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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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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. Mar. Pollut. Bull. 55(10-12): 505-511. https://dx.doi.org/10.1016/j.marpolbul.2007.09.012 In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, meer Ook verschenen in: Zonta, R.; Guerzoni, S.; De Jonge, V.N.; Pérez-Ruzafa, A. (Ed.) (2007). Measuring and managing changes in estuaries and lagoons. Marine Pollution Bulletin, 55(Spec. Issue 10-12). Elsevier: Amsterdam. 403-602 pp., meer

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Beschikbaar in	Auteurs
VLIZ: Non-open access 353861 [ aanvragen ]

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Trefwoorden

Imposex Tributyltin Nassarius nitidus (Jeffreys, 1867) [WoRMS] MED, Italy, Veneto, Venice Lagoon [Marine Regions] Marien/Kust

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

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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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