Mercury Concentrations and Se:Hg Molar Ratios in Flyingfish (Exocoetus volitans) and Squid (Uroteuthis chinensis)

Xueying Wang; Libin Wu; Jing Sun; Yangyang Wei; Yongli Zhou; Zixuan Rao; Linxi Yuan; Xiaodong Liu

doi:10.1007/s00128-018-2369-6

Mercury Concentrations and Se:Hg Molar Ratios in Flyingfish (Exocoetus volitans) and Squid (Uroteuthis chinensis)

Xueying Wang, Libin Wu, Jing Sun, Yangyang Wei, Yongli Zhou, Zixuan Rao, Linxi Yuan, Xiaodong Liu^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

We measured total mercury (Hg) and selenium (Se) concentrations as well as stable nitrogen (N) isotopic composition in flyingfish and squid muscle tissues from the eastern Indian Ocean and western South China Sea. The results showed that the mean Hg concentration in squid muscle from the western South China Sea was lower than that in the eastern Indian Ocean. The Hg concentrations in flyingfish and squid muscle samples were positively correlated with organism size (length and weight) and δ¹⁵N in all the study areas. Furthermore, we found a negative correlation between Se and Hg in molar content of flyingfish and squid muscle from the western South China Sea. The Se:Hg molar ratio was significantly negative correlated with fish weight and δ¹⁵N, suggesting that the Se:Hg molar ratio decreases with the increase of fish size and trophic level in the food web.

Original language	English
Pages (from-to)	42-48
Number of pages	7
Journal	Bulletin of Environmental Contamination and Toxicology
Volume	101
Issue number	1
DOIs	https://doi.org/10.1007/s00128-018-2369-6
Publication status	Published - 1 Jul 2018
Externally published	Yes

Keywords

Flyingfish
Mercury
Se:Hg molar ratio
Selenium
Squid

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10.1007/s00128-018-2369-6

Cite this

Wang, X., Wu, L., Sun, J., Wei, Y., Zhou, Y., Rao, Z., Yuan, L., & Liu, X. (2018). Mercury Concentrations and Se:Hg Molar Ratios in Flyingfish (Exocoetus volitans) and Squid (Uroteuthis chinensis). Bulletin of Environmental Contamination and Toxicology, 101(1), 42-48. https://doi.org/10.1007/s00128-018-2369-6

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title = "Mercury Concentrations and Se:Hg Molar Ratios in Flyingfish (Exocoetus volitans) and Squid (Uroteuthis chinensis)",

abstract = "We measured total mercury (Hg) and selenium (Se) concentrations as well as stable nitrogen (N) isotopic composition in flyingfish and squid muscle tissues from the eastern Indian Ocean and western South China Sea. The results showed that the mean Hg concentration in squid muscle from the western South China Sea was lower than that in the eastern Indian Ocean. The Hg concentrations in flyingfish and squid muscle samples were positively correlated with organism size (length and weight) and δ15N in all the study areas. Furthermore, we found a negative correlation between Se and Hg in molar content of flyingfish and squid muscle from the western South China Sea. The Se:Hg molar ratio was significantly negative correlated with fish weight and δ15N, suggesting that the Se:Hg molar ratio decreases with the increase of fish size and trophic level in the food web.",

keywords = "Flyingfish, Mercury, Se:Hg molar ratio, Selenium, Squid",

author = "Xueying Wang and Libin Wu and Jing Sun and Yangyang Wei and Yongli Zhou and Zixuan Rao and Linxi Yuan and Xiaodong Liu",

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T1 - Mercury Concentrations and Se:Hg Molar Ratios in Flyingfish (Exocoetus volitans) and Squid (Uroteuthis chinensis)

AU - Wang, Xueying

AU - Wu, Libin

AU - Sun, Jing

AU - Wei, Yangyang

AU - Zhou, Yongli

AU - Rao, Zixuan

AU - Yuan, Linxi

AU - Liu, Xiaodong

PY - 2018/7/1

Y1 - 2018/7/1

N2 - We measured total mercury (Hg) and selenium (Se) concentrations as well as stable nitrogen (N) isotopic composition in flyingfish and squid muscle tissues from the eastern Indian Ocean and western South China Sea. The results showed that the mean Hg concentration in squid muscle from the western South China Sea was lower than that in the eastern Indian Ocean. The Hg concentrations in flyingfish and squid muscle samples were positively correlated with organism size (length and weight) and δ15N in all the study areas. Furthermore, we found a negative correlation between Se and Hg in molar content of flyingfish and squid muscle from the western South China Sea. The Se:Hg molar ratio was significantly negative correlated with fish weight and δ15N, suggesting that the Se:Hg molar ratio decreases with the increase of fish size and trophic level in the food web.

AB - We measured total mercury (Hg) and selenium (Se) concentrations as well as stable nitrogen (N) isotopic composition in flyingfish and squid muscle tissues from the eastern Indian Ocean and western South China Sea. The results showed that the mean Hg concentration in squid muscle from the western South China Sea was lower than that in the eastern Indian Ocean. The Hg concentrations in flyingfish and squid muscle samples were positively correlated with organism size (length and weight) and δ15N in all the study areas. Furthermore, we found a negative correlation between Se and Hg in molar content of flyingfish and squid muscle from the western South China Sea. The Se:Hg molar ratio was significantly negative correlated with fish weight and δ15N, suggesting that the Se:Hg molar ratio decreases with the increase of fish size and trophic level in the food web.

KW - Flyingfish

KW - Mercury

KW - Se:Hg molar ratio

KW - Selenium

KW - Squid

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SN - 0007-4861

VL - 101

SP - 42

EP - 48

JO - Bulletin of Environmental Contamination and Toxicology

JF - Bulletin of Environmental Contamination and Toxicology

IS - 1

ER -

Mercury Concentrations and Se:Hg Molar Ratios in Flyingfish (Exocoetus volitans) and Squid (Uroteuthis chinensis)

Abstract

Keywords

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