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

被引:11
|
作者
Kirkman, SP
Hofmeyr, GJG
Bester, MN [1 ]
Isaksen, K
机构
[1] Univ Pretoria, Mammal Res Inst, Dept Zool & Entomol, ZA-0002 Pretoria, South Africa
[2] Norwegian Polar Res Inst, Polar Environm Ctr, N-9296 Tromso, Norway
关键词
Weekly Basis; Austral Summer; Elephant Seal; Southern Elephant Seal; Moult Period;
D O I
10.1007/s003000000180
中图分类号
X176 [生物多样性保护];
学科分类号
090705 ;
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, Nyroysa/Westwindstranda, during the latter expedition, indicates that breeding took place here during 1998. Elephant seal counts from previous expeditions are summarised.
引用
收藏
页码:62 / 65
页数:4
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