Trace Element Contamination in Tissues of Four Bird Species from the Rift Valley Region, Ethiopia

Yohannes, Yared Beyene; Ikenaka, Yoshinori; Nakayama, Shouta M. M.; Mizukawa, Hazuki; Ishizuka, Mayumi

Trace Element Contamination in Tissues of Four Bird Species from the Rift Valley Region, Ethiopia

Yohannes, Yared Beyene; Ikenaka, Yoshinori; Nakayama, Shouta M. M. et al.

Bulletin of environmental contamination and toxicology, 2017, 98(2), 172-177

Permalink : https://hdl.handle.net/2115/68170

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アクセス権	open access
URI	https://hdl.handle.net/2115/68170
タイトル	Trace Element Contamination in Tissues of Four Bird Species from the Rift Valley Region, Ethiopia
著者	Yohannes, Yared Beyene ; Ikenaka, Yoshinori ; Nakayama, Shouta M. M. ; Mizukawa, Hazuki ; Ishizuka, Mayumi
著者名 Yohannes, Yared Beyene
e-Rad_Researcher 40543509 著者名 Ikenaka, Yoshinori
e-Rad_Researcher 90647629 著者名 Nakayama, Shouta M. M.
e-Rad_Researcher 60612661 著者名 Mizukawa, Hazuki
e-Rad_Researcher 50332474 著者名 Ishizuka, Mayumi
言語	英語
キーワード	Bird
	Tissue
	Trace element
	Ecological risk assessment
	Ethiopian rift valley
発行日	2017-02
出版者	Springer
収録物名	Bulletin of environmental contamination and toxicology
巻(号)	98(2)
ページ	172-177
抄録	Concentrations of ten trace elements (Hg, As, Cd, Pb, Co, Cr, Cu, Ni, Se and Zn) were determined in different tissues (liver, kidney, muscle, heart and brain) of African sacred ibis (Threskiornis aethiopicus), Hamerkop (Scopus umbretta), marabou stork (Leptoptilos crumeniferus) and great white pelican (Pelecanus onocrotalus) inhabiting the Ethiopian Rift Valley region. There were differences in trace element patterns among the bird species. Significantly (p < 0.05) higher concentrations of Cd (5.53 A mu g/g dw +/- 2.94) in kidney and Hg (0.75 A mu g/g ww +/- 0.30) in liver were observed in the great white pelican compared to the other species, and liver concentrations of these two elements showed positive correlations with trophic level. Concentrations of toxic elements (As, Cd, Pb and Hg) in liver were below their respective toxicological thresholds, indicating that the data may provide baseline information for future studies.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	The final publication is available at Springer via http://dx.doi.org/10.1007/s00128-016-2011-4
PISSN	0007-4861
関連情報	PMID 28035427
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1007/s00128-016-2011-4