138 Works

Data from: Agriculture shapes the trophic niche of a bat preying on multiple pest arthropods across Europe: evidence from DNA metabarcoding

Ostaizka Aizpurua, Ivana Budinski, Panagiotis Georgiakakis, Shyam Gopalakrishnan, Carlos Ibáñez, Vanessa Mata, Hugo Rebelo, Danilo Russo, Farkas Szodoray-Parádi, Violeta Zhelyazkova, Vida Zrncic, M. Thomas P. Gilbert & Antton Alberdi
The interaction between agricultural production and wildlife can shape, and even condition, the functioning of both systems. In this study we i) explored the degree to which a widespread European bat, namely the common bent-wing bat Miniopterus schreibersii, consumes crop-damaging insects at a continental scale, and ii) tested whether its dietary niche is shaped by the extension and type of agricultural fields. We employed a dual-primer DNA metabarcoding approach to characterise arthropod 16S and COI...

Data from: A combined field survey and molecular identification protocol for comparing forest arthropod biodiversity across spatial scales

Brent C. Emerson, Juliane Casquet, Heriberto López, Pedro Cardoso, Paulo A. V. Borges, Noémy Mollaret, Pedro Oromí, Dominique Strasberg & Christophe Thébaud
Obtaining fundamental biodiversity metrics such as alpha, beta and gamma diversity for arthropods is often complicated by a lack of prior taxonomic information and/or taxonomic expertise, which can result in unreliable morphologically based estimates. We provide a set of standardized ecological and molecular sampling protocols that can be employed by researchers whose taxonomic skills may be limited, and where there may be a lack of robust a priori information regarding the regional pool of species....

Data from: IKey+: a new single-access key generation web service

Thomas Burguiere, Florian Causse, Visotheary Ung & Régine Vignes-Lebbe
Single-access keys are a major tool for biologists who need to identify specimens. The construction process of these keys is particularly complex (especially if the input dataset is large) so having an automatic single-access key generation tool is essential. As part of the European project ViBRANT, our aim was to develop such a tool as a web service, thus allowing end-users to integrate it directly into their workflow. IKey+generates single-access keys on demand, for single...

Data from: Genetic variation and population structure in the endangered Hermann’s tortoise: the roles of geography and human-mediated processes

Melanie Perez, Barbara Livoreil, Sara Mantovani, Marie-Catherine Boisselier, Barbara Crestanello, Jawad Abdelkrim, Céline Bonillo, Vassilis Goutner, Josie Lambourdière, Massimo Pierpaoli, Bogoljub Sterijovski, Ljiljana Tomovic, Sibelle Vilaca, Stefano Mazzotti & Giorgio Bertorelle
The Hermanni’s tortoise (Testudo hermanni) is an endangered land tortoise distributed in disjoint populations across Mediterranean Europe. We investigated its genetic variation by typing one mitochondrial locus and nine nuclear microsatellites in approximately 300 individuals from 22 localities. Our goal was to understand the relative impact of natural and human-mediated processes in shaping the genetic structure, and to identify the genetic priorities for the conservation of this species. We found that i) all geographic areas...

Data from: Habitat diversity associated with island size and environmental filtering control the species richness of rock-savanna plants in neotropical inselbergs

Ludovic Henneron, Corinne Sarthou, Jean-Christophe De Massary & Jean-François Ponge
Disentangling the multiple factors controlling species diversity is a major challenge in ecology. Island biogeography and environmental filtering are two influential theories emphasizing respectively island size and isolation, and the abiotic environment, as key drivers of species richness. However, few attempts have been made to quantify their relative importance and investigate their mechanistic basis. Here, we applied structural equation modelling, a powerful method allowing test of complex hypotheses involving multiple and indirect effects, on an...

Unexpected morphological diversity in ancient dogs compared to modern relatives

Colline Brassard, Adrian Bălășescu, Rose-Marie Arbogast, Vianney Forest, Céline Bemilli, Adina Boroneant, Fabien Convertini, Muriel Gandelin, Valentin Radu, Patricia Fleming, Claude Guintard, Tracey Kreplins, Cécile Callou, Andréa Filippo, Anne Tresset, Raphaël Cornette, Anthony Herrel & Stéphanie BREHARD
Dogs are among the most variable species today, but little is known about the morphological variability in the early phases of their history. The Neolithic transition to farming may have resulted in an early morphological diversification as a result of changes in the anthropic environment or intentional selection on specific morphologies. Here, we explore the variability and modularity in mandible form by comparing 525 dog mandibles from European archaeological sites ranging from 8,100 to 3,000...

