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Main Authors: Auderset, Alexandra, Smart, Sandi, Ryu, Yeongjun, Marconi, Dario, Ren, Haojia Abby, Heins, Lena, Vonhof, Hubert B, Schiebel, Ralf, Repschläger, Janne, Sigman, Daniel M, Haug, Gerald H, Martínez-García, Alfredo
Format: Dataset Open Access
Language:en
Published: PANGAEA 2025
Subjects:
Foraminifera; Foraminifera-bound nitrogen isotopes; Glacial/Interglacial cycles; Oxygen and carbon stable isotopes; Pleistocene; symbiosis
Online Access:https://doi.org/10.1594/PANGAEA.979691
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Table of Contents:
  • This dataset contains species-specific foraminifera-bound nitrogen isotope (FB-δ15N) measurements from sediment core samples at Deep Sea Drilling Program Site 516, located in the subtropical South Atlantic gyre. Complementary species-specific carbon and oxygen stable isotope measurements were performed on foraminiferal shell carbonate, with additional size-specific carbon and oxygen isotope data collected for two samples. Isotopic measurements were conducted on the following foraminifera species: Trilobatus sacculifer, Globigerinoides ruber ruber, Globigerinoides ruber albus, Globorotalia truncatulinoides, Globigerinella siphonifera, and Globigerina bulloides. The data span a full glacial-interglacial cycle and provide species-specific isotopic variability to evaluate foraminifera-bound nitrogen isotopes as a new tool to determine paleo-photosymbiosis in planktic foraminifera.

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