TOXICITY AND ORIGINS OF PAHS IN SEDIMENTS OF SHADEGAN WETLAND, IN KHUZESTAN PROVINCE, IRAN

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BEMANIKHARANAGH AKRAM; RIAHI BAKHTIARI ALIREZA; MOHAMMADI JAHANGARD; TAGHIZADEH MEHRJARDI RUHOLLAH

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Title

TOXICITY AND ORIGINS OF PAHS IN SEDIMENTS OF SHADEGAN WETLAND, IN KHUZESTAN PROVINCE, IRAN

Author(s)

BEMANIKHARANAGH AKRAM | RIAHI BAKHTIARI ALIREZA | MOHAMMADI JAHANGARD | TAGHIZADEH MEHRJARDI RUHOLLAH | Issue Writer Certificate

Keywords

TOXICITYQ2

ERLQ1

PETROGENICQ1

PAHQ1

SHADEGAN WETLANDQ1

Abstract

Background and purpose: SHADEGAN WETLAND as the largest wetland in Iran is constantly exposed to hydrocarbons entering through the main entrance of the lagoon including Jarahi River, outbursts of seasonal rivers from upstream, Persian Gulf tides from downstream, atmospheric deposition, and possible leaks from oil pipelines. The aim of this study was to investigate TOXICITY and identifying the sources and spatial distribution of polycyclic aromatic hydrocarbon (PAH) in surface sediments of the study area for its appropriate management.Materials and methods: Sediment samples were collected (in 2015) from 202 stations at the top 5 cm of the sediment according to a systematic-random sampling design. The concentrations of PAHs were analyzed by GC–MS.Results: The total PAHs (sum of 30 PAH compounds) ranged from 593.74 to 53393.86 ng/g dw. The results of diagnostic ratios indicated that the study area was highly contaminated by PETROGENIC hydrocarbon sources. The concentrations of PAHs in this research were substantially higher than those found in many other aquatic systems and significantly more than current sediment quality criteria (ERL).Conclusion: High levels of PETROGENIC contamination were found in sediments of SHADEGAN WETLAND. A vast majority of the study area (90%) is subjected to chronic pollution of oil contaminants that could adversely affect benthic biota.

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APA: Copy

BEMANIKHARANAGH, AKRAM, RIAHI BAKHTIARI, ALIREZA, MOHAMMADI, JAHANGARD, & TAGHIZADEH MEHRJARDI, RUHOLLAH. (2017). TOXICITY AND ORIGINS OF PAHS IN SEDIMENTS OF SHADEGAN WETLAND, IN KHUZESTAN PROVINCE, IRAN. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, 26(145), 304-317. SID. https://sid.ir/paper/45792/en

Vancouver: Copy

BEMANIKHARANAGH AKRAM, RIAHI BAKHTIARI ALIREZA, MOHAMMADI JAHANGARD, TAGHIZADEH MEHRJARDI RUHOLLAH. TOXICITY AND ORIGINS OF PAHS IN SEDIMENTS OF SHADEGAN WETLAND, IN KHUZESTAN PROVINCE, IRAN. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2017;26(145):304-317. Available from: https://sid.ir/paper/45792/en

IEEE: Copy

AKRAM BEMANIKHARANAGH, ALIREZA RIAHI BAKHTIARI, JAHANGARD MOHAMMADI, and RUHOLLAH TAGHIZADEH MEHRJARDI, “TOXICITY AND ORIGINS OF PAHS IN SEDIMENTS OF SHADEGAN WETLAND, IN KHUZESTAN PROVINCE, IRAN,” JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, vol. 26, no. 145, pp. 304–317, 2017, [Online]. Available: https://sid.ir/paper/45792/en

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