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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Li, H. Ye, Z. H. Wei, Z. J. Wong, M. H. |
| Description | Country affiliation: China Author Affiliation: Li H ( State Key Laboratory for Bio-control, and School of Life Sciences, Sun Yat-sen University, Guangzhou 510006, China.) |
| Abstract | The rates of radial oxygen loss (ROL), root porosity, concentrations of arsenic (As), iron (Fe) and manganese (Mn) in shoot and root tissues and on root surfaces, As tolerances, and their relationships in different wetland plants were investigated based on a hydroponic experiment (control, 0.8, 1.6 mg As L(-1)) and a soil pot trail (control, 60 mg As kg(-1)). The results revealed that wetland plants showed great differences in root porosity (9-64%), rates of ROL (55-1750 mmo1 O2 kg(-1) root d.w.d(-1)), As uptake (e.g., 8.8-151 mg kg(-1) in shoots in 0.8 mg As L(-1) treatment), translocation factor (2.1-47% in 0.8 mg As L(-1)) and tolerance (29-106% in 0.8 mg As L(-1)). Wetland plants with higher rates of ROL and root porosity tended to form more Fe/Mn plaque, possess higher As tolerance, higher concentrations of As on root surfaces and a lower As translocation factor so decreasing As toxicity. |
| File Format | HTM / HTML |
| ISSN | 02697491 |
| Issue Number | 1 |
| Volume Number | 159 |
| e-ISSN | 18736424 |
| Journal | Environmental Pollution |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2011-01-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Discipline Science Arsenic Metabolism Oxygen Plant Roots Wetlands Iron Manganese Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Health, Toxicology and Mutagenesis Pollution Medicine Toxicology |
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