Assessment of errors associated with harbour seal (Phoca vitulina) faecal sampling

@article{Harvey1989AssessmentOE,
  title={Assessment of errors associated with harbour seal (Phoca vitulina) faecal sampling},
  author={J. Harvey},
  journal={Journal of Zoology},
  year={1989},
  volume={219},
  pages={101-111}
}
  • J. Harvey
  • Published 1989
  • Biology
  • Journal of Zoology
Six harbour seals, ages 4–8 years, were held as pairs in a 10 times 20 times 2 m tank filled with sea water, and on 60 occasions were fed a meal of a specific species of fish or cephalopod of known size. The tank was drained periodically, and harbour seal faeces were collected on a 0.5 mm sieve. Number and size of otoliths and beaks found in faeces were determined. Fifty-eight percent of 670 fish and 37% of 36 cephalopods fed to harbour seals were represented by their otoliths or beaks in… Expand
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