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Botanica Marina

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Volume 62, Issue 5


Seaweed resources of Brazil: what has changed in 20 years?

Carmen Simioni
  • Corresponding author
  • Federal University of Santa Catarina, Department of Cellular Biology, Embryology and Genetics, Florianópolis, 88040-900, Brazil
  • Email
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Leila Hayashi
  • Federal University of Santa Catarina, Department of Aquaculture, Florianópolis, 88034-001, Brazil
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Mariana C. Oliveira
Published Online: 2019-08-06 | DOI: https://doi.org/10.1515/bot-2019-0021


In 1998 Critchley and Ohno published the book Seaweed resources of the world presenting a synthesis of knowledge on the subject from different regions and countries globally. One chapter by E.C. Oliveira was focused on Brazil. In this article, we present an update of the economically relevant species of Brazilian seaweeds, and their distribution along the coastline, and what has changed over 20 years in the status of the exploited resources, the new species with commercial potential, and relevant legislation. The only introduced commercial species, Kappaphycus alvarezii, was economically exploited for a while in Rio de Janeiro State, but nowadays there are no commercial activities on a large scale. Gracilaria farms in the northeast are still on an artisanal scale, but the expansion of activity is compromised by legal and bureaucratic barriers. Regulations related to the exploitation of natural beds and to the introduction of new strains of K. alvarezii were created between 2006 and 2008. At the end of this article, we present a reflection of what lessons have been learned and what are the prospects for seaweed cultivation in Brazil.

Keywords: Brazilian seaweed flora; calcareous seaweed; mariculture; phycocolloids; regulation


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About the article

Carmen Simioni

Carmen Simioni is a postdoctoral researcher in the Cell Biology and Development Program, Federal University of Santa Catarina. She graduated in Biological Sciences, has a Master’s in Biology of Fungi, Algae and Plants and holds a PhD in Cell Biology and Development by the Federal University of Santa Catarina. Her main interest is in the area of morphology, with an emphasis on cell biology and spore culture of the seaweed.

Leila Hayashi

Leila Hayashi is Professor at Aquaculture Department, Federal University of Santa Catarina (UFSC). Her main interests are in seaweed productive cycle, from cultivation to processing, and development of new technologies associated to aquaculture. She is a member of the steering committee of International Society for Applied Phycology and a member of International Seaweed Association and Brazilian Society of Aquaculture and Aquatic Biology. Currently, she is the head of Graduate Program in Aquaculture in the UFSC.

Mariana C. Oliveira

Mariana C. Oliveira is a Professor at the University of São Paulo, Brazil. She is interested in the origin, evolution, diversity, and distribution of different groups of algae. She was on the Editorial Board of Journal of Phycology, International Vice-President of the Phycological Society of America, Associate Editor of Phycologia, on the botany committee of CNPq and on the coordination committee of the Biota-FAPESP Program. Presently, she is part of Area Coordination for the Biosciences of FAPESP.

Received: 2019-03-31

Accepted: 2019-07-10

Published Online: 2019-08-06

Published in Print: 2019-09-25

Citation Information: Botanica Marina, Volume 62, Issue 5, Pages 433–441, ISSN (Online) 1437-4323, ISSN (Print) 0006-8055, DOI: https://doi.org/10.1515/bot-2019-0021.

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