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A study of Potamogeton crispus L. and P.pectinatus L. plants as accumulative bioindicator of PAHs compounds pollutants in Diwaniyah River | ||
| Euphrates Journal of Agriculture Science | ||
| Article 1, Volume 7, Issue 1, 2015, Pages 11-22 | ||
| Author | ||
| Saad Wali Alwan | ||
| Abstract | ||
| Abstract: The current study intended to identification and measurement of polycyclic aromatic hydrocarbons (PAHs) concentrations and their bioaccumulation in two species of Potamogetonaceae ; potamogeton crispus and P.pectinatus from three stations in Diwaniyah River during growth period from Jan.-Jun.2012.The results of study showed that the total PAHs concentrations ranged between (1.1-52.4 and 2.05-13.99 µg/g dry weight) and 4-rings PAHs group was recorded high concentration of (0.418-4.124) and (0.318-8.072 µg/g DW) for both plants respectively. Therefore, the study investigated dominance in compositional pattern for this group of (63.3 and 60.1%) at first site during the growth period for both plants respectively. The statistical analysis showed no significant differences between plants while the study stations were significantly different especially in south Diwaniyah city. The present study showed that the main sources of low molecular weight is incomplete combustion of oil and derivatives (pyrogenic origin) at study region while the source of high molecular weight is an oil spill and municipal wastewater (pathogenic origin). | ||
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