An integrated study of endocrine disruptors in sediments and reproduction-related parameters in bivalve molluscs from the Biosphere's Reserve of Urdaibai (Bay of Biscay)

作者：Puy Azurmendi Eunate; Ortiz Zarragoitia Maren; Kuster Marina; Martinez Elena; Guillamon Miriam; Dominguez Carmen; Serrano Teresa; Carmen Barbero Mari; Lopez de Alda Miren; Bayona Josep M; Barcelo Damia; Cajaraville Miren P^*

来源：Marine Environmental Research, 2010, 69: S63-S66.

DOI：10.1016/j.marenvres.2009.10.003

• Estrogenic hormones
• Bisphenol A
• Organotin compounds
• Alkylphenols
• Phthalates
• Vitellogenin-like protein levels
• Oocyte atresia and necrosis
• Biosphere s Reserve of Urdaibai
• Mussels Mytilus galloprovincialis
• Oysters Crassostrea sp

Urdaibai was declared a Biosphere s Reserve by UNESCO in 1984 Because we observed a high prevalence of hermaphroditism in mussels sampled in Urdaibai in March 2004 we started the present research work in order to determine the presence of endocrine disruptors (EDs) in sediments and to study possible EDs effects on mussels and oysters using gonad index and vitellogenin (VTG)-like protein levels as biomarkers Samples were collected at five localities in April 2007 and 2008 and in October 2007 Estrogenic hormones were not detected in sediments and levels of bisphenol A and organotin compounds were very low Alkylphenols were found at moderate levels and showed a time-dependent decrease Phthalates were found at levels up to 8000 ng/g High prevalence of oocyte atresia and necrosis occurred in mussels sampled in April Retarded gametogenesis was observed in an oyster population from a shipy

• 出版日期2010