786 Works

3D models of planetary bodies

Frederic Schmidt, Gaspard Salomon & Laurent Daumas
Current technology allows us to print various object in 3D for teaching and education purposes, including for the visually disabled [1]. The use of 3D printer for planetary science has been perceived since the premises of this industrial revolution [2]. In parallel several services and web-services have been developed to help the users to create their own model [3]. We propose here a database of ready-to-use 3D model of planetary bodies at full scale.

Data from: Spatio-temporal modelling of auk abundance after the Erika oil spill and implications for conservation

Kévin Le Rest, Grégoire Certain, Benjamin Debétencourt & Vincent Bretagnolle
Species distribution models are widely used in applied ecology and conservation. While accounting for spatial dependences is now the rule, temporal dependences have rarely been dealt with explicitly. In this study, we analyse wintering auk distribution in the Bay of Biscay and English Channel and estimate changes in abundance within and between years while accounting for space–time dependencies. We then propose a retrospective estimate of the impact of the Erika oil spill that occurred in...

Data from: Postglacial recolonization history of the European crabapple (Malus sylvestris Mill.), a wild contributor to the domesticated apple

Amandine Cornille, Tatiana Giraud, Céline Bellard, Aurélien Tellier, Bruno Le Cam, Marinus J. Smulders, Jörg Kleinschmit, Isabel Roldán-Ruiz, Pierre Gladieux, P. Gladieux, J. Kleinschmit, B. Le Cam, A. Cornille, T. Giraud, C. Bellard & A. Tellier
Understanding the way in which the climatic oscillations of the Quaternary Period have shaped the distribution and genetic structure of extant tree species provides insight into the processes driving species diversification, distribution and survival. Deciphering the genetic consequences of past climatic change is also critical for the conservation and sustainable management of forest and tree genetic resources, a timely endeavour as the Earth heads into a period of fast climate change. We used a combination...

Data from: Morphological drivers of trophic cascades

Clémentine Renneville, Arnaud Le Rouzic, Michel Baylac, Alexis Millot, Stéphane Loisel, Eric Edeline & Arnaud Le Rouzic
Worldwide, local anthropogenic extinctions have recently been reported to induce trophic cascades, defined as perturbations of top consumers that propagate along food chains down to primary producers. This focus on the effects of top-consumer extinction (i.e. of species presence) ignores potential cascading effects of the rapid morphological changes that may precede extinction. Here, we show in an experimental, three-level food chain including medaka fish, herbivorous zooplankton and unicellular algae that varying body length of a...

Data from: Conserved G-matrices of morphological and life-history traits among continental and island blue tit populations

Boris Delahaie, Anne Charmantier, Stéphane Chantepie, Dany Garant, Melody Porlier & Céline Teplitsky
The genetic variance–covariance matrix (G-matrix) summarizes the genetic architecture of multiple traits. It has a central role in the understanding of phenotypic divergence and the quantification of the evolutionary potential of populations. Laboratory experiments have shown that G-matrices can vary rapidly under divergent selective pressures. However, because of the demanding nature of G-matrix estimation and comparison in wild populations, the extent of its spatial variability remains largely unknown. In this study, we investigate spatial variation...

Data from: Tunicate mitogenomics and phylogenetics: peculiarities of the Herdmania momus mitochondrial genome and support for the new chordate phylogeny

Tiratha R. Singh, Georgia Tsagkogeorga, Frédéric Delsuc, Samuel Blanquart, Noa Shenkar, Lossi Loya, Emmanuel J. P. Douzery & Dorothée Huchon
BACKGROUND: Tunicates represent a key metazoan group as the sister-group of vertebrates within chordates. The six complete mitochondrial genomes available so far for tunicates have revealed distinctive features. Extensive gene rearrangements and particularly high evolutionary rates have been evidenced with regard to other chordates. This peculiar evolutionary dynamics has hampered the reconstruction of tunicate phylogenetic relationships within chordates based on mitogenomic data. RESULTS: In order to further understand the atypical evolutionary dynamics of the mitochondrial...

Data from: Geographic isolation and larval dispersal shape seascape genetic patterns differently according to spatial scale

Alicia Dalongeville, Marco Andrello, David Mouillot, Stephane Lobreaux, Marie-Josée Fortin, Frida Lasram, Jonathan Belmaker, Delphine Rocklin & Stéphanie Manel
Genetic variation, as a basis of evolutionary change, allows species to adapt and persist in different climates and environments. Yet, a comprehensive assessment of the drivers of genetic variation at different spatial scales is still missing in marine ecosystems. Here, we investigated the influence of environment, geographic isolation, and larval dispersal on the variation in allele frequencies, using an extensive spatial sampling (47 locations) of the striped red mullet (Mullus surmuletus) in the Mediterranean Sea....

