DECLINE IN ABUNDANCE OF THE NORTHERN SEA LION, EUMETOPIAS JUBATUS, IN ALASKA, 1956·86

@inproceedings{Merrick1987DECLINEIA,
  title={DECLINE IN ABUNDANCE OF THE NORTHERN SEA LION, EUMETOPIAS JUBATUS, IN ALASKA, 1956·86},
  author={Richard L. Merrick and Thomas Richard Loughlin and Donald G. Calkins},
  year={1987}
}
Aerial, ship, and onshore surveys were conducted to assess the abundance of northern sea lions, Eum~tQpias juba.tlls, in southwestern Alaska. from the central Gulf of Alaska through the central Aleu­ tian Islands, during June-July of 1984-86. Counts of northern sea lions from these surveys were com­ pared with counts made in 1956-62 and 1975-79. These data indicated that the number of adults and juveniles onshore declined 52% from 140,000 animals in 1956-60 to 68,000 in 1985-an annual rate of… CONTINUE READING

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