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  • Title: [Annual variation of different phosphorus forms and response of algae growth in Meiliang bay of Taihu Lake].
    Author: Wang M, Wu XF, Li DP, Li X, Huang Y.
    Journal: Huan Jing Ke Xue; 2015 Jan; 36(1):80-6. PubMed ID: 25898650.
    Abstract:
    Based on the monthly investigations of different forms of phosphorus(P) and algae growth from January to December 2013 in Meiliang bay of Taihu Lake, the transformation of different P forms and the relationship between different P forms and algae growth was investigated under the dual conditions of disturbance due to wind and wave and algae growth. Results of the total P(TP), particulate P (PP), dissolved total P(DTP), dissolved inorganic P(DIP) and bioavailable P(BAP) showed that the monthly concentrations reached the maximum in summer and autumn while the minimum in winter and spring. In addition, the algae growth showed the same trends as above. However, no variation was found in the dissolved organic P(DOP) and bioavailable particulate P(BAPP). The bioavailability of PP was only 12.75% from June to October, which was obviously lower than the annual mean (37.14%). It was attributed to the acceleration on the transformation of PP to DTP due to the immobilization of sedimentary P under sediment disturbance and algae adsorption. The percentage of DTP in BAP was up to 69.33% (average), which was obviously higher than the percentage of bioavailable PP (30.66%, average) and the annual mean (56.63%) of DTP during the interval. In addition, the algae bloom appeared in the interval.
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