Department of Environment and Agriculture, Curtin University of Technology, GPO Box U1987, Perth, Western Australia 6845, Australia.
Comp Biochem Physiol C Toxicol Pharmacol. 2010 Sep;152(3):248-55. doi: 10.1016/j.cbpc.2010.04.012. Epub 2010 May 6.
Otolith metal concentrations may be related to the environmental exposure history of fish to contamination. Otoliths of pink snapper (Pagrus auratus) collected from the marine basin of Cockburn Sound and offshore near Rottnest Island were analysed by laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) to measure the concentrations of 11 trace metals. The following metals were investigated using their respective isotopes: aluminum (27Al), calcium (44Ca), manganese (55Mn), iron (57Fe), copper (65Cu), zinc (66Zn), strontium (88Sr), cadmium (111Cd), barium (138Ba), mercury (202Hg) and lead (208Pb). Significant differences in otolith metal concentrations were found between the sampling locations for Zn, Cd and Pb. These metals were significantly higher in the otolith edges of the pink snapper captured from the extensive industrial area bordering Cockburn Sound. Life history transects of Zn, Cd and Pb within otoliths of pink snapper sampled from Cockburn Sound typically showed temporal trends that may correspond to the movement of this fish species in and out of this contaminated area during the yearly spawning season.
耳石中的金属浓度可能与鱼类对污染的环境暴露史有关。通过激光烧蚀电感耦合等离子体质谱法（LA-ICP-MS）对来自科克本湾海洋盆地和罗特内斯特岛附近海域的粉鲷（Pagrus auratus）耳石进行分析，测量了 11 种痕量金属的浓度。使用相应的同位素研究了以下金属：铝（27Al）、钙（44Ca）、锰（55Mn）、铁（57Fe）、铜（65Cu）、锌（66Zn）、锶（88Sr）、镉（111Cd）、钡（138Ba）、汞（202Hg）和铅（208Pb）。在锌、镉和铅的采样地点之间发现耳石金属浓度存在显著差异。在毗邻科克本湾的广泛工业区捕获的粉鲷耳石边缘，这些金属的含量明显较高。从科克本湾采集的粉鲷耳石内锌、镉和铅的生活史横切通常显示出时间趋势，这可能与该鱼类物种在产卵季节进出污染区域的运动相对应。
