Aquatic plant debris improve phosphorus sorption into sediment under anoxic condition

被引：5
|
作者：
Jin, Chong-Wei [1 ]
Du, Shao-Ting [2 ]
Dong, Wu-Yuan [2 ]
Wang, Jue-Hua [2 ]
Shen, Cheng [2 ]
Zhang, Yong-Song [1 ]
机构：
[1] Zhejiang Univ, Coll Environm & Resource Sci, MOE Key Lab Environm Remediat & Ecosyst Hlth, Hangzhou 310058, Zhejiang, Peoples R China
[2] Zhejiang Gongshang Univ, Coll Environm Sci & Engn, Hangzhou 310035, Zhejiang, Peoples R China
来源：
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2013年 / 20卷 / 11期
关键词：
Anoxic; Sediment; Phosphorus; Plant debris; Microorganism; Water; FRESH-WATER LAKE; PHOSPHATE; RELEASE; EUTROPHICATION; RESTORATION; BACTERIA; FIXATION; NITROGEN;
D O I：
10.1007/s11356-013-1801-z
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The effects of plant debris on phosphorus sorption by anoxic sediment were investigated. Addition of plant debris significantly enhanced the decrease of soluble relative phosphorus (SRP) in overlying water at both 10 and 30 A degrees C during the 30-day investigation. Both cellulose and glucose, two typical plant components, also clearly enhanced the SRP decrease in anoxic overlying water. The measurement of phosphorus (P) fractions in sediment revealed that the levels of unstable P forms were decreased by plant debris addition, whereas the opposites were true for stable P forms. However, under sterilized condition, plant debris/glucose addition has no effect on the SRP decrease in overlying water. Overall, our results suggested that plant debris improve P sorption into sediment under anoxic condition through a microorganism-mediated mechanism.
引用
收藏
页码：8237 / 8244
页数：8
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