Interspecific competition among Cyanophyta, Chlorophyta and Diatom in response to pulse supply of nitrate
by Yang Su Wen; Wang Sheng Rui; Wang Hong Mei; Li Jing Yao; Zhang Pu Qing
International Journal of Environment and Waste Management (IJEWM), Vol. 10, No. 1, 2012

Abstract: In summer, Cyanobacteria, Chlorococcalesa and Diatom occupy 99% of total phytoplankton biomass in Taihu Lake, China. Nitrogen plays an important role toward shaping that structure of phytoplankton. Three typical species were chosen to investigate the competing relationship among those three phylum by the nitrate dynamic experiments and supply experiments. Five growth parameters of Microcystis aeruginosa, Scenedesmus quadricauda and Cyclotella sp. in Monod, Droop models based on Tilmans' R* rule were calculated, respectively. The results obtained help in recognising actual waterbloom levels in lakes.

Online publication date: Sat, 13-Dec-2014

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