Data from: Longitudinal analysis of impulse control disorders in Parkinson’s disease

Jean-Christophe Corvol, Fanny Artaud, Florence Cormier-Dequaire, Olivier Rascol, Franck Durif, Pascal Derckinderen, Ana-Raquel Marques, Frédéric Bourdain, Jean-Philippe Brandel, Fernando Pico, Lucette Lacomblez, Cecilia Bonnet, Christine Brefel-Courbon, Fabienne Ory-Magne, David Grabli, Stephan Klebe, Graziella Mangone, Hana You, Valérie Mesnages, Pei-Chen Lee, Alexis Brice, Marie Vidailhet & Alexis Elbaz
Objective: To investigate the longitudinal dose-effect relationship between dopamine replacement therapy and impulse control disorders (ICDs) in Parkinson’s disease (PD). Methods: We used data from a multicentre longitudinal cohort of consecutive PD patients with ≤5y disease duration at baseline followed annually up to 5y. ICDs were evaluated during face-to-face semi-structured interviews with movement disorder specialists. Generalized estimating equations Poisson models with robust variance were used to study the association between several time-dependent definitions of dopamine...

Data from: Variation in habitat connectivity generates positive correlations between species and genetic diversity in a metacommunity

Thomas Lamy, Philippe Jarne, Fabien Laroche, Jean-Pierre Pointier, Géraldine Huth, Adeline Segard, Patrice David, G. Huth, T. Lamy, P. Jarne, F. Laroche, A. Segard, P. David & J.-P. Pointier
An increasing number of studies are simultaneously investigating species diversity (SD) and genetic diversity (GD) in the same systems, looking for ‘species– genetic diversity correlations’ (SGDCs). From negative to positive SGDCs have been reported, but studies have generally not quantified the processes underlying these correlations. They were also mostly conducted at large biogeographical scales or in recently degraded habitats. Such correlations have not been looked for in natural networks of connected habitat fragments (metacommunities), and...

Data from: European ornamental garden flora as an invasion debt under climate change

Emily Haeuser, Wayne Dawson, Wilfried Thuiller, Stefan Dullinger, Svenja Block, Oliver Bossdorf, Marta Carboni, Luisa Conti, Iwona Dullinger, Franz Essl, Günther Klonner, Dietmar Moser, Tamara Muenkemueller, Madalin Parepa, Matthew V. Talluto, Holger Kreft, Jan Pergl, Petr Pyšek, Patrick Weigelt, Marten Winter, Martin Hermy, Sebastiaan Van Der Veken, Cristina Roquet & Mark Van Kleunen
1.Most naturalized and invasive alien plant species were originally introduced to regions for horticultural purposes. However, many regions now face an invasion debt from ornamental alien species, which have not yet naturalized. In this regard, climate change represents a threat as it may lower the barriers to naturalization for some ornamental alien species. Identifying those species is extremely important for anticipating impending invasions. 2.To identify predictors of naturalization, we modelled the effects of climate, nursery...

Data from: Body size, developmental instability and climate change

Anders Pape Moller, Johannes Erritzoe & Stefan Van Dongen
Development is often temperature-dependent. We hypothesized smaller size and larger asymmetry with increasing temperatures. However, we also predicted associations with asymmetry to differ among traits that differ in their degree of functional importance (especially the functional wings in migratory birds were predicted to be more canalized), timing of development (skeletal (femur, tarsus and humerus) vs feather (wing and tail traits). We analyzed a large dataset of which we included species with at least 20 specimens...

Data from: Dearth of polymorphism associated with a sustained response to selection for flowering time in maize

Eleonore Durand, Maud I. Tenaillon, Xavier Raffoux, Stéphanie Thépot, Matthieu Falque, Philippe Jamin, Aurélie Bourgais, Adrienne Ressayre & Christine Dillmann
Background: Long term selection experiments bring unique insights on the genetic architecture of quantitative traits and their evolvability. Indeed, they are utilized to (i) monitor changes in allele frequencies and assess the effects of genomic regions involved traits determinism; (ii) evaluate the role of standing variation versus new mutations during adaptation; (iii) investigate the contribution of non allelic interactions. Here we describe genetic and phenotypic evolution of two independent Divergent Selection Experiments (DSEs) for flowering...

