Trace Elements in Tissues of Whale Sharks (Rhincodon typus) Stranded in the Gulf of California, Mexico

被引：11
|
作者：
Pancaldi, F. [1 ]
Paez-Osuna, F. [2 ]
Soto-Jimenez, M. F. [2 ]
Gonzalez-Armas, R. [1 ]
O'Hara, T. [3 ]
Marmolejo-Rodriguez, A. J. [1 ]
Vazquez, A. [4 ]
Galvan-Magana, F. [1 ]
机构：
[1] Inst Politecn Nacl, Ctr Interdisciplinario Ciencias Marinas, Av IPN S-N, La Paz 23096, Bcs, Mexico
[2] UNAM, Inst Ciencias Mar & Limnol, Unidad Acad Mazatlan, Mazatlan, Sinaloa, Mexico
[3] Univ Alaska, Dept Vet Med, Fairbanks, AK 99775 USA
[4] Asociac Pesca Deport & Ecoturismo Bahia De Los An, Bahia De Los Angeles 22980, Baja California, Mexico
来源：
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2019年 / 103卷 / 04期
关键词：
Trace elements; Whale shark; Gulf of California; Se; Hg molar ratios; Tissue distribution; OXIDATIVE STRESS INDICATORS; RAINBOW-TROUT; EAST-COAST; PRIONACE-GLAUCA; SELENIUM; MERCURY; POLLUTION; ECOLOGY; BIOLOGY; HEALTH;
D O I：
10.1007/s00128-019-02640-y
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Concentration of essential (Se, Zn and Cu) and non-essential (As, Cd, Hg and Pb) trace elements were measured in selected tissues of two dead whale sharks (Rhincodon typus) stranded in the Gulf of California (GC) in 2017 and 2018. Concentrations of Cd and Pb in the skeletal muscle of the whale shark from La Paz Bay, GC were higher compared to a previous study on whale shark from China. The shark from La Paz Bay also presented higher concentration of Pb in the epidermis, compared to the same tissue of the other whale shark stranded in Punta Bufeo, GC. The Hg in all analysed tissues was lower than those documented in carnivorous sharks. Molar ratio Se:Hg shows an excess of Se over Hg in all the tissues sampled in both sharks.
引用
收藏
页码：515 / 520
页数：6
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