Toxicity in semiarid sediments influenced by tailings of an abandoned gold mine

A. S. Sobrino-Figueroa; O. F. Becerra-Rueda; V. R. Magallanes-Ordóñez; A. Sánchez-González; A. J. Marmolejo-Rodríguez

doi:10.1007/s10661-014-4158-y

Toxicity in semiarid sediments influenced by tailings of an abandoned gold mine

A. S. Sobrino-Figueroa, O. F. Becerra-Rueda, V. R. Magallanes-Ordóñez, A. Sánchez-González, A. J. Marmolejo-Rodríguez

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

11 Scopus citations

Abstract

The mining district of El Triunfo (ET-MD) has an estimated 800,000 t of mine wastes scattered in the environment, contaminating the sediment with potentially toxic elements such as As, Cd, Pb, and Zn. In order to estimate the toxicity of the sediment to the adjacent biota, the aims of our study are to calculate the mortality and inhibition through bioassays, using sediment, and test organisms such as Daphnia magna and Selenastrum capricornutum (Pseudokirchneriella subcapitata), respectively. The D. magna mortality was 31 ± 12 % and the S. capricornutum growth inhibition was 53 ± 24 %. The contamination of the sediment determines the high mortality of D. magna and the high inhibition of S. capricornutum in the system, indicating risk for the biota in the contaminated system.

Original language	English
Article number	4158
Pages (from-to)	1-8
Number of pages	8
Journal	Environmental Monitoring and Assessment
Volume	187
Issue number	1
DOIs	https://doi.org/10.1007/s10661-014-4158-y
State	Published - 20 Nov 2015
Externally published	Yes

Keywords

Arsenic
D. magna
Heavy metals
S. capricornutum
Sediment

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10.1007/s10661-014-4158-y

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title = "Toxicity in semiarid sediments influenced by tailings of an abandoned gold mine",

abstract = "The mining district of El Triunfo (ET-MD) has an estimated 800,000 t of mine wastes scattered in the environment, contaminating the sediment with potentially toxic elements such as As, Cd, Pb, and Zn. In order to estimate the toxicity of the sediment to the adjacent biota, the aims of our study are to calculate the mortality and inhibition through bioassays, using sediment, and test organisms such as Daphnia magna and Selenastrum capricornutum (Pseudokirchneriella subcapitata), respectively. The D. magna mortality was 31 ± 12 % and the S. capricornutum growth inhibition was 53 ± 24 %. The contamination of the sediment determines the high mortality of D. magna and the high inhibition of S. capricornutum in the system, indicating risk for the biota in the contaminated system.",

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AU - Sobrino-Figueroa, A. S.

AU - Becerra-Rueda, O. F.

AU - Magallanes-Ordóñez, V. R.

AU - Sánchez-González, A.

AU - Marmolejo-Rodríguez, A. J.

PY - 2015/11/20

Y1 - 2015/11/20

N2 - The mining district of El Triunfo (ET-MD) has an estimated 800,000 t of mine wastes scattered in the environment, contaminating the sediment with potentially toxic elements such as As, Cd, Pb, and Zn. In order to estimate the toxicity of the sediment to the adjacent biota, the aims of our study are to calculate the mortality and inhibition through bioassays, using sediment, and test organisms such as Daphnia magna and Selenastrum capricornutum (Pseudokirchneriella subcapitata), respectively. The D. magna mortality was 31 ± 12 % and the S. capricornutum growth inhibition was 53 ± 24 %. The contamination of the sediment determines the high mortality of D. magna and the high inhibition of S. capricornutum in the system, indicating risk for the biota in the contaminated system.

AB - The mining district of El Triunfo (ET-MD) has an estimated 800,000 t of mine wastes scattered in the environment, contaminating the sediment with potentially toxic elements such as As, Cd, Pb, and Zn. In order to estimate the toxicity of the sediment to the adjacent biota, the aims of our study are to calculate the mortality and inhibition through bioassays, using sediment, and test organisms such as Daphnia magna and Selenastrum capricornutum (Pseudokirchneriella subcapitata), respectively. The D. magna mortality was 31 ± 12 % and the S. capricornutum growth inhibition was 53 ± 24 %. The contamination of the sediment determines the high mortality of D. magna and the high inhibition of S. capricornutum in the system, indicating risk for the biota in the contaminated system.

KW - Arsenic

KW - D. magna

KW - Heavy metals

KW - S. capricornutum

KW - Sediment

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DO - 10.1007/s10661-014-4158-y

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JO - Environmental Monitoring and Assessment

JF - Environmental Monitoring and Assessment

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M1 - 4158

ER -

Toxicity in semiarid sediments influenced by tailings of an abandoned gold mine

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Keywords

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