Title
Temporal distribution of accumulated metal mixtures in two feral fish species and the relation with condition metrics and community structure Temporal distribution of accumulated metal mixtures in two feral fish species and the relation with condition metrics and community structure
Author
Faculty/Department
Faculty of Sciences. Biology
Publication type
article
Publication
London ,
Subject
Chemistry
Biology
Source (journal)
Environmental pollution. - London
Volume/pages
197(2015) , p. 43-54
ISSN
0269-7491
ISI
000350921500006
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The present study investigated temporal influences on metal distribution in gudgeon (Gobio gobio) and roach (Rutilus rutilus), and its relation to condition metrics and fish community structure. Fish communities were sampled in two seasons (autumn and spring) during two successive years and the Index of Biotic Integrity (IBI) was calculated. Cadmium, Cu, Pb, Zn and As concentrations were measured in gill, liver, kidney and muscle, and condition factor (CF) and hepatosomatic index (HSI) were measured. Cadmium (max. 39.0 μg g−1 dw) and Zn (max 2502 μg g−1 dw) were most strongly stored in kidney and liver and periodical influences on metal accumulation were observed. CF appeared to be a stable metric related to accumulated metal-mixtures and was best related to hepatic levels, while the HSI was less useful. Relations between single metal accumulation and IBI were influenced by sample period, however, when taking into account multiple metals periodical influences disappeared.
E-info
https://repository.uantwerpen.be/docman/iruaauth/3483fc/b84ba2b0df8.pdf
Full text (open access)
https://repository.uantwerpen.be/docman/irua/400aef/8773.pdf
E-info
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