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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Dar, Mudasir Irfan Khan, Fareed Ahmad Green, Iain D. Naikoo, Mohd Irfan |
| Description | Country affiliation: India Author Affiliation: Dar MI ( Environmental Botany Division, Department of Botany, Aligarh Muslim University, Aligarh, Uttar Pradesh, 202002, India. irfanmudasir@gmail.com.); Khan FA ( Environmental Botany Division, Department of Botany, Aligarh Muslim University, Aligarh, Uttar Pradesh, 202002, India.); Green ID ( Department of Life and Environmental Science, The Faculty of Science and Technology, Bournemouth University, Talbot Campus, Poole, Dorset, BH12 5BB, UK.); Naikoo MI ( Environmental Botany Division, Department of Botany, Aligarh Muslim University, Aligarh, Uttar Pradesh, 202002, India.) |
| Abstract | The contamination of agroecosystems due to the presence of trace elements in commonly used agricultural materials is a serious issue. The most contaminated material is usually sewage sludge, and the sustainable use of this material within agriculture is a major concern. This study addresses a key issue in this respect, the fate of trace metals applied to soil in food chains. The work particularly addresses the transfer of Pb, which is an understudied element in this respect, and compares the transfer of Pb with two of the most labile metals, Cd and Zn. The transfer of these elements was determined from sludge-amended soils in a food chain consisting of Indian mustard (Brassica juncea), the mustard aphid (Lipaphis erysimi) and a predatory beetle (Coccinella septempunctata). The soil was amended with sludge at rates of 0, 5, 10 and 20 % (w/w). Results showed that Cd was readily transferred through the food chain until the predator trophic level. Zn was the most readily transferred element in the lower trophic levels, but transfer to aphids was effectively restricted by the plant regulating shoot concentration. Pb had the lowest level of transfer from soil to shoot and exhibited particular retention in the roots. Nevertheless, Pb concentrations were significantly increased by sludge amendment in aphids, and Pb was increasingly transferred to ladybirds as levels increased. The potential for Pb to cause secondary toxicity to organisms in higher trophic levels may have therefore been underestimated. |
| ISSN | 09441344 |
| Issue Number | 20 |
| Volume Number | 22 |
| e-ISSN | 16147499 |
| Journal | Environmental Science and Pollution Research |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2015-10-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Food Chain Lead Metabolism Sewage Soil Pollutants Agriculture Animals Aphids Beetles Brassica Cadmium Metals Analysis Plant Roots Chemistry Plants Soil Zinc Comparative Study Journal Article Research Support, Non-u.s. Gov't Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine |
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