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

来源：

POLAR BIOLOGY | 2001年 / 24卷 / 01期

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

页码：62 / 65

页数：4

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