Stable Isotope Composition of Fatty Acids in Organisms of Different Trophic Levels in the Yenisei River

  title={Stable Isotope Composition of Fatty Acids in Organisms of Different Trophic Levels in the Yenisei River},
  author={Michail I. Gladyshev and Nadezhda N. Sushchik and Galina S. Kalachova and Olesia N. Makhutova},
  booktitle={PloS one},
We studied four-link food chain, periphytic microalgae and water moss (producers), trichopteran larvae (consumers I), gammarids (omnivorous--consumers II) and Siberian grayling (consumers III) at a littoral site of the Yenisei River on the basis of three years monthly sampling. Analysis of bulk carbon stable isotopes and compound specific isotope analysis of fatty acids (FA) were done. As found, there was a gradual depletion in (13)C contents of fatty acids, including essential FA upward the… CONTINUE READING

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