Distribution and sources of organochlorinated contaminants in sediments from Izmir Bay (Eastern Aegean Sea)

PAZI İ., Kucuksezgin F., GÖNÜL L. T.

MARINE POLLUTION BULLETIN, vol.62, no.5, pp.1115-1119, 2011 (SCI-Expanded) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 62 Issue: 5
  • Publication Date: 2011
  • Doi Number: 10.1016/j.marpolbul.2011.03.016
  • Journal Name: MARINE POLLUTION BULLETIN
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.1115-1119
  • Keywords: Organochlorines, Pesticide, Sediment, Organic pollutants, Izmir Bay, Eastern Aegean Sea, PEARL RIVER DELTA, POLYCHLORINATED-BIPHENYLS, HEAVY-METAL, HYDROCARBON CONCENTRATIONS, SURFACE SEDIMENTS, PESTICIDES OCPS, MARINE, CHINA, PCBS, DDT
  • Dokuz Eylül University Affiliated: Yes

Abstract

Eighteen surface sediment samples representative of the entire Izmir Bay were analyzed for organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs). This was in order to provide extensive information concerning the recent deposition of these compounds in this area, together with levels, distribution, possible sources and potential biological risk. Sites that were contaminated by high concentrations of organochlorine compounds were associated with dense population, such as the harbour and the Gediz River estuary. Relatively higher Sigma DDT concentrations and high DDT/DDE + DOD ratios in the Gediz River estuary indicated DDT usage, probably linked to public health emergencies. According to the established guidelines for sediment quality, the risk of adverse biological effects from such levels of OCPs and PCBs as recorded at most of the study sites was insignificant. But the higher concentrations in Inner bay and in the Gediz River estuary could cause biological damage. (C) 2011 Elsevier Ltd. All rights reserved.