868 Works

IASI-FT Sea Surface Temperature (from IASI/Metop-A)

Ana Claudia Parracho & Sarah Safieddine
The IASI Sea Surface Temperature (SST) product is a monthly (level L3), 1×1 degree global dataset of skin temperatures over the sea derived from the IASI satellite radiances data. The dataset consists of monthly mean TXT files. Each file is a grid organized by latitude (-90 to 89 °N) and longitude (-180 to 180 °E). The land and sea ice grid points are filled using NaN. Size of the grid: 180 lines and 361 columns....

Data from: Assessing the effects of quantitative host resistance on the life-history traits of sporulating parasites with growing lesions

Melen Leclerc, Julie Clément, Didier Andrivon & Frédéric Hamelin
Assessing life-history traits of parasites on resistant hosts is crucial in evolutionary ecology. In the particular case of sporulating pathogens with growing lesions, phenotyping is difficult because one needs to disentangle properly pathogen spread from sporulation. By considering Phytophthora infestans on potato, we use mathematical modelling to tackle this issue and refine the assessment pathogen response to quantitative host resistance. We elaborate a parsimonious leaf-scale model by convolving a lesion growth model and a sporulation...

Data from: Genetic variability and transgenerational regulation of investment in sex in the monogonont rotifer Brachionus plicatilis

Denis Roze, Océane Seudre, Eloïse Vanhoenacker, Stéphane Mauger & Jérôme Coudret
In cyclical parthenogens such as aphids, cladocerans and rotifers, the coupling between sexual reproduction and the production of resting stages (diapausing eggs) imposes strong constraints on the timing of sex. While induction of sex is generally triggered by environmental cues, the response to such cues may vary across individuals according to genetic and non-genetic factors. In this study, we explored genetic and epigenetic causes of variation for the propensity for sex using a collection of...

Conservation genetics of Armeria belgenciencis

Alex Baumel, Frédéric Médail, Marianick Juin, Thibault Paquier, Marie Clares, Perrine Laffargue, Hélène Lutard, Lara Dixon & Mathias Pires
This the data set of the paper "Population genetic structure and management perspectives for Armeria belgenciencis, a narrow endemic plant from Provence (France)" published in Plant Ecology and Evolution: ###############. The genetic structure of Armeria belgenciensis and geographically close populations of Armeria arenaria was analyzed on the basis of 328 AFLP markers using model-based and model-free clustering methods. In addition, flowering phenology was estimated to address the possibility of pre-zygotic isolation between A. belgenciensis and...

Trait-dependency of trophic interactions in zooplankton food webs

Florian Vincent, Andrea Bertolo, Gérard Lacroix, Maud Mouchet & Eric Edeline
Anthropogenic change in the abundance or identity of dominant top predators may induce reorganizations in whole food webs. Predicting these reorganizations requires identifying the biological rules that govern trophic niches. However, we still lack a detailed understanding of the respective contributions of body size, behaviour (e.g., match between predator hunting mode and prey antipredator strategy), phylogeny and/or ontogeny in determining both the presence and strength of trophic interactions. Here, we address this question by measuring...

Multi-resistant Enterobacteriaceae in yellow-legged gull chicks in their first weeks of life

Patrick Durand
Wild animal species living in anthropogenic areas are commonly carriers of antimicrobial resistant bacteria (AMRB), but their role in the epidemiology of these bacteria is unclear. Several studies on AMRB in wildlife have been cross-sectional in design and sampled individual animals at only one point in time. To further understand the role of wildlife in maintaining and potentially transmitting these bacteria to humans and livestock, longitudinal studies are needed in which samples are collected from...

Searching for genetic evidence of demographic decline in an arctic seabird: beware of overlapping generations

Emeline Charbonnel, Claire Daguin, Lucille Caradec, Eléonore Moittié, Olivier Gilg, Maria Gavrilo, Hallvard Strom, Mark L Mallory, Grant Gilchrist, R. I. Guy Morrisson, Raphael Leblois, Camille Roux, Jonathan M Yearsley, Glenn Yannic & Thomas Broquet
Genetic data are useful for detecting sudden population declines in species that are difficult to study in the field. Yet this indirect approach has its own drawbacks, including population structure, mutation patterns, and generation overlap. The ivory gull (Pagophila eburnea), a long-lived Arctic seabird, is currently suffering from rapid alteration of its primary habitat (i.e., sea ice), and dramatic climatic events affecting reproduction and recruitment. However, ivory gulls live in remote areas, and it is...

