PCBs and DDTs in Surface Mangrove Sediments from the South of Iran (ID NO. 048)

Document Type : Original Research Paper

Authors

1 Center for Marine and Coastal Studies (CEMACS), Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia. Persian Gulf and Oman Sea Ecological Research Institute, Bandar Abbas , Hormozgan Province, Iran

2 Center for Marine and Coastal Studies (CEMACS), Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia. Section of Geography, School of Humanities, Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia

3 Faculty of Science and Environmental Studies, Universiti Putra Malaysia, Serdang43400, Selangor, Malaysia

4 Persian Gulf and Oman Sea Ecological Research Institute, Bandar Abbas , Hormozgan Province, Iran

Abstract

Mangrove sediments were collected during wet and dry seasons from nine stations in Khamir,
Laft and natural reservoir mangrove-dense areas of Hormozgan province in the south of Iran. Σ PCBs ranged from 5.33 to 15.5 ng/g dry weight and the dominant congener was no.153. Average Σ DDTs for Khamir and Laft mangroves were 16.58 ± 1.51 and 18.8 ± 9.98 ng/g dry weight. DDT was more abundant than DDE and DDD isomers, which indicated the input of DDT. The sediment quality guideline shows that the concentration of Σ PCBs were below the ER-M guideline, whereas levels of Σ DDTs were between ER-L and ER-M. The mangrove ecosystem in Hormozgan province is suffering from urban and industrial development.

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