Violette Chiara

Violette Chiara
University of Vigo | UVIGO · Department of Ecology and Animal Biology

PhD
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About

8
Publications
691
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28
Citations
Introduction

Publications

Publications (8)
Article
Full-text available
Background Sexual signals produced by males play a central role in sexual selection, but the relationship between these traits and the quality of the bearer are often ambiguous. Secondary sexual traits may represent genetic quality of the bearer, resulting in positive relationships with physiological state, or may be costly to produce, showing trad...
Article
Full-text available
Significance In biological and artificial systems, synchronization is an important means of achieving coordination. During hunting, social spiders alternate their moving and stopping phases in unison as they move toward their prey. We combined fieldwork and modeling to investigate the behavioral rules that lead to the emergence of synchronized osci...
Article
The transmission of detrimental mutations in animal mitochondrial DNA (mtDNA) to the next generation is avoided by a high level of mtDNA content in mature oocytes. Thus, this maternal genetic material has the potential to mediate adaptive maternal effects if mothers change mtDNA level in oocytes in response to their environment or body condition. H...
Article
Full-text available
Wild-caught animals are often used in behavioural or other biological studies. However, different capture methods may target individuals that differ in behaviour, life history and morphology, thereby giving rise to sampling biases. Here, we investigated whether juvenile three-spined sticklebacks caught in a natural population by passive and active...
Article
Full-text available
When foraging in a group, individuals adjust their behaviours to the actions of others in order to optimize their pay-offs. While many studies have examined the influence of group composition on behavioural strategies, relatively few have investigated how the presence or absence of conspecifics influences the expression of behaviours during hunting...
Thesis
Full-text available
La transition entre vie solitaire et vie sociale est une transition évolutive majeure, apparue indépendamment dans de nombreux taxons. Les araignées offrent une gamme étendue d'organisations sociales, différant par la complexité et la durée des interactions entre congénères. Parmi les 48 000 espèces d'araignées, une trentaine a développé une vie so...
Article
Full-text available
From invertebrates to vertebrates, a wealth of species display transient sociality during their life cycle. Investigating the causes of dispersal in temporary associations is important to better understand population dynamics. It is also essential to identify possible mechanisms involved in the evolutionary transition from transient to stable socia...
Article
Wolf spiders’ (Lycosidae) maternal behaviour includes a specific phase called “egg brooding” which consists of guarding and carrying an egg-sac throughout the incubation period. The transport of an egg-sac can restrict mothers’ exploratory and locomotor activity, in particular when foraging. The present study details the ontogeny of maternal behavi...

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