Data from: Looking for compensation at multiple scales in a wetland bird community

Frédéric Barraquand, Coralie Picoche, Christelle Aluome, Laure Carassou & Claude Feigné
Compensatory dynamics, during which community composition shifts despite a near-constant total community size, are usually rare: synchronous dynamics prevail in natural communities. This is a puzzle for ecologists, because of the key role of compensation in explaining the relation between biodiversity and ecosystem functioning. However, most studies so far have considered compensation in either plants or planktonic organisms, so that evidence for the generality of such synchrony is limited. Here, we extend analyses of community-level...

Data from: Giant coral reef fishes display markedly different susceptibility to night spearfishing

Alan R. Pearse, Richard J. Hamilton, John Howard Choat, John Pita, Glenn Almany, Nate Peterson, Grant S. Hamilton & Erin E. Peterson
The humphead wrasse (Cheilinus undulatus) and bumphead parrotfish (Bolbometopon muricatum) are two of the largest, most iconic fishes of Indo-Pacific coral reefs. Both species form prized components of subsistence and commercial fisheries and are vulnerable to overfishing. C. undulatus is listed as Endangered and B. muricatum as Vulnerable on the IUCN Red List of Threatened Species. We investigated how night spearfishing pressure and habitat associations affected both species in a relatively lightly exploited setting; the...

Data from: Arthropod distribution in a tropical rainforest: tackling a four dimensional puzzle

Yves Basset, Lukas Cizek, Philippe Cuénoud, Raphael K. Didham, Vojtech Novotny, Frode Ødegaard, Tomas Roslin, Alexey K. Tishechkin, Jürgen Schmidl, Neville N. Winchester, David W. Roubik, Henri-Pierre Aberlenc, Johannes Bail, Héctor Barrios, Jonathan R. Bridle, Gabriela Castaño-Meneses, Bruno Corbara, Gianfranco Curletti, Wesley Duarte Da Rocha, Domir De Bakker, Jacques H.C. Delabie, Alain Dejean, Laura L. Fagan, Andreas Floren, Roger L. Kitching … & Jacques H. C. Delabie
Quantifying the spatio-temporal distribution of arthropods in tropical rainforests represents a first step towards scrutinizing the global distribution of biodiversity on Earth. To date most studies have focused on narrow taxonomic groups or lack a design that allows partitioning of the components of diversity. Here, we consider an exceptionally large dataset (113,952 individuals representing 5,858 species), obtained from the San Lorenzo forest in Panama, where the phylogenetic breadth of arthropod taxa was surveyed using 14...

Data from: Social learning and the replication process: an experimental investigation

Maxime Derex, Romain Feron, Bernard Godelle & Michel Raymond
Human cultural traits typically result from a gradual process that has been described as analogous to biological evolution. This observation has led pioneering scholars to draw inspiration from population genetics to develop a rigorous and successful theoretical framework of cultural evolution. Social learning, the mechanism allowing information to be transmitted between individuals, has thus been described as a simple replication mechanism. Although useful, the extent to which this idealization appropriately describes the actual social learning...

Data from: Patterns of MHC-dependent mate selection in humans and non-human primates: a meta-analysis

Jamie Winternitz, Jessica Abbate, Elise Huchard, Jan Havlíček & Laszlo Z. Garamszegi
Genes of the major histocompatibility complex (MHC) in vertebrates are integral for effective adaptive immune response and are associated with sexual selection. Evidence from a range of vertebrates supports MHC-based preference for diverse and dissimilar mating partners, but evidence from human mate choice studies has been disparate and controversial. Methodologies and sampling peculiarities specific to human studies make it difficult to know whether wide discrepancies in results among human populations are real or artefact. To...

Data from: Fine-scale genetic structure reflects sex-specific dispersal strategies in a population of sociable weavers (Philetairus socius)

René E. Van Dijk, Rita Covas, Claire Doutrelant, Claire N. Spottiswoode & Ben J. Hatchwell
Dispersal is a critical driver of gene flow, with important consequences for population genetic structure, social interactions and other biological processes. Limited dispersal may result in kin-structured populations in which kin selection may operate, but it may also increase the risk of kin competition and inbreeding. Here, we use a combination of long-term field data and molecular genetics to examine dispersal patterns and their consequences for the population genetics of a highly social bird, the...

