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Influence of crude oil exposure on cardiac function and thermal tolerance of juvenile rainbow trout and European sea bass ArchiMer
Anttila, Katja; Mauduit, Florian; Le Floch, Stephane; Claireaux, Guy; Nikinmaa, Mikko.
Oil spills pose a threat to aquatic organisms. However, the physiological effects of crude oil on cardiac function and on thermal tolerance of juvenile fish are still poorly understood. Consequently, in this paper, we will present results of two separate experiments where we exposed juvenile rainbow trout and European sea bass to crude oil and made cardiac thermal tolerances and maximum heart rate (fHmax) measurements after 1 week (rainbow trout) and 6-month recovery (sea bass). In both species, the fHmax was lower in crude oil-exposed fish than in the control ones at temperatures below the optimum but this difference disappeared at higher temperatures. More importantly, the oil-exposed fish had significantly higher Arrhenius break point temperature for...
Tipo: Text Palavras-chave: Arrhenius break point temperature; Critical thermalmaximum; CTMAX; Fish; Heart rate; Oil spill; PAH.
Ano: 2017 URL:
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