您好，欢迎访问中国水产科学研究院 机构知识库！
中国水产科学研究院机构知识库

全部

  • 全部
  • 标题
  • 学者
  • 机构
  • 关键词

The life history and populations of chum salmon (Oncorhynchus keta) in China: An otolith isotopic investigation

文献类型： 外文期刊

作者： Wang, Jilong 1 ; Gao, Yongwen 3 ; Liu, Wei 1 ; Zhang, Hongyan 4 ; Dettman, David L. 5 ;

作者机构： 1.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Harbin 150070, Peoples R China

2.Minist Agr & Rural Affairs, Sci Observing & Expt Stn Fishery Resources & Envi, Harbin 150070, Peoples R China

3.Makah Fisheries Management, POB 115, Neah Bay, WA 98357, Australia

4.Eureka Aquat Res LLC, Ann Arbor, MI 48108 USA

5.Univ Arizona, Dept Geosci, Tucson, AZ 85721 USA

关键词： Otoliths; Stable isotopes; delta C-13 and delta O-18; Population structure; Chum salmon; China

期刊名称：APPLIED GEOCHEMISTRY （ 影响因子：2.903； 五年影响因子：3.3 ）

ISSN： 0883-2927

年卷期： 2021 年 127 卷

页码：

收录情况： SCI

摘要： Stable isotope ratios of otoliths (delta C-13 and delta O-18) can be used as a habitat index in anadromous fish, because there are marked differences between freshwater and marine settings. Here we report the results of 84 otoliths of chum salmon (Oncorhynchus keta) collected from three locations (Site-A, Site-B, and Site-C) in China, where all the estuaries for chum salmon ocean entry are located in Russia or North Korea and no biological observation data being obtained. In this study we adopted a blind-test protocol and applied stable isotope analyses in chum salmon otoliths. Two aragonite powder samples were taken from each otolith: one from the nucleus of otoliths; the other from the 2nd summer growth zones. Overall the delta C-13 values of chum salmon otoliths ranged from 10.9 to 4.0 parts per thousand, whereas delta O-18 values of the same samples ranged from 6.4 to +1.9 parts per thousand. Based on delta O-18 values at about 3.5 parts per thousand (the boundary line), two different spawning populations or stocks have been identified (p-value = 0.008). The Site-A samples were collected from the Amur River, while the Site-B samples were collected from the Tumen River. The Suifen River (Site-C) samples had some mixing with the Amur River chum salmon, but they were essentially classified into the Tumen River population. Comparison between our data and the previously reported sockeye salmon and chinook salmon data in North America indicated that the chum salmon in China are anadromous, and have the same life history from freshwater to marine as other populations over the world.

  • 相关文献
作者其他论文 更多>>
置顶
购物车
反馈

© 京ICP备09089781号-29 主办单位：中国水产科学研究院

学术资源： 中国农业科学院 农业专业知识服务系统 农科联盟资源共建共享平台 中国农业科技文献与信息服务平台 中国农业期刊集成服务平台