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  • Title: [Effect of disturbance on growth of Microcystis aeruginosa in different nutrient levels].
    Author: Yan RR, Pang Y, Chen XF, Zhao W, Ma J.
    Journal: Huan Jing Ke Xue; 2008 Oct; 29(10):2749-53. PubMed ID: 19143365.
    Abstract:
    The specific growth of Microcystis aeruginosa was studied under different nutrient levels and different disturbance in laboratory. It is shown that the algae get better growth under disturbance than stationary state in oligotrophic nutrient water, the specific growth rate can increase from 0.1 d(-1) to 0.3 d(-1). The algae can get the maximum specific growth rate under the wind speed of 4.0 m/s, relatively low disturbance doesn't have obvious impact on algae but relatively high disturbance has evident inhibition effect on algae. In eutrophic nutrient, disturbance has little effect on the growth rate and the biomass, the specific growth is 0.27-0.29 d(-1). The results show the effect of disturbance on the distribution of nutrients is more important than other factors when the nutrient conditions are quite different in water body. On the condition of nutrient in Lake Taihu, the disturbance doesn't have evident effect on the growth of algae.
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