Counts of southern elephant seals, Mirounga leonina, at Bouvet Island

被引：0
|
作者：
S. P. Kirkman
G. J. G. Hofmeyr
M. N. Bester
K. Isaksen
机构：
[1] Mammal Research Institute,
[2] Department of Zoology and Entomology,undefined
[3] University of Pretoria,undefined
[4] Pretoria 0002,undefined
[5] South Africa e-mail: mnbester@zoology.up.ac.za Tel.: +27-12-4202067,undefined
[6] Fax: +27-12-3625242,undefined
[7] Norwegian Polar Institute,undefined
[8] Polar Environmental Centre,undefined
[9] 9296 Tromsø,undefined
[10] Norway,undefined
来源：
Polar Biology | 2001年 / 24卷
关键词：
Weekly Basis; Austral Summer; Elephant Seal; Southern Elephant Seal; Moult Period;
D O I：
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中图分类号：
学科分类号：
摘要：
Southern elephant seals were counted and classified into subjective sex-age classes on a weekly basis during expeditions to Bouvet Island in the austral summers of 1996/1997 and 1998/1999. The expeditions coincided with the moulting period of elephant seals aged one year and older. The presence of weaned pups at the principal haulout site, Nyrøysa/Westwindstranda, during the latter expedition, indicates that breeding took place here during 1998. Elephant seal counts from previous expeditions are summarised.
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页码：62 / 65
页数：3
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