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Título

Muscular cholinesterase activities and lipid peroxidation levels as biomarkers in several Mediterranean marine fish species and their relationship with ecological variables

AutorSolé, Montserrat ; Baena, Miguel ; Arnau, Susana ; Carrasson, Maite; Maynou, Francesc ; Cartes, Joan Enric
Palabras claveCholinesterases
Lipid peroxidation
Ecological parameters
Marine fish
NW Mediterranean
Fecha de publicaciónfeb-2010
EditorElsevier
CitaciónEnvironmental International 36(2): 202-211 (2010)
ResumenMuscular cholinesterase activities, as potential markers of neurotoxic exposure, and lipid peroxidation levels, indicative of oxidative stress damage, both currently used in early-warning pollution monitoring, were characterised in eighteen fish species of ecologic and/or economic importance. These species comprise five orders and eleven families of teleosts and two species of elasmobranchs, feed using different strategies (benthic, epibenthic, endobenthic and pelagic), belong to different trophic levels and express different swimming behaviour. Their habitat ranges from 50 to 60 m (shallow or continental shelf) and 600 to 850 m (middle continental slope). Sampling took place in front of the Barcelona coast (NW Mediterranean) during four seasonal cruises in 2007. In the summer sampling, another site potentially exposed to a different pollution load (Vilanova) was included for comparison. Species, seasonal and site differences were tested and discussed in relation to chemical analysis of the local sediment, systematic position, habitat depth, feeding strategy, trophic level and swimming activity. Greater inter species differences rather than seasonal or site trends were seen in accordance to little pollution fluctuations. Higher cholinesterase activities were recorded in suprabenthos feeders, regardless of depth habitat, whereas LP levels were similar in all species except for the shark Scyliorhinus canicula in which they were consistently elevated. This study confirms and broadens former observations carried out with a more reduced number of fish species (Solé et al., 2008a)
Descripción10 pages, 5 figures, 6 tables
Versión del editorhttp://dx.doi.org/10.1016/j.envint.2009.11.008
URIhttp://hdl.handle.net/10261/20392
DOI10.1016/j.envint.2009.11.008
ISSN0160-4120
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