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Raphidophyte red tides in Korean waters

Title
Raphidophyte red tides in Korean waters
Authors
Jeong, HJDu Yoo, YLim, ASKim, TWLee, KKang, CK
POSTECH Authors
Lee, KKang, CK
Date Issued
Dec-2013
Publisher
ELSEVIER SCIENCE BV
Abstract
Marine raphidophytes are distributed worldwide, and they often cause large-scale fish mortality in many countries. Thus, the population dynamics of raphidophytes is of critical concern to scientists, the aquaculture industry, and government officials from many countries. Raphidophytes were thought to be exclusively autotrophic organisms, but have been recently revealed as mixotrophic algae. Raphidophytes, particularly Heterosigma akashiwo, often cause red tides in Korean waters. However, raphidophytes in Korean waters have varied temporal and spatial distributions. The frequency and extent of red tides dominated by H. akashiwo in Korean waters have continuously decreased between 1998 and 2010. In contrast, between 1983 and 2005 there were only two episodes of Chattonella red tides (1983 and 1994), but Chattonella red tides have occurred every year since 2006. In the present study, we review trends in the frequency of raphidophyte red tides in Korean waters between 1983 and 2010, the nationwide distribution of raphidophytes, physical and chemical properties of the water during raphidophyte red tides, genetic variations and eco-physiology of Korean raphidophyte strains, and raphidophyte prey and predators. In addition, we provide insight as to the ecological roles of raphidophytes in Korean waters. (C) 2013 Elsevier B.V. All rights reserved.
Keywords
Chattonella; Fibrocapsa; Harmful algal bloom; Heterosigma; Physiology; Red tide; HETEROSIGMA-AKASHIWO RAPHIDOPHYCEAE; CHATTONELLA-MARINA RAPHIDOPHYCEAE; CHLOROMONAD FLAGELLATE HETEROSIGMA; GROUNDWATER-BORNE NUTRIENTS; HETEROTROPHIC DINOFLAGELLATE; PHYTOPLANKTON ASSEMBLAGES; OVATA RAPHIDOPHYCEAE; LABORATORY CULTURES; GYRODINIUM-DOMINANS; PREY CONCENTRATION
URI
http://oasis.postech.ac.kr/handle/2014.oak/14717
DOI
10.1016/J.HAL.2013.10.
ISSN
1568-9883
Article Type
Article
Citation
HARMFUL ALGAE, vol. 30, page. S41 - S52, 2013-12
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 LEE, KITACK
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