FragSAD: A database of diversity and species abundance distributions from habitat fragments

Jonathan M. Chase, Mario Liebergesell, Alban Sagouis, Felix May, Shane A. Blowes, Åke Berg, Enrico Bernard, Berry J. Brosi, Marc W. Cadotte, Luis Cayuela, Adriano G. Chiarello, Jean-François Cosson, Will Cresswell, Filibus Danjuma Dami, Jens Dauber, Christopher R. Dickman, Raphael K. Didham, David P. Edwards, Fabio Z. Farneda, Yoni Gavish, Thiago Gonçalves-Souza, Demetrio Luis Guadagnin, Mickaël Henry, Adrià López-Baucells, Heike Kappes … & Yaron Ziv
Habitat destruction is the single greatest anthropogenic threat to biodiversity. Decades of research on this issue have led to the accumulation of hundreds of data sets comparing species assemblages in larger, intact, habitats to smaller, more fragmented, habitats. Despite this, little synthesis or consensus has been achieved, primarily because of non‐standardized sampling methodology and analyses of notoriously scale‐dependent response variables (i.e., species richness). To be able to compare and contrast the results of habitat fragmentation...

Data from: Evolution of wing shape in hornets: why is the wing venation efficient for species identification?

Adrien Perrard, Michel Baylac, James M. Carpenter & Claire Villemant
Wing venation has long been used for insect identification. Lately, the characterization of venation shape using geometric morphometrics has further improved the potential of using the wing for insect identification. However, external factors inducing variation in wing shape could obscure specific differences, preventing accurate discrimination of species in heterogeneous samples. Here, we show that interspecific difference is the main source of wing shape variation within social wasps. We found that a naive clustering of wing...

The Burgess Shale paleocommunity with new insights from Marble Canyon, British Columbia

Karma Nanglu, Jean-Bernard Caron & Robert Gaines
The middle (Wuliuan Stage) Cambrian Burgess Shale is famous for its exceptional preservation of diverse and abundant soft-bodied animals through the “thick” Stephen Formation. However, with the exception of the Walcott Quarry (Fossil Ridge) and the stratigraphically older Tulip Beds (Mount Stephen) which are both in Yoho National Park (British Columbia), quantitative assessments of the Burgess Shale have remained limited. Here we first provide a detailed quantitative overview of the diversity and structure of the...

Data from: One panel to rule them all: DArTcap genotyping for population structure, historical demography, and kinship analyses, and its application to a threatened shark

Pierre Feutry, Floriaan Devloo-Delva, Adrien Tran Lu Y, Stefano Mona, Rasanthi Gunasekera, Grant Johnson, Richard Pillans, Damian Jaccoud, Andrzej Kilian, David Morgan, Thor Saunders, Nicholas Bax & Peter Kyne
With recent advances in sequencing technology, genomic data are changing how important conservation management decisions are made. Applications such as Close-Kin Mark-Recapture demand large amounts of data to estimate population size and structure, and their full potential can only be realised through ongoing improvements in genotyping strategies. Here we introduce DArTcap, a cost-efficient method that combines DArTseq and sequence capture, and illustrate its use in a high resolution population analysis of Glyphis garricki, a rare,...

Contribution of genetic versus plastic responses to adaptive patterns in a widespread butterfly along a latitudinal cline

Franziska Günter, Michaël Beaulieu, Kasimir F. Freiberg, Ines Welzel, Nia Toshkova, Žagar, Tatjana Simčič & Klaus Fischer
Understanding how organisms adapt to complex environments is a central goal of evolutionary biology and ecology. This issue is of special interest in the current era of rapidly changing climatic conditions. Here, we investigate clinal variation and plastic responses in life history, morphology, and physiology in the butterfly Pieris napi along a pan-European gradient by exposing butterflies raised in captivity to different temperatures. We found clinal variation in body size, growth rates and concomitant development...

