Population size and status of the southern elephant seal (Mirounga leonina) at South Georgia, 1951?1985

The elephant seal population of South Georgia was surveyed comprehensively during the 1985 breeding season. 87711 females and 10260 adult males were counted. The counts were corrected using a model of the haul-out distribution to adjust for date of count. Annual pup production was estimated to be ab...

Full description

Bibliographic Details
Published in:Polar Biology
Main Authors: McCann, T.S., Rothery, P.
Format: Article in Journal/Newspaper
Language:unknown
Published: Springer 1988
Subjects:
Online Access:http://nora.nerc.ac.uk/id/eprint/521666/
https://doi.org/10.1007/BF00263179
Description
Summary:The elephant seal population of South Georgia was surveyed comprehensively during the 1985 breeding season. 87711 females and 10260 adult males were counted. The counts were corrected using a model of the haul-out distribution to adjust for date of count. Annual pup production was estimated to be about 102000. Counts made at various beaches on South Georgia between 1951 and 1964 were examined to compare pup production then with present data. Although the population has fluctuated substantially, the 1985 population estimate was very similar to the estimate based on an incomplete survey in 1951. This contrasts with the Indian Ocean and Macquarie Island populations of this species which recent surveys show to be declining.