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Large-scale risk assessment of polycyclic aromatic hydrocarbons in shoreline sediments from Saudi Arabia: Environmental legacy after twelve years of the Gulf war oil spill

Bejarano, Adriana C ; Michel, Jacqueline

Environmental Pollution, 2010, Vol.158(5), pp.1561-1569 [Periódico revisado por pares]

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  • Título:
    Large-scale risk assessment of polycyclic aromatic hydrocarbons in shoreline sediments from Saudi Arabia: Environmental legacy after twelve years of the Gulf war oil spill
  • Autor: Bejarano, Adriana C ; Michel, Jacqueline
  • Assuntos: Pah Sediment Toxicity ; Pah Risk Assessment ; Oil Weathering ; Saudi Arabia Shoreline Habitats ; Gulf War Oil Spill ; Engineering ; Environmental Sciences ; Anatomy & Physiology
  • É parte de: Environmental Pollution, 2010, Vol.158(5), pp.1561-1569
  • Descrição: A large-scale assessment of polycyclic aromatic hydrocarbons (PAHs) from the 1991 Gulf War oil spill was performed for 2002–2003 sediment samples (  = 1679) collected from habitats along the shoreline of Saudi Arabia. Benthic sediment toxicity was characterized using the Equilibrium Partitioning Sediment Benchmark Toxic Unit approach for 43 PAHs (ESBTU ). Samples were assigned to risk categories according to ESBTU values: no-risk (≤1), low (>1–≤2), low-medium (>2–≤3), medium (>3–≤5) and high-risk (>5). Sixty seven percent of samples had ESBTU  > 1 indicating potential adverse ecological effects. Sediments from the 0–30 cm layer from tidal flats, and the >30–<60 cm layer from heavily oiled halophytes and mangroves had high frequency of high-risk samples. No-risk samples were characterized by chrysene enrichment and depletion of lighter molecular weight PAHs, while high-risk...
  • Idioma: Inglês

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