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题名:
Potential Retention and Release Capacity of Phosphorus in the Newly Formed Wetland Soils from the Yellow River Delta, China
作者: Sun, Junna2,4; Xu, Gang(徐刚)4; Shao, HongBo(邵宏波)1,4; Xu, Shaohui3
刊名: CLEAN-SOIL AIR WATER
ISSN号: 1863-0650
出版日期: 2012-10-01
卷号: 40, 期号:10, 页码:1131-1136
关键词: Fe- & Al-oxides ; Fluvo-aquic soil ; Seaside wetland ; Sorption-Desorption
学科分类: Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
DOI: 10.1002/clen.201100739
产权排序: [Shao, Hongbo] Qingdao Univ Sci & Technol, Inst Life Sci, Qingdao 266042, Peoples R China; [Sun, Junna] Chinese Acad Sci, Grad Univ, Beijing, Peoples R China; [Xu, Shaohui] Qingdao Univ, Dept Environm Sci, Qingdao 266071, Peoples R China; [Sun, Junna; Xu, Gang; Shao, Hongbo] Chinese Acad Sci, Key Lab Coastal Zone Environm Proc, Shandong Prov Key Lab Coastal Zone Environm Proc, Yantai Inst Coastal Zone Res YIC,YICCAS, Yantai, Peoples R China
通讯作者: Shao, HB (reprint author), Qingdao Univ Sci & Technol, Inst Life Sci, Qingdao 266042, Peoples R China.
作者部门: 海岸带生物学与生物资源利用所重点实验室
英文摘要: There are few researches on the characteristics of phosphorus (P) in the newly born wetland soils from Yellow River Delta of China. Meanwhile, whether the wetland soils can protect the aquatic ecosystem from excessive P input or not and the risk of P release from the soils to the water quality have generated considerable interests. Through isothermal batch static equilibrium sorption experiments followed by six subsequent extraction steps, the present study assessed the variations in P sorption and desorption properties of the newly born wetland soils in Yellow River Delta. It is found that the P sorption isotherms were nonlinear and the amount of P sorption reached a steady state as P initial concentration added increased in the studied soils. Though the capacity of P retention differed strongly among the studied zone, the soils can protect the aquatic ecosystem from excessive P input to a certain extent degree. From the desorption experiments, it is found that the newly sorbed P was easily desorbed in higher initial added concentration and the desorption P significantly decreased with successive extraction in all samples. The release of P from soil proposed a significant contribution to the water quality and eutrophication of coastal zone. Correlation and regression analyses showed that the amorphous and free Fe/Al oxides, correlated with clay content in the studied soils, were the crucial chemical factors ascribed to the soil P retention and release capacity.
研究领域[WOS]: Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
项目资助者: National Natural Science Foundation of China 41001137 41171216 ; Hundred-Talent Plan of Chinese Academy of Sciences (CAS) ; Yantai Science and Technology Development Project 2011016 2010245 ; Yantai Double-hundred Talent Plan XY-003-02 ; Science and Technology Development Plan of Shandong Province 010GSF10208 ; CAS/SAFEA International Partnership Program for Creative Research Teams ; Yantai Double-hundred Talent Plan XY-003-02
关键词[WOS]: PHOSPHATE SORPTION ; DESORPTION CHARACTERISTICS ; ORGANIC-MATTER ; UPLAND SOILS ; ACIDIC SOILS ; SEDIMENTS ; ADSORPTION ; OXIDE ; IRON ; LAKE
文章类型: Article
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000310069200017
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/6131
Appears in Collections:海岸带生物学与生物资源利用所重点实验室_期刊论文

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作者单位: 1.Qingdao Univ Sci & Technol, Inst Life Sci, Qingdao 266042, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China
3.Qingdao Univ, Dept Environm Sci, Qingdao 266071, Peoples R China
4.Chinese Acad Sci, Key Lab Coastal Zone Environm Proc, Shandong Prov Key Lab Coastal Zone Environm Proc, Yantai Inst Coastal Zone Res YIC,YICCAS, Yantai, Peoples R China

Recommended Citation:
Sun, Junna,Xu, Gang,Shao, Hongbo,et al. Potential Retention and Release Capacity of Phosphorus in the Newly Formed Wetland Soils from the Yellow River Delta, China[J]. CLEAN-SOIL AIR WATER,2012,40(10):1131-1136.
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文件名: Potential Retention and Release Capacity of Phosphorus in the Newly Formed Wetland Soils from the Yellow River Delta, China.pdf
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