12 Works

Data from: Extra food provisioning reduces extra-pair paternity in the lesser kestrel (Falco naumanni)

Alessandra Costanzo, Nicola Tommasi, Andrea Galimberti, Giorgia Scesa, Roberto Ambrosini, Matteo Griggio, Jacopo G. Cecere & Diego Rubolini
Female promiscuity can function to acquire both direct and indirect benefits from their social mate and extra-pair males. In many raptor species, intense mate-feeding significantly contributes to female energy requirements before and during egg laying. Moreover, females may use mate-feeding effort to assess male quality. In this study of the lesser kestrel (Falco naumanni), we aimed at experimentally manipulating the female’s perception of mate quality by providing females with extra food during egg laying, and...

Along-shelf connectivity and circumpolar gene flow in Antarctic silverfish (Pleuragramma antarctica)

Jilda Alicia Caccavo, Chiara Papetti, , Rainer Knust, Julian R. Ashford & Lorenzo Zane
The Antarctic silverfish (Pleuragramma antarctica) is a critically important forage species with a circumpolar distribution and is unique among other notothenioid species for its wholly pelagic life cycle. Previous studies have provided mixed evidence of population structure over regional and circumpolar scales. The aim of the present study was to test the recent population hypothesis for Antarctic silverfish, which emphasizes the interplay between life history and hydrography in shaping connectivity. A total of 1067 individuals...

Immunological changes in nestlings growing under predation risk

Gianluca Roncalli, Manuel Soler, B. Irene Tieleman, Maaike A. Versteegh, Francisco Ruiz–Raya, Elisa Colombo, Mercedes Gómez Sambla & Juan Diego Ibáñez–Álamo
Predation is one of the most relevant selective forces in nature. However, the physiological mechanisms behind anti‐predator strategies have been overlooked, despite their importance to understand predator‐prey interactions. In this context, the immune system could be especially revealing due to its relationship with other critical functions and its ability to enhance prey's probabilities of survival to a predator's attack. Developing organisms (e.g. nestlings) are excellent models to study this topic because they suffer a high...

Seasonal time constraints shape life history, physiology and behaviour independently, and decouple a behavioural syndrome in a damselfly

Nedim Tüzün, Beste Başak Savaşçı & Robby Stoks
The integration of traits into 'syndromes' has been suggested as a useful framework to advance insights in trait responses to environmental stressors. Yet, how stressors shape the consistency (‘repeatability’) of traits and their covariation at the individual level remains debated. We studied how seasonal time constraints shape trait repeatability and integration of life-history, behavioural, and physiological traits along a fast-slow continuum, using the ‘pace-of-life syndrome’ as a framework. We manipulated the photoperiod during the larval...

From refugia to contact: pine processionary moth hybrid zone in a complex biogeographic setting

Kahraman İpekdal, Christian Burban, Laure Sauné, Andrea Battisti & Carole Kerdelhué
Contact zones occur at the crossroad between specific dispersal routes and are facilitated by biogeographic discontinuities. Here we focused on two Lepidoptera sister species that come in contact near the Turkish Straits System (TSS). We aimed to infer their phylogeographic histories in the Eastern Mediterranean and finely analyse their co-occurrence and hybridisation patterns in this biogeographical context. We used molecular mitochondrial and nuclear markers to study 224 individuals from 42 localities. We used discordances between...

Media gender-equality regimes

Claudia Padovani & Rossella Bozzon

High temperature induces transcriptomic changes in Crassostrea gigas that hinder progress of ostreid herpes virus (OsHV-1) and promote survival

Lizenn Delisle, Marianna Pauletto, Jeremie Vidal-Dupiol, Bruno Petton, Luca Bargelloni, Caroline Montagnani, Fabrice Pernet, Charlotte Corporeau & Elodie Fleury
Of all environmental factors, seawater temperature plays a decisive role in triggering marine diseases. Like fever in vertebrates, high seawater temperature could modulate the host response to pathogens in ectothermic animals. In France, massive mortality of Pacific oysters, Crassostrea gigas, caused by the ostreid herpesvirus 1 (OsHV-1) is markedly reduced when temperatures exceed 24°C in the field. In the present study we assess how high temperature influences the host response to the pathogen by comparing...

Data from: Digit ratio and length asymmetry in calves’ limbs

Cristina Sartori, Matteo Gianesella, Andrea Pilastro, Roberto Mantovani, Leonardo Armato & Enrico Fiore
This study considered possible sexual dimorphism in the relative lengths of the second, third and fourth digits (digit ratio), in calves. Furthermore, a different length of the bone structures of the third (3D) and of the fourth (4D) digits has been examined as an evolutionary adaptation to locomotion on soft ground. The length of the digital bones of the right fore-limb of 33 females and 15 male calves was measured in vivo using a portable...

Data from: Spatial structuring and life history connectivity of Antarctic silverfish along the southern continental shelf of the Weddell Sea

Jilda Alicia Caccavo, Julian R. Ashford, Svenja Ryan, Chiara Papetti, Michael Schröder & Lorenzo Zane
A multidisciplinary approach was employed to examine a physical-biological population hypothesis for a critical forage species, the Antarctic silverfish (Pleuragramma antarctica). A previous study had shown strong gene flow along the westward Antarctic Slope Current, in addition to spatially recurring length modes that provided evidence for episodic connectivity. In this paper, otolith nucleus chemistry from a subset of fish collected in the southern Weddell Sea as part of a hydrographic survey of the Filchner Trough...

Data from: Female sperm storage mediates postcopulatory costs and benefits of ejaculate anticipatory plasticity in the guppy

Alessandro Devigili, Gabriela Cardozo, Pietro Antonelli & Andrea Pilastro
Males of many species evolved the capability of adjusting their ejaculate phenotype in response to social cues to match the expected mating conditions. When females store sperm for prolonged time, the expected fitness return of plastic adjustments of ejaculate phenotype may depend on the interval between mating and fertilization. While, prolonged female sperm storage (FSS) increases the opportunity for sperm competition, as a consequence of the longer temporal overlapping of ejaculates from several males, it...

Pieris brassicae geometric morphometric data

Giuseppe Fusco, Arianna Springolo & Emanuele Rigato
By adopting a longitudinal study design and through geometric morphometrics methods, we investigated size and shape regulation in the head capsule during the larval development of the cabbage butterfly Pieris brassicae under laboratory conditions. We found evidence of size regulation by compensatory growth, although not equally effective in all larval stages. Size compensation is not attained through the regulation of developmental timing, but rather through the modulation of per-time growth rate. As for the shape,...

Data from: Dyadic leader-follower dynamics change across situations in captive house sparrows

Beniamino Tuliozi, Ettore Camerlenghi & Matteo Griggio
Individuals can behave as either leaders or followers in many taxa of collectively-moving animals. Leaders initiate movements and may incur predation risks while followers are thought to be more risk-averse. As a group encounters different challenges and ecological situations, individuals in the group may change their social role. We investigated leader and follower roles using dyads of captive house sparrow (Passer domesticus) during both exploration of a novel environment and a simulation of predator attack....

Registration Year

  • 2020

Resource Types

  • Dataset
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  • University of Padua
  • University of Milan
  • Alfred Wegener Institute for Polar and Marine Research
  • Old Dominion University
  • University of Groningen
  • University of Koblenz and Landau
  • French National Institute for Agricultural Research
  • University of Milano-Bicocca
  • Istituto Superiore per la Protezione e la Ricerca Ambientale
  • Monash University