Predation mediated population divergence in complex behaviour of nine-spined stickleback (Pungitius pungitius)

被引:109
作者
Herczeg, G. [1 ]
Gonda, A. [1 ]
Merila, J. [1 ]
机构
[1] Univ Helsinki, Ecol Genet Res Unit, Dept Biol & Environm Sci, FI-00014 Helsinki, Finland
基金
芬兰科学院;
关键词
animal personality; behavioural syndrome; behavioural type; common garden; geographic variation; temperament; GUPPY POECILIA-RETICULATA; NATURAL-SELECTION; PERSONALITY; TEMPERAMENT; EVOLUTION; TRAITS; INDIVIDUALS; AGGRESSION; BOLDNESS; GENETICS;
D O I
10.1111/j.1420-9101.2008.01674.x
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
The proximate and ultimate explanations for behavioural syndromes (correlated behaviours - a population trait) are poorly understood, and the evolution of behavioural types (configuration of behaviours - an individual trait) has been rarely studied. We investigated population divergence in behavioural syndromes and types using individually reared, completely predator- or conspecific-naive adult nine-spined sticklebacks (Pungitius pungitius) from two marine and two predatory fish free, isolated pond populations. We found little evidence for the existence of behavioural syndromes, but population divergence in behavioural types was profound: individuals from ponds were quicker in feeding, bolder and more aggressive than individuals from marine environments. Our data reject the hypothesis that behavioural syndromes exist as a result of genetic correlations between behavioural traits, and support the contention that different behavioural types can be predominant in populations differing in predation pressure, most probably as a result of repeated independent evolution of separate behavioural traits.
引用
收藏
页码:544 / 552
页数:9
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