Data from: Superinfection and the coevolution of parasite virulence and host recovery

Sarah Kada, Sébastien Lion, S. Kada & S. Lion
Parasite strategies of host exploitation may be affected by host defence strategies and multiple infections. In particular, within-host competition between multiple parasite strains has been shown to select for higher virulence. However, little is known on how multiple infections could affect the coevolution between host recovery and parasite virulence. Here, we extend a coevolutionary model introduced by van Baalen (1998) to account for superinfection. When the susceptibility to superinfection is low, we recover van Baalen's...

Data from: Avian malaria: a new lease of life for an old experimental model to study the evolutionary ecology of Plasmodium

Romain Pigeault, Julien Vézilier, Stéphane Cornet, Flore Zélé, Antoine Nicot, Philippe Perret, Sylvain Gandon & Ana Rivero
Avian malaria has historically played an important role as a model in the study of human malaria, being a stimulus for the development of medical parasitology. Avian malaria has recently come back to the research scene as a unique animal model to understand the ecology and evolution of the disease, both in the field and in the laboratory. Avian malaria is highly prevalent in birds and mosquitoes around the world and is amenable to laboratory...

Data from: Modelling unbiased dispersal kernels over continuous space by accounting for spatial heterogeneity in marking and observation efforts

Joël Chadoeuf, Alexandre Millon, Jean-Luc Bourrioux, Thierry Printemps, Benoit Van Hecke, Vincent Lecoustre & Vincent Bretagnolle
1. Although a key demographic trait determining the spatial dynamics of wild populations, dispersal is notoriously difficult to estimate in the field. Indeed, dispersal distances obtained from the monitoring of marked individuals typically lead to biased estimations of dispersal kernels as a consequence of i) restricted spatial scale of the study areas compared to species potential dispersal and ii) heterogeneity in marking and observation efforts and therfore in detection probability across space. 2. Here we...

Data from: Reduction of leaf area and symptom severity as proxies of disease-induced plant mortality: the example of the Cauliflower mosaic virus infecting two Brassicaceae hosts

Juliette Doumayrou, Sophie Leblaye, Rémy Froissart & Yannis Michalakis
Disease induced effects on host survival are important to understand the evolution of parasitic virulence and host resistance/tolerance. Unfortunately, experiments evaluating such effects are in most cases logistically demanding justifying the measurement of survival proxies. For plant hosts commonly used proxies are leaf area and the nature and severity of visual qualitative disease symptoms. In this study we tested whether these traits are indeed correlated to the host mortality rate induced by viral infection. We...

Data from: Alternative reproductive tactics in female striped mice: heavier females are more likely to breed solitary than communally

Davina L. Hill, Neville Pillay & Carsten Schradin
1. Alternative reproductive tactics (ARTs) are discrete reproductive phenotypes governed by decision rules called strategies. ARTs are fixed for life in species with alternative strategies, while tactic expression is plastic in species with a single strategy. ARTs have been investigated in males of many species, but few studies have tested whether the same theoretical framework applies in females. 2. Female striped mice (Rhabdomys pumilio) employ three ARTs: communal breeders give birth in a nest shared...

Data from: Anthropogenic ecosystem disturbance and the recovery debt

David Moreno Mateos, Edward B. Barbier, Peter C. Jones, Holly P. Jones, James Aronson, Jose A. Lopez-Lopez, Michelle L. McCrackin, Paula Meli, Daniel Montoya & José Rey Benayas
Ecosystem recovery from anthropogenic disturbances, either without human intervention or assisted by ecological restoration, is increasingly occurring worldwide. As ecosystems progress through recovery, it is important to estimate any resulting deficit in biodiversity and functions. Here we use data from 3,035 sampling plots worldwide, to quantify the interim reduction of biodiversity and functions occurring during the recovery process (that is, the ‘recovery debt’). Compared with reference levels, recovering ecosystems run annual deficits of 46–51% for...

Data from: Contrasting genetic diversity patterns in two sister kelp species co-distributed along the coast of Brittany, France

Marine Robuchon, Line Le Gall, Stéphane Mauger & Myriam Valero
We investigated patterns of genetic structure in two sister kelp species to explore how distribution width along the shore, zonation, latitudinal distribution and historical factors contribute to contrasting patterns of genetic diversity. We implemented a hierarchical sampling scheme to compare patterns of genetic diversity and structure in these two kelp species co-distributed along the coasts of Brittany (France) using a total of 12 microsatellites, 9 for Laminaria hyperborea and 11 for Laminaria digitata, of which...

