Distribution, abundance and species composition of phytoplankton in the Vietnamese waters
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Abstract
Samples of phytoplankton were collected from 58 stations in the Vietnamese waters from 30 April to 21 - May, 1999 on boat M. V. SEAFDEC. The total of 508 taxa, which consisted of 1 genus, 3 species of Cyanophyta; 1 genus, 2 species of Silicoflagellata; 63 genera, 283 species of Bacillariophyta and 34 genera, 220 species of Pyrrophyta were identified. In the Cyanophyta, Oscillatoria (mainly O. erythraea) was the frequently dominant species. Bacteriastrum elongatum, Bellerochea malleus, Chaetoceros cintus, Thalassionema nitzschioides and Thalassiothrix frauenfeldii were dominant species only in some stations of the coastal region of area A, B and D. Average cell numbers of phytoplankton in the different parts of Vietnamese sea waters were in the range 5.984-53.570 cells/l.
The indices of species diversity were in the ranges:
- R: from 0.70 to 2.5
- H´: from 2.49 to 2.32
- H´max: from 6.67 to 6.80
- J: from 0.37 to 0.48
- Dv: from 1.21 to 2.07
Suggested Citation
Canh, N. T., & Hao, V. M. (2001). Distribution, abundance and species composition of phytoplankton in the Vietnamese waters. In Proceedings of the Fourth Technical Seminar on Marine Fishery Resources Survey in the South China Sea, Area IV: Vietnamese Waters, 18-20 September 2000 (pp. 265-291). Bangkok, Thailand: Secretariat, Southeast Asian Fisheries Development Center.
Subject
dominant species 
; geographical distribution ; community composition ; abundance ; species diversity ; check lists ; phytoplankton ; Bacillariophyta; Thalassionema nitzschioides; Oscillatoria erythraea; Chaetoceros; Cyanophyta; Bellerochea; Bacteriastrum elongatum; Dinophyta; Thalassiothrix frauenfeldii; Silicoflagellata; Viet Nam; South China Sea
; geographical distribution ; community composition ; abundance ; species diversity ; check lists ; phytoplankton ; Bacillariophyta; Thalassionema nitzschioides; Oscillatoria erythraea; Chaetoceros; Cyanophyta; Bellerochea; Bacteriastrum elongatum; Dinophyta; Thalassiothrix frauenfeldii; Silicoflagellata; Viet Nam; South China Sea
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