Effects of heavy metals on sea urchin embryo development. Part 2. Interactive toxic effects of heavy metals in synthetic mine effluents

作者: Naomasa Kobayashi , Hideo Okamura

DOI: 10.1016/J.CHEMOSPHERE.2005.02.071

关键词:

摘要: Interactive toxic effects between heavy metals were investigated using a sea urchin (Anthocidaris crassispina) bioassay. An effluent from an abandoned mine showed significant inhibitory on embryo development as well producing specific malformations. The the embryos reproduced by synthetic polluted seawater consisting of eight (manganese, lead, cadmium, nickel, zinc, chromium, iron, and copper) at concentrations detected in effluent. This indicated that responsible for observed. Five ranked decreasing order toxicity follows: Cu > Zn Pb Fe Mn. Among these, zinc manganese could cause malformation embryos. From bioassay results 27 combinations metals, 16 including produce malformations, such radialized, exo-gastrulal, spaceship Apollo-like gastrulal Zinc was one elements causing malformations its intensified presence other manganese, copper.

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