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Welcome to ISSHA

International Society for the Study of Harmful Algae


Bloom forming mat of Ostreopsis ovata on a macroalgal turf dominated by Jania spp. ​(Cala San Basilio​, Gulf of Naples, Italy​). Winner of the ICHA16 photo competition, by Davide Di Cioccio, Stazione Zoologica Napoli.


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


ICHA16 Proceedings - new deadline


The new deadline for manuscripts for the Proceedings of ICHA 16 is the 1st March 2015. There will not be any further extension of the deadline.

ICHA15 Proceedings now online


The Proceedings of ICHA15 held in Changwon, Korea, 29.10. - 2.11. 2012, are now published and available online.

18th ICHA venue


The18th ICHA will be held in Nantes (France).

Election results 2014


New ISSHA council executives and members elected.

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