Data from: Habitat-driven population structure of bottlenose dolphins, Tursiops truncatus, in the North-East Atlantic

Marie Louis, Amélia Viricel, Tamara Lucas, Hélène Peltier, Eric Alfonsi, Simon Berrow, Andrew Brownlow, Pablo Covelo, Willy Dabin, Rob Deaville, Renaud De Stephanis, François Gally, Pauline Gauffier, Rod Penrose, Monica A. Silva, Christophe Guinet & Benoît Simon-Bouhet
Despite no obvious barrier to gene flow, historical environmental processes and ecological specializations can lead to genetic differentiation in highly mobile animals. Ecotypes emerged in several large mammal species as a result of niche specializations and/or social organization. In the North-West Atlantic, two distinct bottlenose dolphin (Tursiops truncatus) ecotypes (i.e. ‘coastal’ and ‘pelagic’) have been identified. Here, we investigated the genetic population structure of North-East Atlantic (NEA) bottlenose dolphins on a large scale through the...

Data from: Phage selection for bacterial cheats leads to population decline

Marie Vasse, Clara Torres-Barceló & Michael E. Hochberg
While predators and parasites are known for their effects on bacterial population biology, their impact on the dynamics of bacterial social evolution remains largely unclear. Siderophores are iron-chelating molecules that are key to the survival of certain bacterial species in iron-limited environments, but their production can be subject to cheating by non-producing phenotypes. In a selection experiment conducted over c 20 bacterial generations and involving 140 populations of the pathogenic bacterium Pseudomonas aeruginosa PAO1, we...

Data from: Short-term variations in gene flow related to cyclic density fluctuations in the common vole

Bertrand Gauffre, Karine Berthier, Pablo Inchausti, Yannick Chaval, Jean-François Cosson & Vincent Bretagnolle
In highly fluctuating populations with complex social systems genetic patterns are likely to vary in space and time due to demographic and behavioural processes. Cyclic rodents are extreme examples of demographically instable populations that often exhibit strong social organisation. In such populations, kin structure and spacing behaviour may vary with density fluctuations and impact both the composition and spatial structure of genetic diversity. In this study, we analysed the multiannual genetic structure of a cyclic...

Data from: Spatial genetic structure in Beta vulgaris subsp. maritima and Beta macrocarpa reveals the effect of contrasting mating system, influence of marine currents and footprints of postglacial recolonisation routes

Marie Leys, Eric J. Petit, Yasmina El-Bahloul, Camille Liso, Sylvain Fournet & Jean-Francois Arnaud
Understanding the factors that contribute to population genetic divergence across a species' range is a long-standing goal in evolutionary biology and ecological genetics. We examined the relative importance of historical and ecological features in shaping the present-day spatial patterns of genetic structure in two related plant species, Beta vulgaris subsp. maritima and Beta macrocarpa. Using nuclear and mitochondrial markers, we surveyed 93 populations from Brittany (France) to Morocco – the southern limit of their species'...

Data from: Functional integration for enrolment constrains evolutionary variation of phacopid trilobites despite developmental modularity

Morgane Oudot, Pascal Neige, Rémi Laffont, Nicolas Navarro, Ahmed Yacine Khaldi & Catherine Crônier
Modularity and integration are variational properties expressed at various levels of the biological hierarchy. Mismatches among these levels, for example developmental modules that are integrated in a functional unit, could be informative of how evolutionary processes and trade‐offs have shaped organismal morphologies as well as clade diversification. In the present study, we explored the full, integrated and modular spaces of two developmental modules in phacopid trilobites, the cephalon and the pygidium, and highlight some differences...

Data from: Translocation of wild populations: conservation implications for the genetic diversity of the black-lipped pearl oyster Pinctada margaritifera

Sarah Lemer & Serge Planes
Translocation has been widely studied as a tool for conservation management to restore or enhance degraded populations. On the contrary few studies have been conducted on translocation for commercial purposes. In this study we evaluate the genetic consequences of translocation of wild individuals of Pinctada margaritifera on farmed and adjacent wild populations. We tested the hypotheses that translocations would induce high genetic heterogeneity in farmed populations and this heterogeneity would then leak into the adjacent...

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  • French National Centre for Scientific Research
  • French National Institute for Agricultural Research
  • University of Montpellier
  • University of Paris-Sud
  • Centre d'Ecologie Fonctionnelle et Evolutive
  • Sorbonne University
  • Paul Sabatier University
  • Université Paul-Valéry Montpellier
  • University of Toulouse
  • University of Lyon System