Host identity and symbiotic association affects the genetic and taxonomic diversity of the clownfish-hosting sea anemone microbiome

Benjamin Titus, Robert Laroche, Estafania Rodriguez, Herman Wirshing & Christopher Meyer
All eukaryotic life engages in symbioses with a diverse community of bacteria that are essential for performing basic life functions. In many cases, eukaryotic organisms form additional symbioses with other macroscopic eukaryotes. The tightly-linked physical interactions that characterize many macroscopic symbioses creates opportunities for microbial transfer, which likely affects the diversity and function of individual microbiomes, and may ultimately lead to microbiome convergence between distantly related taxa. Here, we sequence the microbiomes of five species...

Data from: Heritability and genetic correlations of personality, life history, and morphology in the grey mouse lemur (M. murinus)

Pauline Zablocki-Thomas, Anthony Herrel, Caitlin Karanewsky, Fabienne Aujard & Emmanuelle Pouydebat
The recent interest in animal personality has sparked a number of studies on the heritability of personality traits. Yet, how the sources variance these traits can be decomposed remains unclear. Moreover, whether genetic correlations with life-history traits, personality traits and other phenotypic traits exist as predicted by the pace-of-life syndrome hypothesis remains poorly understood. Our aim was to compare the heritability of personality, life-history, and morphological traits and their potential genetic correlations in a small...

Data from: Elevational filtering and the evolution of planthoppers (Hemiptera, Fulgoromorpha) in Papua New Guinea

Chatelain Paul, Le Cesne Maxime, Elias Marianne, Guilbert Eric & Soulier-Perkins Adeline.
Along elevational gradients, phylogenetic relatedness patterns constitute a considerable source of information, and may shed light on ecological processes that structure communities. This study focuses on community phylogenetic structure of planthoppers, specifically the species-rich and abundant Fulgoromorpha families (Hemiptera, Auchenorrhyncha), Cixiidae and Derbidae+Achilidae, along an elevational gradient on Mount Wilhelm (Papua New Guinea). In order to assess the factors driving planthoppers community composition, we recorded abundance data for planthoppers species at each elevation and we...

Data from: Landscape composition and life-history traits influence bat movement and space use: analysis of 30 years of published telemetry data

Alexis Laforge, Frederic Archaux, Aurélie Coulon, Clélia Sirami, Jérémy Froidevaux, Nicolas Gouix, Sylvie Ladet, Hilaire Martin, Kévin Barré, Fabien Claireau, Christian Kerbiriou, Charlotte Roemer & Luc Barbaro
Aim: Animal movement determines home range patterns, which in turn affect individual fitness, population dynamics and ecosystem functioning. Using temperate bats, a group of particular conservation concern, we investigated how morphological traits, habitat specialization and environmental variables affect home range sizes and daily foraging movements, using a compilation of 30 years of published bat telemetry data. Location: Northern America and Europe. Time period: 1988 – 2016. Major taxa studied: Bats. Methods: We compiled data on...

Beyond the landscape: resistance modelling infers physical and behavioural gene flow barriers to a mobile carnivore across a metropolitan area

Sophia Kimmig, Joscha Beninde, Myriam Brandt, Anna Schleimer, Stephanie Kramer-Schadt, Heribert Hofer, Konstantin Börner, Christoph Schulze, Ulrich Wittstatt, Mike Heddergott, Tania Halczok, Christoph Staubach & Alain Frantz
Urbanization affects key aspects of wildlife ecology. Dispersal in urban wildlife species may be impacted by geographical barriers but also by a species’ inherent behavioural variability. There are no functional connectivity analyses using continuous individual-based sampling across an urban-rural continuum that would allow a thorough assessment of the relative importance of physical and behavioural dispersal barriers. We used 16 microsatellite loci to genotype 374 red foxes (Vulpes vulpes) from the city of Berlin and surrounding...

Biogeographic barriers, Pleistocene refugia, and climatic gradients in the southeastern Nearctic drive diversification in corn snakes (Pantherophis guttatus complex)

Edward Myers, Alexander McKelvy & Frank Burbrink
The southeastern Nearctic is a biodiversity hotspot that is also rich in cryptic species. This richness can be explained by numerous hypotheses affecting divergence, which include biogeographic barriers, adaptation to climatic gradients across this region, and Pleistocene speciation in glacial refugia. However, previous phylogeographic studies have both supported and refuted these hypotheses. Therefore, while one or more of these hypotheses may explain diversification, it is likely that taxa are forming within this region in species-specific...

