Feasibility of using non-lethally obtained fin tissue to determine delta C-13 and delta N-15 of Gymnocypris fish in the Lake Langcuo of Tibetan plateau, China
文献类型： 外文期刊
作者： Zhang, Zepeng P. 1 ; Ma, Bo 1 ; Jin, Hongyu Y. 1 ; Jin, Xing 1 ; Li, Lei 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Minist Agr China, Scientif Observing & Expt Stn Fishes Resources &, Harbin, Peoples R China
2.Chinese Acad Fishery Sci, Yingkou Enhancement & Expt Stn, Yingkou, Peoples R China
期刊名称：JOURNAL OF APPLIED ICHTHYOLOGY （ 影响因子：1.222； 五年影响因子：0.983 ）
ISSN： 0175-8659
年卷期： 2022 年 38 卷 6 期
页码：
收录情况： SCI
摘要： Traditional techniques for stable isotope analysis (SIA) generally require sacrificing animals to collect tissue samples. In October 2018, we examined the isotopic values of fin and muscle tissue of Gymnocypris chui (n = 19) and Gymnocypris scleracanthus (n = 28) from Lake Langcuo of the Tibetan Plateau of China to determine whether non-lethally collected pectoral fin tissue could substitute for muscle tissue in stable isotope analysis. The results showed positive relationships (r(2) > 0.7) between fin and muscle tissue for both (delta)15N and (delta)13C of G. chui and G. scleracanthus. This study demonstrates the utility of a non-lethally technique to analyze time-integrated dietary habits and should be applicable to other fish species.
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