Visualization of strontium marking in dorsal fin rays of Megalobrama amblycephala for fish stocking

文献类型： 外文期刊

第一作者： Jiang, Tao

作者： Jiang, Tao;Liu, Hongbo;Chen, Xiubao;Xue, Junren;Yang, Jian;Zhu, Yahua;Phelps, Quinton

作者机构：

关键词： fishery restocking; stock enhancement; calcified tissue; chemical marking; microchemistry; effectiveness evaluation

期刊名称：JOURNAL OF OCEANOLOGY AND LIMNOLOGY （ 影响因子：1.3； 五年影响因子：1.5 ）

ISSN： 2096-5508

年卷期： 2025 年 43 卷 3 期

页码：

收录情况： SCI

摘要： Hatchery release is a common and effective practice for protecting and restoring wild resources, and the success of the practice is commonly assessed using mark-recapture technology. We investigated the use of different dimensional X-ray imaging techniques for the strontium (Sr) marking of fish fin rays for stocking. Megalobrama amblycephala juveniles were marked by culturing specimens in 800-mg/L SrCl26H2O solution, the cross-sections of dorsal fin rays were subsequently obtained, and the concentrations Sr was analyzed by 2D imaging using an electron probe X-ray microanalyzer. Our preliminary findings indicate that the immersion marking method is effective for the Sr marking of fin rays in experimental fish. Moreover, we generated a bird's-eye-view 3D mesh image of the Sr concentrations, which can provide a more comprehensive information for fish stocking than that using normal 2D imaging.

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