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Imposex levels and concentrations of organotin compounds (TBT and its metabolites) in Nassarius nitidus from the Lagoon of Venice
Pavoni, B.; Centanni, E.; Valcanover, S.; Fasolato, M.; Ceccato, S.; Tagliapietra, D. (2007). Imposex levels and concentrations of organotin compounds (TBT and its metabolites) in Nassarius nitidus from the Lagoon of Venice, in: Zonta, R. et al. (Ed.) Measuring and managing changes in estuaries and lagoons. Marine Pollution Bulletin, 55(Spec. Issue 10-12): pp. 505-511
In: Zonta, R. et al. (Ed.) (2007). Measuring and managing changes in estuaries and lagoons. Marine Pollution Bulletin, 55(Spec. Issue 10-12). Elsevier: Amsterdam. 403-602 pp., more
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X, more
Peer reviewed article  

Also published as
  • Pavoni, B.; Centanni, E.; Valcanover, S.; Fasolato, M.; Ceccato, S.; Tagliapietra, D. (2007). Imposex levels and concentrations of organotin compounds (TBT and its metabolites) in Nassarius nitidus from the Lagoon of Venice. Mar. Pollut. Bull. 55(10-12): 505-511. dx.doi.org/10.1016/j.marpolbul.2007.09.012, more

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Keywords
    Imposex; Tributyltin; Nassarius nitidus (Jeffreys, 1867) [WoRMS]; MED, Italy, Veneto, Venice Lagoon [Marine Regions]; Marine

Authors  Top 
  • Pavoni, B.
  • Centanni, E.
  • Valcanover, S.
  • Fasolato, M.
  • Ceccato, S.
  • Tagliapietra, D.

Abstract
    Specimens of Nassarius nitidus were collected in seven stations of the Venice Lagoon to assess the levels of tributyltin (TBT) and its metabolites monobutyltin and dibutyltin in the tissues and monitor their effect on organisms, in particular the phenomenon of imposex (superimposition of male sexual characteristics on females). The following values of population indices were found: vas deferens sequence: 1.2 ± 0.7-4.0 ± 0.5; relative penis length: 6-47%. The least impacted station was situated in the northern part of the Lagoon, where females without imposex were found and Butyltin (BuTs) concentrations in the organisms (average sum of BuTs = 43 ± 14 ng Sn g-1 w.) were significantly lower than in the other stations (range of average sum of BuTs: 101 ± 22-217 ± 27 ng Sn g-1 d.w.). Population indices were found to be related to the TBT content in the tissues. In particular VDSI had a significant logarithmic correlation: r = 0.95, n = 8, p < 0.05.

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