Investigation on Phytoplankton and Water Quality in Tiande Lake of Taizhou City in summer

International Journal of Agriculture & Environmental Science

© 2016 by SSRG - IJAES Journal

Volume 3 Issue 6

Year of Publication : 2016

Authors : Xiao Jiang Chen, Quan Wang, Zi Ming Zhao

10.14445/23942568/IJAES-V3I6P105

How to Cite?

Xiao Jiang Chen, Quan Wang, Zi Ming Zhao, "Investigation on Phytoplankton and Water Quality in Tiande Lake of Taizhou City in summer," SSRG International Journal of Agriculture & Environmental Science, vol. 3,  no. 6, pp. 21-25, 2016. Crossref, https://doi.org/10.14445/23942568/IJAES-V3I6P105

Abstract:

Field experiment was carried out to study on the community structure and species diversity of phycophyta in Tiande Lake, 4 samples were respectively collected according to normal methods, in June and July and August, 2015. The phycophyta species composition, cell density, diversity index were analyzed. The results showed there were 209 phycophyta species (including variety) belonging to 77 genera, 37 families, 8 phyla. The dominant species were Ankistrodesmus, A.Falcatus, Oocystis, S.granulatus, C.kesssleri, C.Vulgaris, T.Minimum，Synedra acusvar, S. Acus, C.catenata, S.pulehella, N.acicularis, Chroococcus. A.Falcatus had the highest dominance (0.088), then Synedra acusvar (0.087). The cell densities of phytoplankton was in the range of 25.2×106-56.89×106 with the mean value of 37.845×106 ind·L-1 belong to middle nutrition. The pollution-indicating algae indicate the water body of Tiande Lake already belonged to meso-eutrophic type. The Margalef richness index(d) was in the range of 4.05-4.26 with the mean value of 4.76. The Shannon diversity index(H') was in the range of 3.04-3.77 with the mean value of 3.29. The Pielou evenness index (E) was in the range of 0.7-0.81 with the mean value of 0.74. The water quality of Tiande lake belonged to slightly contaminated.

Keywords:

 Tiande Lake, Phytoplankton, Water quality, Diversity index

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