Plankton Community Structure in Nong Han, Sakon Nakhon Province

Authors

  • Wisitda Uengjareansukarn
  • Vichaya Gunbua

Abstract

The plankton community structure in Nong Han, Sakon Nakhon province was studied. The eight samples were using 20 µm mesh size plankton net, from 8 stations in June, September and December 2016. Sixty-five genera, belonging to three divisions of phytoplankton were encountered including Division Chlorophyta (green algae) Chromophyta (golden-brown algae) and Cyanophyta (cyanobacteria) with 40, 13 and 12 genera, respectively. The most diverse group was Division Chlorophyta. The dominant genera were Oscillatoria, Cosmarium and Trachelomonas. Three groups of zooplankton were recognized, including Phylum Rotifera, Arthropoda and Protozoa in 5 groups: Nauplius, Cladocera, Copepod, Protozoa and Rotifer, respectively which Rotifer was the dominant group. In addition, the quantity of phytoplankton and oxygen dissolved were the main effective factors that affected on the community structure of zooplankton inNong Han, Sakon Nakhon province. Keywords: Diversity Phytoplankton Zooplankton Nong Han

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2017-08-02

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บทความวิจัยจากการประชุมวิชาการระดับชาติ"วิทยาศาสตร์วิจัย"ครั้งที่ 9