Changing diets over time: knock-on effects of marine megafauna overexploitation on their competitors in the South-Western Atlantic Ocean

• Main Authors: Bas, Maria, Tivoli, Angélica M., Briz i Godino, Ivan, Salemme, Mónica, Santiago, Fernando, Belardi, Juan Bautista, Borella, Florencia, Vales, Damián G., Crespo, Enrique A., Cardona, Luis
• Format: Other/Unknown Material
• Language: unknown
• Published: 2022
• Subjects: Magellanic penguin; Imperial shag; marine ecosystem; Stable isotopes; zooarchaeology; Argentine; Hake; Patagonia; Imperial Shag
• Online Access: https://zenodo.org/record/6519860; https://doi.org/10.5281/zenodo.6519860

This study compares the δ15N values and the trophic position of two seabird species throughout the Late Holocene in three regions in the South-Western Atlantic Ocean to assess the hypothesis that the decimation of megafauna lead to changes in the trophic position of mesopredators. Modern and ancient...