Interannual variability in otolith biogeochemical signatures of Japanese Spanish mackerel in the Yellow Sea
文献类型： 外文期刊
作者： Pan, Xindong 1 ; Ye, Zhenjiang 1 ; Wo, Jia 4 ; Xing, Qingwang 1 ; Yang, Jian 5 ; Chen, Yong 6 ; Tian, Yongjun 1 ;
作者机构： 1.Ocean Univ China, Deep Sea & Polar Fisheries Res Ctr, Qingdao 266100, Peoples R China
2.Ocean Univ China, Key Lab Mariculture, Minist Educ, Qingdao 266100, Peoples R China
3.Ocean Univ China, Frontiers Sci Ctr Deep Ocean Multispheres & Earth, Qingdao 266237, Peoples R China
4.Ocean Univ China, Coll Fisheries, Lab Fisheries Ecosyst Monitoring & Assessment, Qingdao 266003, Peoples R China
5.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Ecol Environm & Resources Inland Fisheries, Wuxi 214081, Peoples R China
6.SUNY Stony Brook, Affiliated Fac Inst Adv Computat Sci, Sch Marine & Atmospher Sci, Stony Brook, NY 11794 USA
关键词： Migrations; Otolith biogeochemical signatures; Scomberomorus niphonius; The Yellow Sea
期刊名称：JOURNAL OF MARINE SYSTEMS （ 影响因子：2.8； 五年影响因子：2.8 ）
ISSN： 0924-7963
年卷期： 2024 年 242 卷
页码：
收录情况： SCI
摘要： Fishes often use multiple habitats to complete their life cycles, leading to their unique otolith biogeochemical signatures. Interannual variability in otolith biogeochemical signatures is expected as fish respond to annual environmental variations in their distribution areas. In this study, we focus on Japanese Spanish mackerel Scomberomorus niphonius, an abundant commercial species in the Yellow Sea. As highly migratory fish that undergo their entire migratory cycle in a year, S. niphonius is susceptible to environmental variations. Consequently, they are believed to exhibit discernibly distinct migration patterns and varying timings of ontogenetic events across different years. Otolith biogeochemical signatures of 1-year-old spawning adults S. niphonius caught in the Yellow Sea from 2016 to 2018 were measured from core to edge using laser ablation inductively coupled plasma mass spectrometry (LAICP-MS). We hypothesized that the year-specific chemical signature could be found in 2016 as a strong El Nin similar to o Southern Oscillation event happened. From 2016 to 2018, converse ontogenetic changing patterns was observed for Sr/Ca and Ba/Ca, with Sr/Ca being positively correlated with sea surface salinity while Ba/Ca being negatively. As expected, the year-specific effect was identified for 2016 cohort but it was only significant on Ba/Ca. During this year, a stronger variation of elemental concentration and an earlier downward shift of Ba/Ca were found. These results provide evidence that otolith biogeochemical signatures have useful applications as natural tags, helping understand the interannual variability in migration of marine fish species.
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