A dinoflagellate Cochlodinium geminatum bloom in the Zhujiang (Pearl) River estuary in autumn 2009

Zhixin Ke; Liangmin Huang; Yehui Tan; Xingyu Song

doi:10.1007/s00343-012-1141-8

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A dinoflagellate Cochlodinium geminatum bloom in the Zhujiang (Pearl) River estuary in autumn 2009

OriginalPaper | Updated：2023-05-16

- A dinoflagellate Cochlodinium geminatum bloom in the Zhujiang (Pearl) River estuary in autumn 2009
- A dinoflagellate Cochlodinium geminatum bloom in the Zhujiang (Pearl) River estuary in autumn 2009
- 海洋湖沼学报（英文） 2012年30卷第3期页码：371-378
- Affiliations：
  
  Key Laboratory of Marine Bio-resource Sustainable Utilization South China Sea Institute of Oceanology Chinese Academy of Sciences
- Author bio：
- Funds：
  
  Supported by the National Natural Science Foundation of China (Nos. 41006066, 41130855), the Knowledge Innovation Program of Chinese Academy of Sciences (No. SQ200907), and the Science and Technology Program of Guangdong Province (No. 2009B030600004)
- DOI：10.1007/s00343-012-1141-8
  中图分类号：
- 网络首发：2011-09-16，
  
  纸质出版：2012
- Accepted：
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A dinoflagellate Cochlodinium geminatum bloom in the Zhujiang (Pearl) River estuary in autumn 2009[J]. 海洋湖沼学报（英文）, 2012,30(3):371-378.

Ke, Z., Huang, L., Tan, Y. et al. A dinoflagellate Cochlodinium geminatum bloom in the Zhujiang (Pearl) River estuary in autumn 2009., Chin. J. Ocean. Limnol. 30, 371–378 (2012). https://doi.org/10.1007/s00343-012-1141-8
A dinoflagellate Cochlodinium geminatum bloom in the Zhujiang (Pearl) River estuary in autumn 2009[J]. 海洋湖沼学报（英文）, 2012,30(3):371-378. DOI： 10.1007/s00343-012-1141-8.

Ke, Z., Huang, L., Tan, Y. et al. A dinoflagellate Cochlodinium geminatum bloom in the Zhujiang (Pearl) River estuary in autumn 2009., Chin. J. Ocean. Limnol. 30, 371–378 (2012). https://doi.org/10.1007/s00343-012-1141-8 DOI：

摘要

Abstract

A severe Cochlodinium geminatum red tide (>300 km2) was observed in the Zhujiang (Pearl) River estuary

South China Sea in autumn 2009. We evaluated the environmental conditions and phytoplankton community structure during the outbreak. The red tide water mass had significantly higher dissolved inorganic phosphate (DIP)

ammonia

and temperature

but significantly lower nitrite

nitrate

dissolved inorganic nitrogen (DIN)

and DIN/DIP relative to the non-red-tide zones. The phytoplankton assemblage was dominated by dinoflagellates and diatoms during the red tide. C. geminatum was the most abundant species

with a peak density of 4.13×107 cell/L

accounting for >65% of the total phytoplankton density. The DIN/DIP ratio was the most important predictor of species

accounting for 12.45% of the total variation in the phytoplankton community. Heavy phosphorus loading

low precipitation

and severe saline intrusion were likely responsible for the bloom of C. geminatum.

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Keywords

references

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