Abstract
Elektroliti i teški metali u celomskoj tekućini morskog ježinca Arbacia lixula iz Jadranskog mora: biokemijski pristup ekotoksikološkoj studiji
Highlights
Shapiro Wilk W test showed that chromium concentrations had significant deviation from normal distribution (p=0.034), while cadmium and cobalt concentrations had normal distribution (0.743 and 0.390 respectively), regardless of their high coefficients of variation (Fig. 2.)
S. Kumar: Heavy Metal Concentration of Sea Water and Marine Organisms in Ennore Creek, Southeast Coast of India, The Journal of Toxicology and Health, 2013, Vol 103, pp
Summary
The main circulatory medium of echinoderms is the coelomic fluid. Biochemistry of coelomic fluid is very complex and slightly different from seawater. The main aim of this research was to analyse concentration of electrolytes (potassium, calcium, magnesium, chlorine and sodium), heavy metals (lead, chromium, cadmium and cobalt) and iron in coelomic fluid of sea urchin, Arbacia lixula as an indirect indicator of seawater contamination. After precise statistical evaluation it was observed that electrolyte concentrations were; Na 189.20±11.41 mmol/l, Cl 134.06±37.08 mmol/l, Mg 4.24±1.08 mmol/l, Ca 3.04±0.84 mmol/l. Biochemical content of heavy metals in coelomic fluid was; Co 1.292±0.879 ppm, Pb 0.644±0.131 ppm, Cr 0.116±0.055 ppm, Cd 0.031±0.017 ppm and iron 0.259±0.058 ppm, and it depends on the potential accumulation level in the organism. The composition of electrolyte and heavy metal content varies depending on the composition of seawater. 551.464(262.3) Original scientific paper / Izvorni znanstveni rad Paper accepted / Rukopis primljen: 15. 10. 2018
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