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J. Mar. Sci. Eng. 2016, 4(3), 60; doi:10.3390/jmse4030060

Golden Tides: Problem or Golden Opportunity? The Valorisation of Sargassum from Beach Inundations

Algae Biotechnology Research Group, School of Science, University of Greenwich, Central Avenue, Chatham Maritime, Kent ME4 4TB, UK
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Academic Editor: Magnus Wahlberg
Received: 12 August 2016 / Revised: 1 September 2016 / Accepted: 7 September 2016 / Published: 13 September 2016
(This article belongs to the Special Issue Algal Biofuels)
View Full-Text   |   Download PDF [289 KB, uploaded 13 September 2016]

Abstract

In recent years there have been massive inundations of pelagic Sargassum, known as golden tides, on the beaches of the Caribbean, Gulf of Mexico, and West Africa, causing considerable damage to the local economy and environment. Commercial exploration of this biomass for food, fuel, and pharmaceutical products could fund clean-up and offset the economic impact of these golden tides. This paper reviews the potential uses and obstacles for exploitation of pelagic Sargassum. Although Sargassum has considerable potential as a source of biochemicals, feed, food, fertiliser, and fuel, variable and undefined composition together with the possible presence of marine pollutants may make golden tides unsuitable for food, nutraceuticals, and pharmaceuticals and limit their use in feed and fertilisers. Discontinuous and unreliable supply of Sargassum also presents considerable challenges. Low-cost methods of preservation such as solar drying and ensiling may address the problem of discontinuity. The use of processes that can handle a variety of biological and waste feedstocks in addition to Sargassum is a solution to unreliable supply, and anaerobic digestion for the production of biogas is one such process. More research is needed to characterise golden tides and identify and develop commercial products and processes. View Full-Text
Keywords: Sargassum; Phaeophyceae; beach-cast; seaweed; macroalgae; golden tide Sargassum; Phaeophyceae; beach-cast; seaweed; macroalgae; golden tide
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Milledge, J.J.; Harvey, P.J. Golden Tides: Problem or Golden Opportunity? The Valorisation of Sargassum from Beach Inundations. J. Mar. Sci. Eng. 2016, 4, 60.

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