Release of phosphorus in sediments from a tributary of the Three Gorges Reservoir (China) with phosphate-solubilising bacteria

被引：5

作者：

Wang, Ying ^{[1
]}

Shen, Zhenyao ^{[1
]}

机构：

[1] Beijing Normal Univ, State Key Lab Water Environm Simulat, Sch Environm, Beijing 100875, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ENVIRONMENT AND POLLUTION | 2011年 / 45卷 / 1-3期

基金：

中国国家自然科学基金;

关键词：

phosphorus; release; sediments; PSB; phosphate-solubilising bacteria; three Gorges Reservoir; phosphorus-existing forms; AKP; alkaline phosphatase; temperature; DO; dissolved oxygen; eutrophication; RIVER;

D O I：

10.1504/IJEP.2011.039091

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Inorganic Phosphate-solubilising Bacteria (IPB) and Organic Phosphate-mineralising Bacteria (OPB) was isolated from DaNing River which was an important tributary of the Three-Gorges Reservoir (China), and their abilities for P release from sediment were evaluated in batch experiments. The results showed that IPB and OPB may not only enhance P release, but also reserve P as organic P and inorganic P forms inside the cells. Higher temperature promoted P release and reserve inside the bacteria. Lower dissolved oxygen debased P reserved inside the bacteria, but made more Fe-bound P released, which enhanced the concentration of phosphate in water.

引用

页码：145 / 156

页数：12

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