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Metal and metalloid concentrations in the southern African endemic inter- and infratidal super klipfish, Clinus superciliosus, from the west and south coasts of South Africa.

Authors :
Erasmus, Anja
Smit, Nico J.
Zimmermann, Sonja
Nachev, Milen
Sures, Bernd
Wepener, Victor
Source :
Marine Pollution Bulletin; Nov2021, Vol. 172, pN.PAG-N.PAG, 1p
Publication Year :
2021

Abstract

Clinus superciliosus was collected for element analysis from six localities along the South African west and south coasts. Concentrations in muscle and liver were determined, considering size and sex. No significant positive correlation between size and concentrations were detected, except for Mn and Sn in liver from Simons Town marina, while no significant differences in sex were detected. The majority of element concentrations were significantly higher in fish from Tsitsikamma in the Garden Route and the small town Chintsa, while some concentrations were significantly higher in muscle at Simons Town marina. Land-use activities had a limited role in element bioaccumulation in klipfish. Element concentrations were influenced by large scale oceanographic processes (currents; upwelling) and localised seasonal geogenic derived run-off. Limited data on element accumulation patterns of intertidal fish species in South Africa, highlights the need for long-term monitoring and further studies on different resident and transient intertidal fish species. [Display omitted] • Significantly higher element concentrations detected at pristine localities. • Hot spots of Sb and Sn at Simons Town marina • Upwelling appears to be a major diffuse source of high element concentrations. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
0025326X
Volume :
172
Database :
Supplemental Index
Journal :
Marine Pollution Bulletin
Publication Type :
Academic Journal
Accession number :
153121962
Full Text :
https://doi.org/10.1016/j.marpolbul.2021.112852