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Does acoustic environment modify boldness and related life-history traits in field cricket nymphs?
Acta Ethologica ( IF 1.1 ) Pub Date : 2019-03-15 , DOI: 10.1007/s10211-019-00311-z
Krisztina Petróczki , Anssi Vainikka , Raine Kortet

Between-individual differences in personality and life-history traits can arise from both genetic and environmental factors, with the latter possibly reflecting contrasting individual experiences during ontogeny. It is yet unclear how the acoustic environment may affect the development of boldness and related life-history traits such as growth rate, maturation age and longevity in species that normally rely on acoustic cues to adjust their behaviours. We studied if long-term exposure of field cricket Gryllus integer nymphs to traffic noise or acoustic conspecific signalling would affect the level or repeatability of boldness or life history traits. An integrative boldness score was statistically significantly repeatable in control and cricket sound groups, but not in the traffic noise group. However, our data did not show any effect of acoustic treatment on individual boldness. Acoustic treatments had no effects on life-history traits, either. Future studies are needed to confirm whether the acoustic environment could affect the development of personality and behavioural consistency.

中文翻译:

声学环境会改变田若虫的勇气和相关的生活史特征吗?

人格和生活历史特征的个体差异可能源于遗传和环境因素,后者可能反映个体发育过程中个人经历的对比。尚不清楚声学环境如何影响大胆和相关的生活史特征的发展,例如通常依赖声学提示来调整其行为的物种的生长速度,成熟年龄和寿命。我们研究了田field是否长期暴露于Gryllus整数若虫对交通噪音或声音的特定信号会影响胆量或生活史特征的水平或可重复性。在控制和板球声音组中,综合胆识评分在统计学上可重复,在交通噪声组中则不可。但是,我们的数据没有显示声学处理对个人胆量的影响。声学处理对生活史特征也没有影响。需要进一步的研究来确认声学环境是否会影响人格和行为一致性的发展。
更新日期:2019-03-15
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