| Abstrakt: |
Metal concentrations were measured in predominant coastal fauna of the Caspian Sea including six macro-invertebrates (Mnemiposis leidyi, Balanus improvisus, Pontogammarus maeoticus, Palaemon adspersus, Cerastoderma glucaum and Adacna vitrea) and three species of small fish (Atherina caspia, Neogobius caspius and N. pallasi) to determine potential bio-indicators (for the first time to our knowledge). It is to be noted that metal concentrations have also never been reported in M. leidyi and A. vitrea. The lowest levels of metal were observed in muscles of fishes. Most of metals were detectable in the macro-plankton M. leidyi suggesting that this species could be used for water pollution monitoring, worldwide. Our results suggest the use of C. glucaum and A. vitrea as indicators of Ni and Cd contamination, respectively. B. improvisus has a high potential as an indicator for Zn and Cu pollution, while P. adspersus and P. maeoticus showed this capacity for Cu. This study provides a baseline for biomonitoring programs elsewhere in the Caspian Sea. Furthermore, the species C. glucaum and B. improvisus could be used for comparisons of metal contamination worldwide. [ABSTRACT FROM AUTHOR] |
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