Bioaccumulation and biomagnification of potentially toxic elements in the octopus Octopus hubbsorum from the Gulf of California

被引：18
|
作者：
Roldan-Wong, Nefertiti Tayde [1 ]
Kidd, Karen A. [2 ,3 ,4 ,5 ]
Marmolejo-Rodriguez, Ana Judith [1 ]
Ceballos-Vazquez, Bertha Patricia [1 ]
Shumilin, Evgueni [1 ]
Arellano-Martinez, Marcial [1 ]
机构：
[1] Inst Politecn Nacl, Ctr Interdisciplinario Ciencias Marinas, Av Inst Politecn Nacl S-N, La Paz 23096, BCS, Mexico
[2] Univ New Brunswick, Canadian Rivers Inst, 100 Tucker Pk Rd,POB 5050, St John, NB E2L 4L5, Canada
[3] Univ New Brunswick, Biol Dept, 100 Tucker Pk Rd,POB 5050, St John, NB E2L 4L5, Canada
[4] McMaster Univ, Dept Biol, 1280 Main St West, Hamilton, ON L8S 4K1, Canada
[5] McMaster Univ, Sch Geog & Earth Sci, 1280 Main St West, Hamilton, ON L8S 4K1, Canada
来源：
MARINE POLLUTION BULLETIN | 2018年 / 129卷 / 02期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Cephalopod; Metals; Ecotoxicology; Human exposure; Mexico; DIGESTIVE GLAND; SUBCELLULAR-DISTRIBUTION; METAL CONCENTRATIONS; SEPIA-OFFICINALIS; ELEDONE-CIRRHOSA; BAJA-CALIFORNIA; TRACE-ELEMENTS; HEAVY-METALS; TISSUES; VULGARIS;
D O I：
10.1016/j.marpolbul.2017.10.014
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The concentrations of 21 potentially toxic elements (PTEs) were determined in the tissues of Octopus hubbsorum from three locations along the Gulf of California coast: two near Santa Rosalia (SR), a site with historical metal contamination, and one in La Paz Bay, a reference site. Concentrations of Cd, Co, Cr, Mn, Ni, Pb, and Zn in octopus from the two SR sites were higher than those from the reference site, reflecting the higher sediment concentrations at the mining-impacted locations. The highest bioaccumulation and biomagnification of elements was found in digestive gland and branchial hearts, while the lowest was observed in the mantle, where the mean concentration of PTEs did not exceed international standards for human consumption of octopus. This study found elevated PTEs in octopus from sites with high metal contamination, and presents the first data on these elements in octopus from the Gulf of California.
引用
收藏
页码：458 / 468
页数：11
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