Long-term correlations in the surface behavior of dolphins

被引：5
|
作者：
Ferrer i Cancho, R.
Lusseau, D.
机构：
[1] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
[2] Univ Aberdeen, Sch Biol Sci, Lighthouse Field Stn, George St Cromarty IV11 8YJ, Rosshire, Scotland
来源：
EUROPHYSICS LETTERS | 2006年 / 74卷 / 06期
关键词：
D O I：
10.1209/epl/i2005-10596-9
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Here we study the sequences of surface behavioral patterns of dolphins ( Tursiops sp.) and find long-term correlations. We show that the long-term correlations are not of a trivial nature, i.e. they cannot be explained by the repetition of the same surface behavior many times in a row. Our findings suggest that dolphins have a long collective memory extending back at least to the 7-th past behavior. As far as we know, this is the first evidence of long-term correlations in the behavior of a non-human species.
引用
收藏
页码：1095 / 1101
页数：7
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