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Nominations for council elections at ICHA18


Nominations of candidates for ISSHA executive and council elections at ICHA17 are invited by June 15 2018.


IOC Qualifications in identification and enumeration of harmful microalgae


Now open for application

Deadline 1 april 2018.

More information here.


Harmful Algae News 25 years


Anniversary Special Issue: HAN 59 now online @


ICHA 17 Proceedings are now available online


The Proceedings of the 17 International Conference on Harmful Algae, Florianopolis, Brazil, Oct 2016 are now published online and available on the ISSHA website at ICHA Conference Proceedings


HAB: unifying insights from lab experiments, field monitoring and modeling


International workshop, November 28 - December 1, 2017

Delmemhorst and Wilhemshaven

Few places still available

Here for more information


HAN 58


The new issue of Harmful Algae News is now available here:


3 PhD positions open for applications


are currently advertised in Job ads.


Free online course remote sensing harmful algal blooms


In september 2017.

More information here.


New book on Mexican HABs


García-Mendoza et al. 2016: Florecimientos Algales Nocivos en Mexico.


Ted Smayda in memoriam


Ted Smayda passed away on April 5, 2017


HAN 56


The new issue of Harmful Algae News is now available here:


HAN 55


The new issue of Harmful Algae News is now available here:


Book release


Toxic and Harmful Microalgae of the World Oceanby Lassus et al. - joint ISSHA/UNESCO publication that takes stock of harmful algae blooms and efforts to mitigate them


ICHA17 Proceedings


ICHA17 presenters can submit their papers for inclusion in the Proceedings of the International Society for the Study of Harmful Algae before March 1 2017.


ICHA19 in Mexico


The 19th International Conference on Harmful Algae 2020 will be held in Los Cabos, Mexico.


Election results 2016


New ISSHA council members were elected.


Free ISSHA Membership for ICHA 17 Participants


ICHA 17 participants with non-member registration are granted 2 years complementary ISSHA membership and can vote.


ISSHA council election open


The election for the ISSHA council is now open. ISSHA members can vote here.


Poll for ICHA19 venue open


ISSHA members can now vote for their favorite bid here.


ISSHA Council Election


The list of nominees for the ISSHA council is available here.


Two bids for the 19th ICHA


ISSHA council has received two bids to host the 19th ICHA conference.


Latest News on the 17th ICHA


From the ISSHA president Vera Trainer.

application/pdf HAN54 (165 kB)


New harmful algae book


A new book on Harmful algae is available.


ISSHA travel awardees 2016


The travel award committee has selected 27 students from 13 countries to be supported by ISSHA, SCOR and NOAA funds. Congratulations!


ICHA17 : Extended deadline for abstract submission


The deadline was extended to the 30th of June 2016.



Nominations for ISSHA executive and council


Nominations of candidates for ISSHA executive and council elections at ICHA17 are invited by June 15.


ICHA 17 October 9-14 2016 in Florianopolis, Brazil


Registration is now open at . ISSHA members can register at special rates!


First donated item for ISSHA auction at ICHA17


We have now received the first item to be donated for the ISSHA auction.


Donations for the ISSHA Auction 2016


ISSHA auctions during past International Conferences on Harmful Algae have been a tremendous success and are becoming a tradition!! It is an opportunity for the conference participants to bid on donated items.


Nominations for the 2016 Yasumoto Lifetime Achievement Award and the Patrick Gentien Young Scientist Award


ISSHA members are invited to submit nominations for the Yasumoto Lifetime Achievement Award and the Patrick Gentien Young Scientist Award. Further information on the appropriate profile of the nominees can be found at (click on "Awards").


ISSHA travel awards for ICHA 17


Applications for the ISSHA Travel Awards to attend the 17th International Conference on Harmful Algae are now open!


Training course in Kuweit


A phytoplankton training course focussing on taxonomy and ecology of marine dinoflagellates, 22 May - 2 June 2016 is organized at KISR, Kuweit


IOC Training Course


The IOC Training Course on Harmful Marine Microalgae 2016 will be held 7-17 August at the IOC Training Centre in Copenhagen, Denmark. Deadline for applications: 1 April 2016.


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.


EMBO Symposium "A New Age of Discovery for Aquatic Microeukaryotes" January 26-29, 2016


Upcoming EMBO Symposium on aquatic protist ecology and evolution in Heidelberg, Germany from 26–29 January 2016


Check out Job Ads and Workshop & Courses


New PhD student positions and a new workshop announced! Check out ISSHA's Job Ad and Workshop & Courses sites. These sections are regularly updated.


HABs and Climate Change


The scientific symposium on Harmful Algal Blooms and Climate Change will take place from May 19 - 22 in Göteborg, Sweden. Register now! Abstract submission until April 10.


