Vertical and horizontal distributions of ellipsoidal Alexandrium (Dinophyceae) cysts in coastal sediment with special reference to paralytic shellfish poisoning caused by tsunamis - a case study of Osaka Bay (Japan) and the southern coast of the Korean Peninsula
KCI
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Title
- Vertical and horizontal distributions of ellipsoidal Alexandrium (Dinophyceae) cysts in coastal sediment with special reference to paralytic shellfish poisoning caused by tsunamis - a case study of Osaka Bay (Japan) and the southern coast of the Korean Peninsula
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Alternative Title
- Vertical and horizontal distributions of ellipsoidal Alexandrium (Dinophyceae) cysts in coastal sediment with special reference to paralytic shellfish poisoning caused by tsunamis - a case study of Osaka Bay (Japan) and the southern coast of the Korean Peninsula
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Author(s)
- Kazumi Matsuoka; Satoshi Akiyama; Keigo Yamamoto; Natsuhiko Kojima; Shin, Hyeon Ho
- KIOST Author(s)
- Shin, Hyeon Ho(신현호)
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Alternative Author(s)
- 신현호
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Publication Year
- 2019-08
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Abstract
- Severe damages will result in human society, when several different critical natural phenomena coincide. One example relates to the resting cysts of Alexandrium species (dinoflagellates that cause paralytic shellfish poisoning), which are preserved in surface sediments throughout Osaka Bay, Japan. These cysts have been found to accumulate particularly densely in shallow areas in the inner parts of Osaka Bay, where a tsunami caused by an earthquake could occur any time. Damage by a tsunami could cause a change of the coastal ecosystems at Osaka Bay including the resuspension of surface sediments containing resting Alexandrium tamarense cysts and the subsequent redistribution of the cysts in newly deposited sediment. Under certain environmental conditions, these cysts could germinate and form dense blooms, leading to paralytic shellfish poisoning. Such a scenario could also affect other coastal areas, including the southern coast of the Korean Peninsula.
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ISSN
- 1226-9999
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/563
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DOI
- 10.11626/KJEB.2019.37.3.268
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Bibliographic Citation
- 환경생물, v.37, no.3, pp.268 - 277, 2019
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Publisher
- 한국환경생물학회
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Keywords
- Alexandrium cyst; PSP; Osaka Bay; Tsunami; Korean Peninsula
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Type
- Article
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Language
- English
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