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KMID : 1024520070160060745
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Journal of the Environmental Sciences
2007 Volume.16 No. 6 p.745 ~ p.750
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Additive Materials to Reduce the Amount of Loess Being Applied for Red Tide Removal on Coastal Water
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Park Chi-Hyun
Lee Byoung-Ho
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Abstract
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Large scale of loess has been applied on the south - sea shore of the Korean peninsula to treat red tides, due to many fishery’s devastation by red tides every year. However, coastal ecosystem is ruined by the huge amount of loess applied every year. Almost all creatures, living under water such as sea weeds, clams, and fishes, where loess was applied, are disappearing. In this paper, alternative methods of the loess application are investigated. The amount of loess could be reduced by the alternative methods, Especially, loess mixed with calcium oxide has excellent effects to reduce Cochlodinium polykrikoides numbers. It was found that when loess is used with calcium oxide(CaO), removal efficiency of red tides is highly increased. Moreover, the amount of loess could be reduced dramatically.
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KEYWORD
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Red tide, Loess, Additive Material, Cochlodinium polykrikoides, Calcium Oxide, Calcium Hydroxide
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