Global HAB status report


ISSHA supports the development of a 'Global HAB Status Report' by the IOC Intergovernmental Panel on HABs (IOC-IPHAB).




ISSHA funding for international courses and workshops


Upcoming events 2015


Details of this years HAB related conferences, symposia, meetings and courses now under Events. Check the calendar!


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.


ISSHA achievement awards 2014


Yasumoto Lifetime Achievement Award to Prof. Gustaaf Hallegraeff, Maureen Keller awards to Amanda Neilen, Andreas Seger, Wittaya Tawong and Sara Harðardóttir & Marina Pančić.


Submissions to ICHA16 Proceedings


Conference papers from ICHA16 in Wellington, NZ, can be submitted to ICHA16 Proceedings until 9 January 2015


ISSHA is now on facebook


You can now follow ISSHA on facebook.


Poll for Council and 18th ICHA venue


The poll opens for election of ISSHA Council Members and of the 18th ICHA venue at 00.01 European Time on October 15th. To vote proceed to the candidates and then election ballot. You will need to log in to be able to vote.


Nominations for ISSHA Council


It is now time to suggest candidates for the new ISSHA council. Both the President Beatriz Reguera and the Secretary Karin Rengefors will complete their mandates of two terms and thus need to be replaced.


HAB session at ASLO 2015


For the ALSO 2015 meeting in Granada, Spain, a session is organized on:
The impact of global change on toxic phytoplankton’ . Deadline for submitting abstracts is on October 6.


ISSHA Travel Awards 2014_1


List of Travel Awardees for the 16th ICHA


New book on Marine Benthic Dinoflagellates


A new book on Marine Benthic Dinoflagellates has just been published


International Field School on Algal Blooms, for PhD students


An International Field School on Algal Blooms held August 12-22 in Abisko, Sweden, 2014.


Int. PhD Course: Harmful algae, toxins and fish kills, June 11-17 2014


International PhD course on Harmful algae, toxins and fish kills, June 11 - 17, 2014, University of Copenhagen, Denmark. Apply by April 25th.


ICHA 15 Proceedings on-line


The first papers of the ICHA 15 Proceedings are now available on-line. Check them out here.


ICHA 14 Proceedings on-line


The 14th International Conference on Harmful Algae was held in Hersonissos, Crete, 1-5 November 2010. Proceedings of submitted manuscripts, edited by Drs K. Pagou and G. Hallegraeff, are finally published and for the first time in digital form through the ISSHA and IOC UNESCO website. The objective of ISSHA is to publish future proceedings in a quicker and freely available way for the HAB community. Link to Proceedings here.


New ISSHA Council


ISSHA members have now elected the new ISSHA Council. Please see the list of new officers and council members on the Society page in the Council folder.


Assembly Documents Posted


Assembly agenda and draft for Statutes modification are now available on the Society/Council page. Click here.


NEW! 14 ICHA Proceedings


See the new proceedings of the 14 ICHA Conference (Pagou and Hallegraeff eds.)




The 15 ICHA (Korea, Changwon) will be held in 4 weeks. Now is the time to confirm your donation to the ISSHA Auction 2012


Nominations for ISSHA Council


Remember to nominate members to serve on the ISSHA Council. We need committed members with innovative ideas, a willingness to serve the Society. Please nominate candidates by July 15th using the on-line nomination form. See instructions.


ICHA15 Abstract Deadline


Note that the deadline for Abstract Submission to the ICHA 2012 Conference in Korea this fall (October 28-November 2) is on JUNE 15th. The early-bird registration deadline is on JUNE 30th. See


Award nominations


Dear members, please remember to send nominations for the Yasumoto Lifetime Achievement Award and the Patrick Gentien Young Scientist Award by May 15th 2012. For more information regarding the awards and the nomination procedure see Awards.





The course includes a field excursion, training in species identification, lectures in red algal systematics and ecology. Time: 11–15 juni 2012, Place of venue: Falun, Dalarna University, Sweden,


GEOHAB’s Workshop


Open Science Meeting on the Progress in Interpreting Life History and Growth Dynamics of Harmful Algal Blooms in Fjords and Coastal Environments. Held at University of Victoria (Canada) on 29, 30 and 31 May 2012. Registration deadline: 31 March 2012.


Microarray Workshop in Naples, Italy


EU FP7 MIDTAL (Microarrays for the Detection of Toxic Algae) workshop in Naples, Italy at the Stazione Zoologica Anton Dohrn from April 16-17, 2012 in the use of microarrays for the detection of toxic algae and the toxins they produce. Application deadline February 15, 2012.


Hans Paerl awarded lifetime achievement


Hans Paerl, professor at the University of North Carolina at Chapel Hill’s Institute of Marine Sciences in Morehead City, USA, is the 2011 winner of the Odum Award for Lifetime Achievement.


