δ15N Value Does Not Reflect Fasting in Mysticetes

@inproceedings{Aguilar201415NVD,
  title={δ15N Value Does Not Reflect Fasting in Mysticetes},
  author={Alex Aguilar and Joan Gim{\'e}nez and Encarna G{\'o}mez–Campos and Luis Cardona and Asunci{\'o}n Borrell},
  booktitle={PloS one},
  year={2014}
}
The finding that tissue δ(15)N values increase with protein catabolism has led researchers to apply this value to gauge nutritive condition in vertebrates. However, its application to marine mammals has in most occasions failed. We investigated the relationship between δ(15)N values and the fattening/fasting cycle in a model species, the fin whale, a migratory capital breeder that experiences severe seasonal variation in body condition. We analyzed two tissues providing complementary insights… CONTINUE READING

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