Skipjack Tuna Stable Isotopes
收藏DataCite Commons2025-10-10 更新2026-02-09 收录
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https://figshare.com/articles/dataset/Skipjack_Tuna_Stable_Isotopes/30333877/1
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This file summarizes the stable isotope (delC13 and delN15) of 121 skipjack tuna (from 40 to 84 cm fork length, FL) captured northeast of Oʻahu (21.477° N, 157.757° W) between May 20 and September 2 of 2020. The samples were analyzed for carbon and nitrogen bulk stable isotopic composition at the University of Hawaiʻi at Manoa Biogeochemical Stable Isotope facility using a Costech ECS 4010 Elemental Combustion System, with a Zero Blank Autosampler, a ThermoFinnigan MAT Conflo IV, and a ThermoFinnigan DeltaXP. Each sample yielded mass of carbon (mg) and nitrogen (mg), and the isotopic values for δ<sup>13</sup>C (‰) and δ<sup>15</sup>N (‰). The δ values were calculated using the following equation: δX = [(R<sub>sample</sub>/R<sub>standard</sub>)-1]*1000, where X is <sup>13</sup>C and <sup>15</sup>N and R is the ratio of heavy isotope to light isotope, for carbon (<sup>13</sup>C/<sup>12</sup>C) and nitrogen (<sup>15</sup>N/<sup>14</sup>N), respectively.
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figshare
创建时间：
2025-10-10