Data from: Patterns and processes of dispersal behaviour in arvicoline rodents

Jean-François Le Galliard, Alice Rémy, Rolf A. Ims & Xavier Lambin
A good understanding of mammalian societies requires measuring patterns and comprehending processes of dispersal in each sex. We investigated dispersal behaviour in arvicoline rodents, a sub-family of mammals widespread in northern temperate environments and characterised by a multivoltine life cycle. In arvicoline rodents, variation in life history strategies occurs along a continuum from precocial to delayed maturation that reflects seasonal and ecological fluctuations. We compared dispersal across and within species focusing on the effects of...

Data from: Migratory divides and their consequences for dispersal, population size and parasite-host interactions

Anders P. Møller, Laszlo Z. Garamszegi, Juan M Peralta-Sánchez & Juan J. Soler
Populations of migratory birds differ in their direction of migration with neighboring populations often migrating in divergent directions separated by migratory divides. A total of 26% of 103 passerine bird species in Europe had migratory divides that were located disproportionately often along a longitudinal gradient in Central Europe, consistent with the assumption of a Quaternary glacial origin of such divides in the Iberian and Balkan peninsulas followed by re-colonization. Given that studies have shown significant...

Data from: Investigation of the geographic scale of adaptive phenological variation and its underlying genetics in Arabidopsis thaliana

Benjamin Brachi, Romain Villoutreix, Nathalie Faure, Nina-Coralie Hautekèete, Yves Piquot, Maxime Pauwels, Dominique Roby, Joel Cuguen, Joy Bergelson & Fabrice Roux
Despite the increasing number of genomic tools, identifying the genetics underlying adaptive complex traits remains challenging in the model species Arabidopsis thaliana. This is due, at least in part, to the lack of data on the geographical scale of adaptive phenotypic variation. The aims of this study were (i) to tease apart the historical roles of adaptive and nonselective processes in shaping phenological variation in A. thaliana in France and (ii) to gain insights into...

Data from: Transcriptome response of the foundation plant Spartina alterniflora to the Deepwater Horizon oil spill

Mariano F Alvarez, Julie Ferreira De Carvalho, Armel Salmon, Malika L. Ainouche, Armand Cavé-Radet, Abdelhak El Amrani, Tammy E. Foster, Sydney Moyer, Christina L. Richards & Mariano Alvarez
Despite the severe impacts of the Deepwater Horizon oil spill, the foundation plant species Spartina alterniflora proved resilient to heavy oiling, providing an opportunity to identify mechanisms of response to the anthropogenic stress of crude oil exposure. We assessed plants from oil affected and unaffected populations using a custom DNA microarray to identify genome-wide transcription patterns and gene expression networks that respond to crude oil exposure. Additionally, we used T-DNA insertion lines of the model...

Data from: To breed or not to breed: endocrine response to mercury contamination by an Arctic seabird

Sabrina Tartu, Aurélie Goutte, Paco Bustamante, Frédéric Angelier, Børge Moe, Céline Clément-Chastel, Claus Bech, Geir Wing Gabrielsen, Jan Ove Bustnes & Olivier Chastel
Mercury, a ubiquitous toxic element, is known to alter expression of sex steroids and to impair reproduction across vertebrates but the mechanisms underlying these effects are not clearly identified. We examined whether contamination by mercury predicts the probability to skip reproduction in black-legged kittiwakes (Rissa tridactyla) from Svalbard. We also manipulated the endocrine system to investigate the mechanism underlying this relationship. During the pre-laying period, we injected exogenous GnRH (gonadotropin-releasing hormone) to test the ability...

Data from: Species delimitation and phylogeny in the genus Nasutitermes (Termitidae: Nasutitermitinae) in French Guiana

Virginie Roy, Reginaldo Constantino, Vincent Chassany, Stephanie Giusti-Miller, Michel Diouf, Philippe Mora & Myriam Harry
Species delimitation and identification can be arduous for taxa whose morphologic characters are easily confused, which can hamper global biodiversity assessments and pest species management. Exploratory methods of species delimitation that use DNA sequence as their primary information source to establish group membership and estimate putative species boundaries are useful approaches, complementary to traditional taxonomy. Termites of the genus Nasutitermes make interesting models for the application of such methods. They are dominant in Neotropical primary...

