture and Aquatic Ecosystem Restoration)
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