Abundance of epiphytic dinoflagellates from coastal waters off Jeju Island, Korea During Autumn 2009
The occurrence of harmful epiphytic dinoflagellates is of concern to scientists, the aquaculture industry, and government due to their toxicity not only to marine organisms but also to humans. There have been no studies on the abundance of the epiphytic dinoflagellates in Korean waters. We explored...
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Veröffentlicht in: | Ocean science journal 2011, 46(3), , pp.205-209 |
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Sprache: | eng |
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Zusammenfassung: | The occurrence of harmful epiphytic dinoflagellates is of concern to scientists, the aquaculture industry, and government due to their toxicity not only to marine organisms but also to humans. There have been no studies on the abundance of the epiphytic dinoflagellates in Korean waters. We explored the presence of epiphytic dinoflagellates in the coastal waters off Jeju Island, southwestern Korea. Furthermore, we measured the abundance of epiphytic dinoflagellates on the thalli of 24 different macroalgae, collected from five different locations in October 2009. Five epiphytic dinoflagellate genera
Amphidinium, Coolia, Gambierdiscus, Ostreopsis
, and
Prorocentrum
were found. These five genera were observed on the thalli of the macroalgae
Chordaria flagelliformis, Martensia
sp.,
Padina arborescens
, and
Sargassum
sp., while none were observed exceptionally on
Codium fragile
. The abundance of
Ostreopsis
spp. was highest on
Derbesia
sp. (8,660 cells/g wet weight), while that of
Gambierdiscus
spp. was highest on
Martensia
sp. (4,870 cells/g-ww). The maximum abundances of
Amphidinium
spp.,
Coolia
spp., and
Prorocentrum
spp. were 410, 710, and 300 cells/g-ww, respectively. The maximum abundance of
Coolia
spp.,
Gambierdiscus
spp., and
Ostreopsis
spp. obtained in the present study was lower than for other locations reported in literature. The results of the present study suggest that the presence and abundance of epiphytic dinoflagellates may be related to the macroalgal species of the coastal waters of Jeju Island. |
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ISSN: | 1738-5261 2005-7172 |
DOI: | 10.1007/s12601-011-0016-9 |