Feeding ecology of phocid seals and some walrus in the Alaskan and Canadian Arctic as determined by stomach contents and stable isotope analysis

@article{Dehn2006FeedingEO,
  title={Feeding ecology of phocid seals and some walrus in the Alaskan and Canadian Arctic as determined by stomach contents and stable isotope analysis},
  author={Larissa-A. Dehn and Gay Sheffield and Erich H. Follmann and Lawrence Duffy and Dana Lee Thomas and Todd M. O’Hara},
  journal={Polar Biology},
  year={2006},
  volume={30},
  pages={167-181}
}
Feeding habits of ringed (Phoca hispida), bearded (Erignathus barbatus), spotted (Phoca largha) and ribbon (Phoca fasciata) seals and walrus (Odobenus rosmarus) were studied using stomach contents and stable carbon and nitrogen isotopes. Bearded seals fed benthically, primarily crustaceans and mollusks. Both zooplankton and fish were significant prey for ringed seals, while fish was principal spotted seal prey. Few gastric contents were available from ribbon seals. δ15N was positively… CONTINUE READING

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