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Metal and metalloid contamination in roadside soil and wild rats around a Pb-Zn mine in Kabwe, Zambia

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Title: Metal and metalloid contamination in roadside soil and wild rats around a Pb-Zn mine in Kabwe, Zambia
Authors: Nakayama, Shouta M.M. Browse this author
Ikenaka, Yoshinori Browse this author →KAKEN DB
Hamada, Kyohei Browse this author
Muzandu, Kaampwe Browse this author
Choongo, Kennedy Browse this author
Teraoka, Hiroki Browse this author
Mizuno, Naoharu Browse this author
Ishizuka, Mayumi Browse this author →KAKEN DB
Keywords: Metal
Soil pollution
wild rat
Issue Date: Jan-2011
Publisher: Elsevier
Journal Title: Environmental pollution
Volume: 159
Issue: 1
Start Page: 175
End Page: 181
Publisher DOI: 10.1016/j.envpol.2010.09.007
PMID: 20971538
Abstract: Metal (Cr, Co, Cu, Zn, Cd, Pb, Ni) and metalloid (As) accumulation was studied in roadside soil and wild rat (Rattus sp.) samples from near a Pb–Zn mine (Kabwe, Zambia) and the capital city of Zambia (Lusaka). The concentrations of the seven metals and As in the soil samples and Pb in the rat tissue samples were quantified using atomic absorption spectroscopy. The concentrations of Pb, Zn, Cu, Cd, and As in Kabwe soil were much higher than benchmark values. Geographic Information System analysis indicated the source of metal pollution was mining and smelting activity. Interestingly, the area south of the mine was more highly contaminated even though the prevailing wind flow was westward. Wild rats from Kabwe had much higher tissue concentrations of Pb than those from Lusaka. Their body weight and renal Pb levels were negatively correlated, which suggests that mining activity might affect terrestrial animals in Kabwe. The area around Kabwe, Zambia is highly polluted with metals and As. Wild rats from this area had high tissue concentrations of Pb and decreased body weight.
Type: article (author version)
Appears in Collections:獣医学院・獣医学研究院 (Graduate School of Veterinary Medicine / Faculty of Veterinary Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 石塚 真由美

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