Phosphorus fractions and profile distribution in newly formed wetland soils along a salinity gradient in the Yellow River Delta in China
Xu, Gang1; Shao, Hong-Bo1,2; Sun, Jun-Na1,3; Chang, Scott X.1,4
发表期刊JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE
ISSN1436-8730
2012-10-01
卷号175期号:5页码:721-728
关键词Phosphorus Hedley Fractionation Yellow River Delta
DOI10.1002/jpln.201100307
产权排序[Xu, Gang; Shao, Hong-Bo; Sun, Jun-Na; Chang, Scott X.] Chinese Acad Sci, Key Lab Coastal Zone Environm Proc, Yantai Inst Coastal Zone Res, Shandong Prov Key Lab Coastal Zone Environm Proc, Yantai 264003, Shandong, Peoples R China; [Shao, Hong-Bo] Qingdao Univ Sci & Technol, Inst Life Sci, Qingdao 266042, Peoples R China; [Sun, Jun-Na] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China; [Chang, Scott X.] Univ Alberta, Dept Renewable Resources, Edmonton, AB T6G 2E3, Canada
通讯作者Shao, HB (reprint author), Chinese Acad Sci, Key Lab Coastal Zone Environm Proc, Yantai Inst Coastal Zone Res, Shandong Prov Key Lab Coastal Zone Environm Proc, Yantai 264003, Shandong, 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Soil P availability has been identified as one of the key factors controlling wetland productivity, structure, and function. Soil P fractions at different depths in newly formed wetlands along a salinity gradient in Yellow River Delta (China) were studied using a modified Hedley fraction method. The total P (Pt) content ranged from 471.1 to 694.9 mg?kg1, and diluted HCl-extractable inorganic P (Dil-HCl-Pi) ranged from 324 to 524.2 mg?kg1. The Dil-HCl-Pi is the predominant P form in all profiles, with on average 70% of the Pt extracted as Pi. Organic P (Po) comprised (4.2 +/- 2.0)% (mean +/- SD) of the Pt, due to low organic-matter content in coastal salt marsh ecosystems. The labile P (resin-P, NaHCO3-Pi, and NaHCO3-Po) and moderately labile P (NaOH-Pi and NaOH-Po) concentrations were both low, ranged from 11.6 to 38.1 and 2.8 to 21.3 mg?kg1, respectively, constituting (3.7 +/- 1.1)% and (2.0 +/- 0.7)%, respectively, of Pt, suggesting low availability of P to plants in these soils. Our results suggested that vegetation cover significantly influenced soil P dynamics and availability. In particular, the labile P content under Tamarix chinensis increased significantly by 23.2%145.5% compared with adjacent soils. These findings have important implications for wetland conservation or restoration and long-term sustainable management of newly formed wetland ecosystems in the Yellow River Delta.
文章类型Article
资助机构National Natural Science Foundation of China [41001137, 41171216, 31100313]; Chinese Academy of Sciences (CAS) [XDA01020304]; CAS/SAFEA International Partnership Program for Creative Research Teams; Science & Technology Development Plan of Shandong Province [2010GSF10208]; Science & Technology Development Plan of Yantai City [2010245, 2011016]; Yantai Double-hundred Talent Plan [XY-003-02] ; National Natural Science Foundation of China 41001137 41171216 31100313 ; Chinese Academy of Sciences (CAS) XDA01020304 ; CAS/SAFEA International Partnership Program for Creative Research Teams ; Science & Technology Development Plan of Shandong Province 2010GSF10208 ; Science & Technology Development Plan of Yantai City 2010245 2011016 ; Yantai Double-hundred Talent Plan XY-003-02
收录类别SCI
语种英语
关键词[WOS]LAND-USE ; HEDLEY FRACTIONATION ; GRASSLAND SOILS ; DYNAMICS ; ECOSYSTEMS ; INVASION ; BRAZIL
研究领域[WOS]Agriculture ; Plant Sciences
WOS记录号WOS:000310327700012
引用统计
被引频次:34[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/6128
专题海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室
作者单位1.Chinese Acad Sci, Key Lab Coastal Zone Environm Proc, Yantai Inst Coastal Zone Res, Shandong Prov Key Lab Coastal Zone Environm Proc, Yantai 264003, Shandong, Peoples R China
2.Qingdao Univ Sci & Technol, Inst Life Sci, Qingdao 266042, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
4.Univ Alberta, Dept Renewable Resources, Edmonton, AB T6G 2E3, Canada
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Xu, Gang,Shao, Hong-Bo,Sun, Jun-Na,et al. Phosphorus fractions and profile distribution in newly formed wetland soils along a salinity gradient in the Yellow River Delta in China[J]. JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE,2012,175(5):721-728.
APA Xu, Gang,Shao, Hong-Bo,Sun, Jun-Na,&Chang, Scott X..(2012).Phosphorus fractions and profile distribution in newly formed wetland soils along a salinity gradient in the Yellow River Delta in China.JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE,175(5),721-728.
MLA Xu, Gang,et al."Phosphorus fractions and profile distribution in newly formed wetland soils along a salinity gradient in the Yellow River Delta in China".JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE 175.5(2012):721-728.
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