DIVING DEPTHS OF SHAGS PHALACROCORAX-ARISTOTELIS BREEDING ON THE ISLE-OF-MAY

被引：38

作者：

WANLESS, S ^{[1
]}

BURGER, AE ^{[1
]}

HARRIS, MP ^{[1
]}

机构：

[1] UNIV VICTORIA,DEPT BIOL,VICTORIA V8W 2Y2,BC,CANADA

来源：

IBIS | 1991年 / 133卷 / 01期

基金：

英国自然环境研究理事会;

关键词：

D O I：

10.1111/j.1474-919X.1991.tb04807.x

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

Information on maximum dive depth and the time spent at various depths was obtained from 49 Shags Phalacrocorax aristotelis. On average, the maximum dive depth was 33-35 m; the overall maximum was 43 m. Shags dived repeatedly to the same depth and spent c. 55% of the time between 25 and 34 m which indicated that they were foraging close to the seabed. About 46% of the time underwater was spent foraging and 54% travelling. Average underwater swimming speed was 1.7-1.9 m per second.

引用

页码：37 / 42

页数：6

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