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JMSE
Special Issues
Advance in Red Tide Research
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Advance in Red Tide Research

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312).

Deadline for manuscript submissions: closed (1 March 2015) | Viewed by 18578

Special Issue Editor

Prof. Dr. Ho Kin Chung

E-Mail Website
Guest Editor
Room A0912, Dean’s Office, School of Science and Technology, The Open University of Hong Kong, 30 Good Shepherd Street, Homantin, Kowloon, Hong Kong
Interests: water quality; eutrophication; ecology of marine and freshwater algae; red tides; formation mechanisms of harmful algal blooms (HABs); Beneficial use of micro-algae for production of algal biomass and biofuel

Special Issue Information

Dear Colleagues,

Harmful algal blooms (HABs), commonly known as red tides, have caused adverse impacts to marine environmental systems, ecologies and aquaculture industries. While most of the harmful impacts of HABs are caused by anoxia, a small portion of red tide causative organisms can produce toxins that are relevant to neurotoxic diseases, such as Paralytic Shellfish Poisoning (PSP), Diarrheic Shellfish Poisoning (DSP), and Anoxic Shellfish Poisoning (ASP). In addition to ecological, environmental science, oceanographical, biogeographical, cell biological, genomics, proteomics, and toxicological topics concerning HAB, recent research focuses on the mitigation, remediation, early-warning, forecasting, control and management, and ‘beneficial use’ of red tides. The possible impacts of global climate change on the formation and frequency of HABs have also been enthusiastically studied.

Professor Ho Kin Chung
Guest Editor

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. Journal of Marine Science and Engineering 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 2600 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

  • taxonomy and identification of red tide causative species
  • ecology and formation mechanisms of red tides
  • population dynamics and oceanographic features of red tides
  • biogeography
  • toxins, toxic effects, and ecotoxicology
  • physiology, cell biology, and genetics
  • harmful impacts and public health
  • control and management
  • monitoring and surveillance
  • modelling, early warning, and prediction
  • influence of, and impacts on, global climate change
  • beneficial uses of red tides

Published Papers (2 papers)

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Research

2035 KiB  
Article
Cytotoxic Effects of Vicicitus globosus (Class Dictyochophyceae) and Chattonella marina (Class Raphidophyceae) on Rotifers and Other Microalgae
by Fook Hoe Chang
J. Mar. Sci. Eng. 2015, 3(2), 401-411; https://doi.org/10.3390/jmse3020401 - 02 Jun 2015
Cited by 13 | Viewed by 9169
Abstract
Cultures of Vicicitus globosus (previously Chattonella globosa) and Chattonella marina, established during the 2010 fish kill event in Mahanga Bay, Wellington Harbour, are confirmed to be cytotoxic. The aggregate potency of lipophilic cell extracts of each species were evaluated using three [...] Read more.
Cultures of Vicicitus globosus (previously Chattonella globosa) and Chattonella marina, established during the 2010 fish kill event in Mahanga Bay, Wellington Harbour, are confirmed to be cytotoxic. The aggregate potency of lipophilic cell extracts of each species were evaluated using three species each of flagellates, dinoflagellates and diatoms, and a rotifer as test organisms. The cell extract of V. globosus destroyed cells of all nine microalgae in a matter of a few minutes to less than 15 min, while that of C. marina, destroyed all species over 10 to 30 min. The lipophilic extract of V. globosus caused partial disintegration of both theca wall and cytoplasm of cells of Alexandrium catenella in a matter of minutes. This effect, however, was not observed in cells of A. catenella exposed to that of C. marina. Tests conducted on rotifers showed similar fast-acting trends, with animals exposed to a cell extract of V. globosus died in a much shorter time (Lt50 = 80 min) than those exposed to that of C. marina (20 h). Full article
(This article belongs to the Special Issue Advance in Red Tide Research)
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973 KiB  
Article
Mitigating Fish-Killing Prymnesium parvum Algal Blooms in Aquaculture Ponds with Clay: The Importance of pH and Clay Type
by Andreas Seger, Juan José Dorantes-Aranda, Marius N. Müller, Adam Body, Anton Peristyy, Allen R. Place, Tae Gyu Park and Gustaaf Hallegraeff
J. Mar. Sci. Eng. 2015, 3(2), 154-174; https://doi.org/10.3390/jmse3020154 - 15 Apr 2015
Cited by 20 | Viewed by 8528
Abstract
Clay minerals have previously been used to mitigate algal blooms because of their ability to flocculate algal cells or remove nutrients, but also offer considerable potential to remove ichthyotoxins. When a barramundi farm in tropical Australia suffered substantial fish mortalities due to a [...] Read more.
Clay minerals have previously been used to mitigate algal blooms because of their ability to flocculate algal cells or remove nutrients, but also offer considerable potential to remove ichthyotoxins. When a barramundi farm in tropical Australia suffered substantial fish mortalities due to a bloom of the ichthyotoxic haptophyte Prymnesium parvum, the farm manager decided to manipulate pond water N:P ratios through removal of phosphorus by the addition of lanthanum-modified bentonite clay (Phoslock™) to successfully mitigate ichthyotoxic effects. We conducted Prymnesium culture experiments under a range of N:P ratios, screening 14 different clays (two zeolites, four kaolins, six bentonites and two types of Korean loess) at pH 7 and 9 for cell flocculation and removal of ichthyotoxicity assessed with the RTgill-W1 cell line assay. Application of Phoslock™ to cultures grown at different N:P effectively removed 60%–100% of water-soluble toxicity of live Prymnesium (dependent on nutritional status). While most clays efficiently flocculated Prymnesium cells (≥80% removal), cell removal proved a poor predictor of ichthyotoxin adsorption. Extensive clay screening revealed that at elevated pH, as commonly associated with dense algal blooms, most clays either exacerbated ichthyotoxicity or exhibited significantly reduced toxin adsorption. Interpretation of changes in clay zeta potential at pH 7 and 9 provided valuable insight into clay/ichthyotoxin interactions, yet further research is required to completely understand the adsorption mechanisms. Bentonite-type clays proved best suited for ichthyotoxin removal purposes (100% removal at ecologically relevant pH 9) and offer great potential for on-farm emergency response. Full article
(This article belongs to the Special Issue Advance in Red Tide Research)
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