【摘要】 水环境中化学元素会有规律性地在鱼类耳石上沉积。耳石可作为生境"指纹"标签的独特属性使其更能有效地应用于鱼类资源时空动态的研究。现针对了解较少的海洋鱼类耳石微化学所涉及的主要元素,综述了Sr:Ca值和多元素组合在这些鱼类生活史重建、迁移模式反演和资源种群识别上的研究进展。进展显示,海水中Sr:Ca值的微小变化可以通过在海洋鱼类耳石中的元素积累而放大,有助于把握鱼类的种间差异或种内不同发育阶段个体的差异。耳石中多元素组合的分析,亦可有效解释海洋鱼类生活史不同阶段间的生境转换和洄游特征,甚至"破译"复杂的资源种群结构。耳石微化学在海洋鱼类养护研究上具有极大的潜力,相关研究需要在我国得到更多的重视和更大的支持。更多还原

【Abstract】 Elements in ambient water regularly incorporate into fish otoliths. The extraordinary properties of habitat "fingerprint" tag, kept in otolith, provide this organ more advantages beyond traditional methods to investigate the spatial and temporal dynamics of fish resource. Unfortunately, few corresponding literature summaries is available for marine fish. Therefore, this paper reviewed the recent advances of Sr:Ca ratios and multi-elemental compositions on migratory pattern reconstruction and stock discrimination of marine fish, focused on the main elements involved in otolith microchemistry studies. Little variation in seawater Sr:Ca ratios can be considerably amplified in otoliths of marine fishes and facilitates to understand the interspecies differences and variations of one species at different ontogenetic stages. Besides, multi-elemental compositions in otolith can also be very useful to reveal fish habitat shifts, migration patterns and complex stock structures. Otolith microchemistry has widely applicable potentials in conservation studies of marine fish. More attentions and financial supports to corresponding research projects are needed in China.更多还原