Professor Edna Granéli is awarded the prize as an outstanding researcher


Edna Graneli, professor of Aquatic Ecology, is recognized by the Linnaeus University as an Outstanding Researcher.


Pat Glibert appointed Honorary Doctor at Linneaus University


Professor Patricia Glibert, University of Maryland, is appointed to Honorary Doctor at Linnaeus University


The ICHA15 (Korea, 2012) website is now open!


The 15th ICHA 2012 Korea will be held at the Changwon Exbihition and Convention Center (CECO),Gyeongnam, Korea on Oct.29 - Nov.2, 2012. The website is open and provides information about the 15th ICHA meeting from now on.


16th ICHA in New Zealand


The 16th International Conference on Harmful Algae 2014 will be held in Wellington, New Zealand.


Proceedings of the 14th ICHA Conference


Harmful Algae 2008, the proceedings from the 13th ICHA Conference are now ready


Venue for the 16th ICHA Conference


Bids from Mexico, New Zealand and Turkey are presented at the Events/Conferences folder. Now you have the opportunity to vote on line.


Check out Job Ads!


Two new PhD student positions announced! Check out ISSHA's Job Ad site.


Bids to host 16th ICHA


We have received bids from three countries to host the 16th ICHA Conference


Items for the 2010 ISSHA Auction


Pictures of the donations for the 2010 ISSHA Auction now available at the website.


ISSHA Membership Registration


A handful members (both former and new) have experienced problems to proceed to payment after registering, since they have not received the e-mail with the link to PayPal. This is not due to failure in our system, but is either caused by Spam-filters and firewalls at some institutions or by the fact that the member has changed her/his e-mail address since joining ISSHA. If you do not receive the confirmation within 24 hrs, do not try to log in again, instead send an e-mail to Karin Rengefors (Secretary) or Nina Lundholm (Treasurer) and we will assist you.


Deadline 14th ICHA registration


Please note that he deadline for submission of abstracts is on July 18th 2010, and early-bird registration deadline is on the 25th July 2010. ICHA14 website.


14th ICHA Travel Awards


Delay in the resolution of Travel Awards to attend the 14 ICHA


Important: Payment of dues


Some people have experienced problems when trying to pay their membership dues. When you press "Buy now" and get transferred to the PayPal system go ahead and press "continue" on the left above the card's logo. Do not go to the square on the right asking for your email and password.

Also note that PayPal unfortunately does not accept payments from all countries. In that case, please contact the treasurer, Dr Nina Lundholm for further instructions.

Best regards,

Karin Rengefors


Sad news about Patrick Gentien


We are sad to communicate that Patrick Gentien (IFREMER-Brest, France) passed away on Sunday 9 May


New HAN issue just released


Issue 41 of Harmful Algae News has just been released. Go to the Harmful Algae News page to download it!

Or, download the PDF version here (12 MB).


Nominations for Awards 2010


Deadline for nominations for the Yasumoto Lifetime Achievement and Young Scientist, on 14 May,is approaching. Go to Awards & Nominations under Awards on the left column for the procedure.


Make a Donation to ISSHA


You can now make a donation to ISSHA directly on-line! Go to the Web shop and scroll down to the products called ISSHA donations. Proceed as if buying a physical product.


Membership renewal


Forgotten how to renew your membership?


Check out Job Ads!


Students! Check out the job ads section.


Check events calendar!


Check the events calendar below the "Welcome to ISSHA" tab. We are continuosly adding information about courses, workshops, and conferences.


Membership Renewals for 2010 & 2011


Members who paid their membership at the beginning of 2008 or at the 13 ICHA conference in Hong Kong in 2008, paid for the 2008 & 2009 fee. Those of you are therefore invited to renew your membership for 2010 & 2011 now.


Takeshi Yasumoto, Doctor Honoris Causa of the University of Vigo


Prof. Takeshi Yasumoto was invested Doctor Honoris Causa at the University of Vigo on 28 January 2010, the day of Saint Thomas Aquinas, patron of students and universities.


New website launched!


On February 2, 2010, we launched the new ISSHA website. Many members have already been able to register and pay their fees easily while some have encountered problems. We have resolved these problems now so please try again. For any questions regarding memberships and payment contact Nina Lundholm (Treasurer) and for web page issues Karin Rengefors (Secretary).



Nominations for council elections at ICHA18


Nominations of candidates for ISSHA executive and council elections at ICHA17 are invited by June 15 2018.

IOC Qualifications in identification and enumeration of harmful microalgae


Now open for application

Deadline 1 april 2018.

More information here.

Harmful Algae News 25 years


Anniversary Special Issue: HAN 59 now online @

Two HAB sessions at ASLO 2018 summer meeting


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