Data from: Assessing the distribution of disease-bearing rodents in human-modified tropical landscapes

Serge Morand, Frédéric Bordes, Kim Blasdell, Shai Pilosof, Jean-François Cornu, Kittipong Chaisiri, Yannick Chaval, Jean-François Cosson, Julien Claude, Tristan Feyfant, Vincent Herbreteau, Stéphane Dupuy & Annelise Tran
1. We tested how habitat structure and fragmentation affect the spatial distribution of common murine rodents inhabiting human-dominated landscapes in southeast Asia. The spatial distribution patterns observed for each rodent species were then used to assess how changes in habitat structure may potentially affect the risk of several major rodent-borne diseases. 2. For this analysis, we used an extensive geo-referenced database containing details of rodents trapped from seven sites in Thailand, Cambodia and Lao PDR....

Data from: Heterozygote advantage at MHC DRB may influence response to infectious disease epizootics

Amy J. Osborne, John Pearson, Sandra S. Negro, B. Louise Chilvers, Martin A. Kennedy & Neil J. Gemmell
The effect of MHC polymorphism on individual fitness variation in the wild remains equivocal; however, much evidence suggests that heterozygote advantage is a major determinant. To understand the contribution of MHC polymorphism to individual disease resistance or susceptibility in natural populations, we investigated two MHC class II B loci, DQB and DRB, in the New Zealand sea lion (NZSL, Phocarctos hookeri). The NZSL is a threatened species which is unusually susceptible to death by bacterial...

Data from: Multicollinearity in spatial genetics: separating the wheat from the chaff using commonality analyses

Jerome G. Prunier, Marc Colyn, Kim F. Nimon, Xavier Legendre & Marie Christine Flamand
Direct gradient analyses in spatial genetics provide unique opportunities to describe the inherent complexity of genetic variation in wildlife species and are the object of many methodological developments. However, multicollinearity among explanatory variables are a systemic issue in multivariate regression analyses and are likely to cause serious difficulties in properly interpreting results of direct gradient analyses, with the risk of erroneous conclusions, misdirected research and inefficient or counter-productive conservation measures. Using simulated datasets along with...

Data from: Quantitative genetics of migration syndromes: a study of two barn swallow populations

Celine Teplitsky, Nissrine G Mouawad, Javier Balbontín, Florentino De Lope & Anders P Møller
Migration is a complex trait although little is known about genetic correlations between traits involved in such migration syndromes. To assess migratory responses to climate change, we need information on genetic constraints on evolutionary potential of arrival dates in migratory birds. Using two long term data sets on barn swallows Hirundo rustica (from Spain and Denmark), we show for the first time in wild populations that spring arrival dates are phenotypically and genetically correlated with...

Data from: Testing for independence between evolutionary processes

Abdelkader Behdenna, Joël Pothier, Sophie S. Abby, Amaury Lambert & Guillaume Achaz
Evolutionary events co-occurring along phylogenetic trees usually point to complex adaptive phenomena, sometimes implicating epistasis. While a number of methods have been developed to account for co-occurrence of events on the same internal or external branch of an evolutionary tree, there is a need to account for the larger diversity of possible relative positions of events in a tree. Here we propose a method to quantify to what extent two or more evolutionary events are...

Data from: Effects of interspecific coexistence on laying date and clutch size in two closely related species of hole‐nesting birds

Anders Pape Møller, Javier Balbontin, André A. Dhondt, Vladimir Remeš, Frank Adriaensen, Clotilde Biard, Jordi Camprodon, Mariusz Cichoń, Blandine Doligez, Anna Dubiec, Marcel Eens, Tapio Eeva, Anne E. Goodenough, Andrew G. Gosler, Lars Gustafsson, Philipp Heeb, Shelley A. Hinsley, Staffan Jacob, Rimvydas Juškaitis, Toni Laaksonen, Bernard Leclercq, Bruno Massa, Tomasz D. Mazgajski, Rudi G. Nager, Jan-Åke Nilsson … & Ruedi G. Nager
Coexistence between great tits Parus major and blue tits Cyanistes caeruleus, but also other hole‐nesting taxa, constitutes a classic example of species co‐occurrence resulting in potential interference and exploitation competition for food and for breeding and roosting sites. However, the spatial and temporal variations in coexistence and its consequences for competition remain poorly understood. We used an extensive database on reproduction in nest boxes by great and blue tits based on 87 study plots across...

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