Land Use in Habitats Affects Metal Concentrations in Wild Lizards Around a Former Lead Mining Site

Doya, Rio; Nakayama, Shouta M. M.; Nakata, Hokuto; Toyomaki, Haruya; Yabe, John; Muzandu, Kaampwe; Yohannes, Yared B.; Kataba, Andrew; Zyambo, Golden; Ogawa, Takahiro; Uchida, Yoshitaka; Ikenaka, Yoshinori; Ishizuka, Mayumi

Land Use in Habitats Affects Metal Concentrations in Wild Lizards Around a Former Lead Mining Site

Doya, Rio; Nakayama, Shouta M. M.; Nakata, Hokuto et al.

Environmental science & technology, 2020, 54(22), 14474-14481

Permalink : https://hdl.handle.net/2115/87230

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アクセス権	open access
URI	https://hdl.handle.net/2115/87230
タイトル	Land Use in Habitats Affects Metal Concentrations in Wild Lizards Around a Former Lead Mining Site
著者	Doya, Rio ; Nakayama, Shouta M. M. ; Nakata, Hokuto ; Toyomaki, Haruya ; Yabe, John ; Muzandu, Kaampwe ; Yohannes, Yared B. ; Kataba, Andrew ; Zyambo, Golden ; Ogawa, Takahiro ; Uchida, Yoshitaka ; Ikenaka, Yoshinori ; Ishizuka, Mayumi
著者名 Doya, Rio
e-Rad_Researcher 90647629 著者名 Nakayama, Shouta M. M.
著者名 Nakata, Hokuto
著者名 Toyomaki, Haruya
著者名 Yabe, John
著者名 Muzandu, Kaampwe
著者名 Yohannes, Yared B.
著者名 Kataba, Andrew
著者名 Zyambo, Golden
著者名 Ogawa, Takahiro
e-Rad_Researcher 70705251 著者名 Uchida, Yoshitaka
e-Rad_Researcher 40543509 著者名 Ikenaka, Yoshinori
e-Rad_Researcher 50332474 著者名 Ishizuka, Mayumi
言語	英語
発行日	2020-11-17
出版者	American Chemical Society
収録物名	Environmental science & technology
巻(号)	54(22)
ページ	14474-14481
抄録	We investigated the potential effects of different land use and other environmental factors on animals living in a contaminated environment. The study site in Kabwe, Zambia, is currently undergoing urban expansion, while lead contamination from former mining activities is still prevalent. We focused on a habitat generalist lizards (Trachylepis wahlbergii). The livers, lungs, blood, and stomach contents of 224 lizards were analyzed for their lead, zinc, cadmium, copper, nickel, and arsenic concentrations. Habitat types were categorized based on vegetation data obtained from satellite images. Multiple regression analysis revealed that land use categories of habitats and three other factors significantly affected lead concentrations in the lizards. Further investigation suggested that the lead concentrations in lizards living in bare fields were higher than expected based on the distance from the contaminant source, while those in lizards living in green fields were lower than expected. In addition, the lead concentration of lungs was higher than that of the liver in 19% of the lizards, implying direct exposure to lead via dust inhalation besides digestive exposure. Since vegetation reduces the production of dust from surface soil, it is plausible that dust from the mine is one of the contamination sources and that vegetation can reduce exposure to this.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	Creative Commons Attribution 4.0 International
権利情報	This document is the Accepted Manuscript version of a Published Work that appeared in final form in Environmental science and technology, copyright c American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acs.est.0c00150.
PISSN	0013-936X
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1021/acs.est.0c00150