Variation of Iron Stable Isotopes in a Marine Ecosystem from the Northwest Pacific Ocean

被引：1

作者：

Hasegawa, Nanako ^{[1
]}

Itai, Takaaki ^{[1
]}

Kunisue, Tatsuya ^{[2
]}

Takahash, Yoshio ^{[1
]}

机构：

[1] Univ Tokyo, Dept Earth & Planetary Sci, 7-3-1 Hongo,Bunkyo Ku, Tokyo 1130033, Japan

[2] Ehime Univ, Ctr Marine Environm Studies CMES, 2-5 Bunkyo cho, Matsuyama, Ehime 7908577, Japan

来源：

CHEMISTRY LETTERS | 2022年 / 51卷 / 05期

基金：

日本学术振兴会;

关键词：

Iron isotope ratio; Marine organisms; Northwest Pacific Ocean; TRACE-METALS; BLOOD; PATTERNS; SEAWATER; FRACTIONATION; DEFICIENCY; DELTA-N-15; DELTA-C-13; CARBON; COPPER;

D O I：

10.1246/cl.220099

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Since iron (Fe) is an important trace nutrient for marine organisms, establishing a tracer of the Fe cycle through the food chain is crucial. Herein, we report the variation in delta Fe-56 in marine organisms (n = 32, nine species) collected around the Northwest Pacific Ocean. The delta Fe-56 value varied from -2.64 parts per thousand to -0.03 parts per thousand, which is consistently lower than the reported seawater value. This variation was predominantly controlled in terms of species rather than size and region, suggesting that this proxy is useful to assessing species-specific Fe metabolic processes.

引用

页码：556 / 560

页数：5

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