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Welcome to ISSHA

International Society for the Study of Harmful Algae


ICHA 17 Brazil is coming. Visit the conference web site at


17 ICHA is coming, visit the web page at



The ISSHA website is constructed with the idea of providing an interactive platform to promote research, dissemination and communication on Harmful Algae issues.

ISSHA is the International Society for the Study of Harmful Algae. Read more on About us and check out our facebook site.

The site has an events calendar for upcoming conferences, job ads, and links to Harmful Algal Bloom (HAB) websites that will be of interest to the international community of HAB researchers, managers and to the news media.

Members may access a Membership List, a Members' Discussion Forum, and a Members' Upload Page to upload articles, thesis abstracts, reports, documents, obituaries, and/or information on how to get them. After logging in, these are available via the SOCIETY navigation button.

- The ISSHA Council



Photos in heading: Aphanizomen klebahnii (by G. Cronberg), Gonyostomum semen (by R. I. Figueroa), Dinophysis caudata (by L. Escalera), Chaetoceros convolutus (by D. Cassis), Anabaena lemmermannii (by G. Cronberg), Akashiwo sanguinea (by D. Cassis).

The ISSHA website was developed with partial financial support of the ‘IOC Science and Communication Centre on Harmful Algae’ at the University of Copenhagen


Triste nouvelle


Dr. Yves Collos, head of the Harmful Algal Blooms and Diversity group at CNRS, Montpellier, France passed away on October 25 2015.

ICHA16 Proceedings


The Proceedings of ICHA16 Wellington, NZ, 2014 are now published online.

New ISSHA logo


ISSHA Council presents new society logo

Prof. Y. Halim In Memoriam


We are sad to communicate that Prof. Youssef Halim (1925-2015) passed away on 18 May 2015 in Alexandria, Egypt.

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