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Tidal influence on the distribution of ...
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Document type :
Article dans une revue scientifique
DOI :
10.1016/j.envpol.2008.07.026
Title :
Tidal influence on the distribution of hydrophobic organic contaminants in the Seine Estuary and on their biological effects on the copepod Eurytemora affinis
Author(s) :
Cailleaud, K. [Auteur]
Forget-Leray, J. [Auteur]
Pehulet, L. [Auteur]
Lemenach, K. [Auteur]
SOUISSI, Sami [Auteur] refId
Laboratoire d’Océanologie et de Géosciences (LOG) - UMR 8187 [LOG]
Budzinski, H. [Auteur]
Journal title :
Environmental Pollution
Pages :
64-71
Publisher :
Elsevier
Publication date :
2009
ISSN :
0269-7491
HAL domain(s) :
Planète et Univers [physics]/Sciences de la Terre/Océanographie
English abstract : [en]
To elucidate tidally related variations of hydrophobic organic contaminant (HOC) bioavailability and the impact of these contaminants on estuarine ecosystems, both PCB and PAH concentrations were investigated in the dissolved ...
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To elucidate tidally related variations of hydrophobic organic contaminant (HOC) bioavailability and the impact of these contaminants on estuarine ecosystems, both PCB and PAH concentrations were investigated in the dissolved phase and in the suspended particulate material (SPM) of the Seine Estuary. Both PAH and PCB highest levels were observed in surface and bottom water when SPM remobilizations were maximum, in relation to higher speed currents. In parallel, acetylcholinesterase (AChE) and glutathione-AChE levels were measured during the tidal cycle and between surface and bottom copepods related to salinity and to HOC concentration variations. Significant increasing GST levels were also observed when HOC concentrations in the water column were the highest. This study underlined the need to standardize sampling procedures for biomonitoring studies in order to avoid interfering factors that could modify biomarker responses to chemical exposure.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Collections :
  • Laboratoire d'Océanologie et de Géosciences (LOG) - UMR 8187
Source :
Harvested from HAL
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