Potential risk of Mesodinium rubrum bloom in the aquaculture area of Dapeng’ao cove, China: diurnal changes in the ciliate community structure in the surface water**This research was supported by the Key Innovation Project of the Chinese Academy of Sciences (KZCX2-YW-Q07, KZCX2-YW-T001, SQ200805), National Nature Science Foundation of China (40906057, 41130855) and Special Project of the Social Common Wealth Research of the National Science Research Institute (South China Sea Fisheries Research… | Zendy

Huaxue Liu | Zendy; Xingyu Song | Zendy; Liangmin Huang | Zendy; Yehui Tan | Zendy; Yu Zhong | Zendy; Jian Rong Huang | Zendy

Open Access

Potential risk of Mesodinium rubrum bloom in the aquaculture area of Dapeng’ao cove, China: diurnal changes in the ciliate community structure in the surface water**This research was supported by the Key Innovation Project of the Chinese Academy of Sciences (KZCX2-YW-Q07, KZCX2-YW-T001, SQ200805), National Nature Science Foundation of China (40906057, 41130855) and Special Project of the Social Common Wealth Research of the National Science Research Institute (South China Sea Fisheries Research…

Author(s) -

Huaxue Liu,

Xingyu Song,

Liangmin Huang,

Yehui Tan,

Yu Zhong,

Jian Rong Huang

Publication year - 2012

Publication title -

oceanologia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.741

H-Index - 42

eISSN - 2300-7370

pISSN - 0078-3234

DOI - 10.5697/oc.54-1.109

Subject(s) - ciliate , cove , bloom , biology , abiotic component , aquaculture , abundance (ecology) , phytoplankton , ecology , environmental science , nutrient , fishery , fish <actinopterygii> , geography , archaeology

Diurnal changes in the structure of the ciliate community in surface waters were studied in the aquaculture area of Dapeng’ao cove, China. Two periods of heavy rainfall occurred during the study period, intensifying water column stratification and influencing the water’s properties. A total of 21 ciliate taxa from 15 genera were identified; the dominant species was Mesodinium rubrum. The maximum abundance of M. rubrum reached 3.92×104 indiv. dm−3, contributing 95.1% (mean value) to the total ciliate abundance. Diurnal changes in M. rubrum abundance were highly variable, the driving force probably being irradiance and food availability. The results suggest that M. rubrum may form blooms in aquaculture areas when there is a suitable physical regime with enriched nutrients, which is potentially harmful to the fish-farming industry

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