Data from: A new small, mesorostrine inioid (Cetacea, Odontoceti, Delphinida) from four late Miocene localities of the Pisco Basin, Peru

Olivier Lambert, Alberto Collareta, Aldo Benites-Palomino, Claudio Di Celma, Christian De Muizon, Mario Urbina & Giovanni Bianucci
The moderately rich past diversity of the superfamily Inioidea (Cetacea, Odontoceti) in both the Atlantic and Pacific oceans contrasts with the present survival of a single genus (Inia, Amazon river dolphin, family Iniidae) in freshwater deposits of South America and of a single species (Pontoporia blainvillei, Franciscana, family Pontoporiidae) along the eastern coast of that continent. However, part of the late Miocene to Pliocene inioid fossil record is made of relatively fragmentarily known species, for...

Eye size and investment in frogs and toads correlate with adult habitat, activity pattern and breeding ecology

Kate N. Thomas, David J. Gower, Rayna C. Bell, Matthew K. Fujita, Ryan K. Schott & Jeffrey W. Streicher
Frogs and toads (Amphibia: Anura) display diverse ecologies and behaviours, which are often correlated with visual capacity in other vertebrates. Additionally, anurans exhibit a broad range of relative eye sizes, which have not previously been linked to ecological factors in this group. We measured relative investment in eye size and corneal size for 220 species of anurans representing all 55 currently recognized families and tested whether they were correlated with six natural history traits hypothesized...

The impact of paleoclimatic changes on body size evolution in marine fishes

Emily Troyer, Ricardo Betancur-R, Lily Hughes, Mark Westneat, Giorgio Carnevale, William White, John Pogonoski, James Tyler, Carole Baldwin, Guillermo Ortí, Julien Clavel, Dahiana Arcila & Andrew Brinkworth
Body size is an important species trait, correlating with lifespan, fecundity, and other ecological factors. Over Earth’s geological history, climate shifts have occurred, potentially shaping body size evolution in many clades. General rules attempting to summarize body size evolution include Bergmann’s rule, which states that species grow to larger sizes in cooler environments and smaller sizes in warmer environments; and Cope’s rule, which poses that lineages tend to increase in size over evolutionary time. Tetraodontiform...

Data from: Synchronized shift of oral, fecal and urinary microbiotas in bats and natural infection dynamics during seasonal reproduction

Muriel Dietrich, Teresa Kearney, Ernest C.J. Seamark, Janusz T. Paweska & Wanda Markotter
Seasonal reproduction is a period of extreme physiological and behavioral changes, yet we know little about how it may affect host microbial communities (i.e. microbiota) and pathogen transmission. Here, we investigated shifts of the bacterial microbiota in saliva, urine and faeces during the seasonal reproduction of bats in South Africa, and test for an interaction in shedding patterns of both bacterial (Leptospira) and viral (adeno- and herpes-viruses) agents. Based on a comparative approach in two...

Data from: Rapid mobilization of abdominal fat in migrating eared grebes

Lorian Cobra Straker, & Joseph R. Jehl
Eared grebes Podiceps nigricollis, like shorebirds and other long-distance migrants, lay down large amounts of fat to power their journeys. To investigate the pattern of how fat and soft tissue might be mobilized, we used grebes killed in migration and applied computed tomography to reconstruct how stores in the chest, thorax, and abdomen were reduced as body weight decreased. Fat and soft tissue were each mobilized at a constant rate through the entire migration. Fat...

Data from: Are species’ responses to global change predicted by past niche evolution?

Sébastien Lavergne, Margaret E. K. Evans, Ian J. Burfield, Frederic Jiguet & Wilfried Thuiller
Predicting how and when adaptive evolution might rescue species from global change, and integrating this process into tools of biodiversity forecasting, has now become an urgent task. Here we explored whether recent population trends of species can be explained by their past rate of niche evolution, which can be inferred from increasingly available phylogenetic and niche data. We examined the assemblage of 409 European bird species for which estimates of demographic trends between 1970 and...

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: 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...

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