滴水湖及其引水河道沉积物中磷细菌的生态调查

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Abstract

The distribution of cultivable organic phosphate solubilizing bacteria(OPB) and inorganic phosphate solubilizing bacteria(IPB) in the sediment of Dishui Lake and its diversion rivers was studied in 2010.Results showed that the annual average values of OPB and IPB in sediment of diversion rivers in front of the inlet gate were(2.76×10⁴±1.31×10⁴) and(7.19×l0³±3.98×10³) CFU·g^-1, respectively;while in rivers after the gate they were(1.05×10⁴±3.56×10³) and(2.54×l0³±8.77×10²) CFU·g^-1,respectively.The annual values of OPB and IPB in sediment of Dishui Lake were(6.69×10³±2.63×10³) and(1.66×10³±5.83×10²) CFU·g^-1, respectively.In both Dishui Lake and its diversion rivers,close correlations were observed between OPB(or IPB) amount in sediment and phosphorus concentration in water.OPB or IPB amount had a significantly positive relationship with total phosphorus(TP),and the related coefficients were higher than those with bacteria,total dissolved phosphorus(TDP),and reactive phosphorus(AP).

Key words： Dishui Lake diversion rivers organic phosphate solubilizing bacteria inorganic phosphate solubilizing bacteria correlation

Received: 25 October 2011

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	Q948.11

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	JIANG Min
	HU Wen-ting
	WU Hao

Cite this article:

JIANG Min,HU Wen-ting,WU Hao. Ecological study of phosphate solubilizing bacteria in sediment of Dishui Lake and its diversion rivers[J]. , 2011, 30(5): 480-485.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2011/V30/I5/480

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