Pore-Water Carbonate and Phosphate As Predictors of Arsenate Toxicity in Soil
被引:18
作者:
Lamb, Dane T.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Newcastle, Fac Sci & Informat Technol, Global Ctr Environm Res GCER, Callaghan, NSW 2308, Australia
Univ South Australia, Cooperat Res Ctr Contaminat Assessment & Remediat, Mawson Lakes, SA 5095, AustraliaUniv Newcastle, Fac Sci & Informat Technol, Global Ctr Environm Res GCER, Callaghan, NSW 2308, Australia
Lamb, Dane T.
[1
,2
]
Kader, Mohammed
论文数: 0引用数: 0
h-index: 0
机构:
Univ Newcastle, Fac Sci & Informat Technol, Global Ctr Environm Res GCER, Callaghan, NSW 2308, Australia
Univ South Australia, Cooperat Res Ctr Contaminat Assessment & Remediat, Mawson Lakes, SA 5095, AustraliaUniv Newcastle, Fac Sci & Informat Technol, Global Ctr Environm Res GCER, Callaghan, NSW 2308, Australia
Kader, Mohammed
[1
,2
]
Wang, Liang
论文数: 0引用数: 0
h-index: 0
机构:
Univ Newcastle, Fac Sci & Informat Technol, Global Ctr Environm Res GCER, Callaghan, NSW 2308, Australia
Univ South Australia, Cooperat Res Ctr Contaminat Assessment & Remediat, Mawson Lakes, SA 5095, AustraliaUniv Newcastle, Fac Sci & Informat Technol, Global Ctr Environm Res GCER, Callaghan, NSW 2308, Australia
Wang, Liang
[1
,2
]
Choppala, Girish
论文数: 0引用数: 0
h-index: 0
机构:
Southern Cross Univ, Southern CrossGeosci, Lismore, NSW 2480, AustraliaUniv Newcastle, Fac Sci & Informat Technol, Global Ctr Environm Res GCER, Callaghan, NSW 2308, Australia
Choppala, Girish
[3
]
Rahman, Mohammad Mahmudur
论文数: 0引用数: 0
h-index: 0
机构:
Univ Newcastle, Fac Sci & Informat Technol, Global Ctr Environm Res GCER, Callaghan, NSW 2308, Australia
Univ South Australia, Cooperat Res Ctr Contaminat Assessment & Remediat, Mawson Lakes, SA 5095, AustraliaUniv Newcastle, Fac Sci & Informat Technol, Global Ctr Environm Res GCER, Callaghan, NSW 2308, Australia
Rahman, Mohammad Mahmudur
[1
,2
]
Megharaj, Mallavarapu
论文数: 0引用数: 0
h-index: 0
机构:
Univ Newcastle, Fac Sci & Informat Technol, Global Ctr Environm Res GCER, Callaghan, NSW 2308, Australia
Univ South Australia, Cooperat Res Ctr Contaminat Assessment & Remediat, Mawson Lakes, SA 5095, AustraliaUniv Newcastle, Fac Sci & Informat Technol, Global Ctr Environm Res GCER, Callaghan, NSW 2308, Australia
Megharaj, Mallavarapu
[1
,2
]
Naidu, Ravi
论文数: 0引用数: 0
h-index: 0
机构:
Univ Newcastle, Fac Sci & Informat Technol, Global Ctr Environm Res GCER, Callaghan, NSW 2308, Australia
Univ South Australia, Cooperat Res Ctr Contaminat Assessment & Remediat, Mawson Lakes, SA 5095, AustraliaUniv Newcastle, Fac Sci & Informat Technol, Global Ctr Environm Res GCER, Callaghan, NSW 2308, Australia
Naidu, Ravi
[1
,2
]
机构:
[1] Univ Newcastle, Fac Sci & Informat Technol, Global Ctr Environm Res GCER, Callaghan, NSW 2308, Australia
[2] Univ South Australia, Cooperat Res Ctr Contaminat Assessment & Remediat, Mawson Lakes, SA 5095, Australia
[3] Southern Cross Univ, Southern CrossGeosci, Lismore, NSW 2480, Australia
Phytotoxicity of inorganic contaminants is influenced by the presence of competing ions at the site of uptake. In this study, interaction of soil pore-water constituents with arsenate toxicity was investigated in cucumber (Cucumis sativa L) using 10 contrasting soils. Arsenate phytotoxicity was shown to be related to soluble carbonate and phosphate. The data indicated that dissolved phosphate and carbonate had an antagonistic impact on arsenate toxicity to cucumber. To predict arsenate phytotoxicity in soils with a diverse range of soil solution properties, both carbonate and phosphate were required. The relationship between arsenic and pore-water toxicity parameters was established initially using multiple regression. In addition, based on the relationship with carbonate and phosphate we successively applied a terrestrial biotic ligand-like model (BLM) including carbonate and phosphate. Estimated effective concentrations from the BLM-like parametrization were strongly correlated to measured arsenate values in pore water (R-2 = 0.76, P < 0.001). The data indicates that an ion interaction model similar to the BLM for arsenate is possible, potentially improving current risk assessments at arsenic and co-contaminated soils.
机构:Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
Cao, Qing
;
Hu, Qin-Hong
论文数: 0引用数: 0
h-index: 0
机构:Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
Hu, Qin-Hong
;
Khan, Sardan
论文数: 0引用数: 0
h-index: 0
机构:Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
Khan, Sardan
;
Wang, Zi-Jian
论文数: 0引用数: 0
h-index: 0
机构:Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
Wang, Zi-Jian
;
Lin, Ai-Jun
论文数: 0引用数: 0
h-index: 0
机构:Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
Lin, Ai-Jun
;
Du, Xin
论文数: 0引用数: 0
h-index: 0
机构:Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
Du, Xin
;
Zhu, Yong-Guan
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R ChinaChinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
机构:Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
Cao, Qing
;
Hu, Qin-Hong
论文数: 0引用数: 0
h-index: 0
机构:Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
Hu, Qin-Hong
;
Khan, Sardan
论文数: 0引用数: 0
h-index: 0
机构:Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
Khan, Sardan
;
Wang, Zi-Jian
论文数: 0引用数: 0
h-index: 0
机构:Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
Wang, Zi-Jian
;
Lin, Ai-Jun
论文数: 0引用数: 0
h-index: 0
机构:Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
Lin, Ai-Jun
;
Du, Xin
论文数: 0引用数: 0
h-index: 0
机构:Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China
Du, Xin
;
Zhu, Yong-Guan
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R ChinaChinese Acad Sci, Ecoenvironm Sci Res Ctr, Beijing 100085, Peoples R China