Organic contamination of surface sediments in the metropolitan coastal zone of Athens, Greece: Sources, degree, and ecological risk
2014
Kapsimalis, V. | Panagiotopoulos, I.P. | Talagani, P. | Hatzianestis, I. | Kaberi, H. | Rousakis, G. | Kanellopoulos, T.D. | Hatiris, G.A.
Bottom sediments represent a crucial component of the marine environment, since they constitute a habitat, a trophic resource, and a spawning place for various organisms. Unfortunately, the sediments of urban coastal areas are deeply impacted by anthropogenic activities that degrade their quality. In the Drapetsona–Keratsini metropolitan coastal zone of Athens, current industrial and shipping activities together with the effluents from a sewage outfall, which was in operation in the past, have resulted in one of the most contaminated sedimentary environments, in terms of organic compound loads, in Mediterranean. Exceptionally high concentrations of aliphatic hydrocarbons (up to 4457μgg−1), carcinogenic PAHs (up to 7284ngg−1), and organochlorines (up to 544ngg−1 for PCBs; up to 208ngg−1 for DDTs) constitute a major threat to the marine life of the associated Saronikos Gulf.
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