Many studies document the chemical stress related to organochlorine (OC) xenobiotics in Mediterranean cetaceans. The aim of this study was to establish a theoretical model to evaluate the hazard to Mediterranean striped dolphins (Stenella coeruleoalba) due to HCB, DDTs and PCB congeners. Differences in OC levels in blubber of stranded and free-ranging specimens enabled us to evaluate the hazard associated with different chlorinated xenobiotics, taking the live population as control sample, assumed to be in good health. For the most toxic compounds, with teratogenic, mutagenic, carcinogenic and endocrine disrupting capacity, we indicate levels beyond which there can be toxicological hazard for the striped dolphin. Using a mathematical formula derived from knowledge of the length and age of 62 stranded specimens, the age of dolphins was estimated and sexual maturity was identified at nine years. This evaluation was important for understanding differences in contaminant burden between males and females.
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|Titolo:||Theoretical models to evaluate hazard due to organochlorine compounds (OCs) in Mediterranean striped dolphin (Stenella coeruleoalba)|
|Citazione:||Marsili, L., D'Agostino, A., Bucalossi, D., Malatesta, T., & Fossi, M.C. (2004). Theoretical models to evaluate hazard due to organochlorine compounds (OCs) in Mediterranean striped dolphin (Stenella coeruleoalba). CHEMOSPHERE, 56(8), 791-801.|
|Appare nelle tipologie:||1.1 Articolo in rivista|