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  • 한국과학기술정보연구원(KISTI) 서울분원 대회의실(별관 3층)
  • 2024년 07월 03일(수) 13:30
 

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  • ENGLISH
  • P-ISSN2287-8327
  • E-ISSN2288-1220
  • SCOPUS, KCI

Presence of benthic dinoflagellates around coastal waters of Jeju Island including newly recorded species

Journal of Ecology and Environment / Journal of Ecology and Environment, (P)2287-8327; (E)2288-1220
2013, v.36 no.4, pp.347-370
https://doi.org/10.5141/ecoenv.2013.347
Md. Mahfuzur Rahman Shah (Jeju Sea Grant Center, Jeju National University)
이준백 (제주대학교)
안소정 (제주대학교)

Abstract

A study on the presence of benthic dinoflagellates in the intertidal zone along the coasts of Jeju Island, Korea was conducted during 2011 and 2012. Identification and taxonomic observations were made of the benthic dinoflagellate samples using light and epifluorescence microscopy. Thirty-seven dinoflagellate taxa belong to five orders, nine families, 18genera and 30 species, which are new records for Korean waters, were detected in this study. The detailed nomenclature,references, distribution, and illustrations are presented here. The commonly occurring genera were Amphidinium, Coolia,Ostreopsis, Prorocentrum, and Thecadinium. Among the recorded species, 26 were found only in sand sediment,seven in macroalgal samples, and four were found in both sand and macroalgal samples. Of the 37 species, nine were potentially toxic. These results suggest that diversified benthic dinoflagellates including several potentially toxic species occur in sand sediment and macroalgae in the intertidal zone along the coasts of Jeju Island. The morphological features of the identified species were more or less similar to observations made by previous studies in Korea and elsewhere. The presence of known toxic species may indicate a potential risk of toxicity in the marine ecosystem of Jeju Island. The present study can be helpful for further detailed taxonomic, toxicological, molecular phylogenetic studies and may help in the management and conservation of Jeju Island’s marine ecosystem.

keywords
benthic dinoflagellates, intertidal zone, Jeju Island, new record, potentially toxic

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