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Workshop 6 (MEQ Topic)
Review of selected harmful algae in the PICES Region: V. Cyst forming HAB species

Co-Convenors: Changkyu Lee (Korea) and Charles Trick (Canada)

Analogous to the seeds of terrestrial plants, phytoplankton cysts are the hardy resting forms that allow phytoplankton (usually flagellates) to survive during extreme environmental conditions. These cysts fall out of the water column into sediments often after large blooms, thereby forming seed beds. Characterization of the distribution of seed beds in coastal waters can assist with forecasting the intensity of HAB events. However, proper identification is often difficult as many cysts can look alike. This workshop will focus on new methods for identification of cysts as well as findings on their ecology and physiology. Presentations are encouraged on known distributions of cysts in coastal waters (cyst mapping), and studies on their ecophysiology.

October 24, 2009

Kazumi Matsuoka (Invited)
Modern dinoflagellate cyst study (W6-5776)


Ruixiang Li, Jun Pan, Yan Li and Ping Sun
Distribution of dinoflagellate cysts in surface sediments in the Yellow Sea in autumn (W6-5694)
(pdf, 1.4 Mb)


Tatiana V. Morozova and Tatiana Yu. Orlova
Resting stages of HAB species in recent marine sediments from Peter the Great Bay, Sea of Japan (East Sea) (W6-5531)
(pdf, 0.8 Mb)


Hyeon Ho Shin, Yang Ho Yoon and Kazumi Matsuoka
Dinoflagellate cyst assemblages as an indicator of changed nutrient levels in Korean and Japanese coastal areas (W6-5737)
(pdf, 1.4 Mb)


Donald M. Anderson, B.A. Keafer, K. Norton, D.J. McGillicuddy, R. He, C.H. Pilskaln,
D. Couture and J. Martin

Toxic blooms of Alexandrium fundyense in the Gulf of Maine: The role of cysts in population dynamics and long-term patterns of shellfish toxicity (W6-5892)


Ichiro Imai, Shigeru Itakura and Mineo Yamaguchi
Cyst dynamics and occurrences of red tides of Heterosigma akashiwo and Chattonella spp. in temperate coastal waters (W6-5781)
(pdf, 1 Mb)


Ken-ichiro Ishii, Mitsunori Iwataki, Kazumi Matsuoka and Ichiro Imai
Species identification of resting spores of Chaetoceros (Bacillariophyceae) (W6-5786)


Mingyuan Zhu and Zongling Wang
The study on the occurrence of green tide in Yellow Sea in 2009 (HAB-5708)


John K. Keesing, Dongyan Liu, Qianguo Xing, Ping Shi and Peter Fearns
Recurrent large scale macroalgal blooms in the Yellow Sea (HAB-6015)
(pdf, 5.6 Mb)

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