133 Works

Maternal diet affects juvenile Carpetan rock lizard performance and personality

Gergely Horváth, Gonzalo Rodríguez-Ruiz, José Martín, Pilar López & Gábor Herczeg
Differences in both stable and labile state variables are known to affect the emergence and maintenance of consistent inter-individual behavioural variation (animal personality or behavioural syndrome), especially when experienced early in life. Variation in environmental conditions experienced by gestating mothers (viz. non-genetic maternal effects) are known to have significant impact on offspring condition and behaviour, yet, their effect on behavioural consistency is not clear. Here, by applying an orthogonal experimental design, we aimed to study...

Pervasive admixture and the spread of a large-lipped form in a cichlid fish radiation

Will Sowersby, José Cerca, Bob Wong, Topi Lehtonen, David Chapple, Mariana Leal-Cardin, Marta Barluenga & Mark Ravinet
Adaptive radiations have proven important for understanding the mechanisms and processes underlying biological diversity. The convergence of form and function, as well as admixture and adaptive introgression, are common in adaptive radiations. However, distinguishing between these two scenarios remains a challenge for evolutionary research. The Midas cichlid species complex (Amphilophus spp.) is a prime example of adaptive radiation, with phenotypic diversification occurring at various stages of genetic differentiation. One species, A. labiatus, has large fleshy...

Dispersal syndromes are poorly associated with climatic niche differences in the Azorean seed plants

María Leo, Manuel J. Steinbauer, Paulo A. V. Borges, Eduardo B. De Azevedo, Rosalina Gabriel, Hanno Schaefer & Ana M. C. Santos
Aim: Environmental niche tracking is linked to the species ability to disperse. While well investigated on large spatial scales, dispersal constraints also influence small-scale processes and may explain the difference between the potential and the realized niche of species at small-scales. Here we test whether niche size and niche fill differ systematically according to dispersal syndrome within isolated oceanic islands. We expect species with higher dispersal abilities (anemochorous or endozoochorous) will have a higher niche...

Data from: Fine-tuning biodiversity assessments: A framework to pair eDNA metabarcoding and morphological approaches

Cátia Lúcio Pereira, M. Thomas P. Gilbert, Miguel Bastos Araújo & Miguel Graça Matias
Accurate quantification of biodiversity can be demanding and expensive. Although environmental DNA (eDNA) metabarcoding can facilitate biodiversity assessments through non-invasive, cost-efficient, and rapid surveys, the approach struggles to outperform traditional morphological approaches in providing reliable quantitative estimates for surveyed species (e.g., abundance and biomass). We present an integrated methodology for improving biodiversity surveys that pairs eDNA metabarcoding with morphological data, following a series of taxonomic and geographic filters. We demonstrate its power by applying it...

Data from: Experimental design in phylogenetics: testing predictions from expected information

Diego San Mauro, David J. Gower, James A. Cotton, Rafael Zardoya, Mark Wilkinson & Tim Massingham
Taxon and character sampling is central to phylogenetic experimental design yet we lack general rules. Goldman introduced a method to construct efficient sampling designs in phylogenetics, based on the calculation of expected Fisher information given a probabilistic model of sequence evolution. The considerable potential of this approach remains largely unexplored. In an earlier study, we applied Goldman’s method to a problem in the phylogenetics of caecilian amphibians and made an a priori evaluation and testable...

Data from: The ecological and genetic basis of convergent thick-lipped phenotypes in cichlid fishes

Marco Colombo, Eveline T. Diepeveen, Moritz Muschick, M. Emilia Santos, Adrian Indermaur, Nicolas Boileau, Marta Barluenga & Walter Salzburger
The evolution of convergent phenotypes is one of the most interesting outcomes of replicate adaptive radiations. Remarkable cases of convergence involve the thick-lipped phenotype found across cichlid species flocks in the East African Great Lakes. Unlike most other convergent forms in cichlids, which are restricted to East Africa, the thick-lipped phenotype also occurs elsewhere, e.g. in the Central American Midas Cichlid assemblage. Here we use an ecological genomic approach to study the function, the evolution...

Data from: Individual genetic diversity and probability of infection by avian malaria parasites in blue tits (Cyanistes caeruleus)

Esperanza S. Ferrer, Vicente García-Navas, Juan Jose Sanz & Joaquin Ortego
Understanding the importance of host genetic diversity for coping with parasites and infectious diseases is a long-standing goal in evolutionary biology. Here, we study the association between probability of infection by avian malaria (Plasmodium relictum) and individual genetic diversity in three blue tit (Cyanistes caeruleus) populations that strongly differ in prevalence of this parasite. For this purpose, we screened avian malaria infections and genotyped 789 blue tits across 26 microsatellite markers. We used two different...

Data from: Microhabitat selection in the common lizard: implications of biotic interactions, age, sex, local processes, and model transferability among populations

Miguel Peñalver-Alcázar, Pedro Aragón, Merel C. Breedveld & Patrick S. Fitze
Modeling species' habitat requirements are crucial to assess impacts of global change, for conservation efforts and to test mechanisms driving species presence. While the influence of abiotic factors has been widely examined, the importance of biotic factors and biotic interactions, and the potential implications of local processes are not well understood. Testing their importance requires additional knowledge and analyses at local habitat scale. Here, we recorded the locations of species presence at the microhabitat scale...

Data from: Sexual and natural selection in the evolution of extended phenotypes: the use of green nesting material in starlings

Juan G. Rubalcaba, Vicente Polo, Rafael Maia, Dustin R. Rubenstein & José P. Veiga
Although sexual selection is typically considered the predominant force driving the evolution of ritualized sexual behaviors, natural selection may also play an important and often underappreciated role. The use of green aromatic plants among nesting birds has been interpreted as a component of extended phenotype that evolved either via natural selection due to potential sanitary functions, or via sexual selection as a signal of male attractiveness. Here we compared both hypotheses using comparative methods in...

Data from: Environmental constraints and call evolution in torrent dwelling frogs

Sandra Goutte, Alain Dubois, Samuel David Howard, Rafael Marquez, Jodi J. Rowley, J. Maximilian Dehling, Philippe Grandcolas, Xiong Rongchuan, Frédéric Legendre & Jodi J. L. Rowley
While acoustic signals are important for communication in many taxa, signal propagation is affected by environmental properties. Strong environmental constraints should drive call evolution, favoring signals with greater transmission distance and content integrity in a given calling habitat. Yet, few empirical studies have verified this prediction, possibly due to a shortcoming in habitat characterization, which is often too broad. Here we assess the potential impact of environmental constraints on the evolution of advertisement call in...

Data from: Climate forcing of an emerging pathogenic fungus across a montane multi-host community

Frances C. Clare, Julia B. Halder, Olivia Daniel, Jon Bielby, Mikhail A. Semenov, Thibaut Jombart, Adeline Loyau, Dirk S. Schmeller, Andrew A. Cunningham, Marcus Rowcliffe, Trenton W.J. Garner, Jaime Bosch & Matthew C. Fisher
Changes in the timings of seasonality as a result of anthropogenic climate change are predicted to occur over the coming decades. While this is expected to have widespread impacts on the dynamics of infectious disease through environmental forcing, empirical data are lacking. Here, we investigated whether seasonality, specifically the timing of spring ice-thaw, affected susceptibility to infection by the emerging pathogenic fungus Batrachochytrium dendrobatidis (Bd) across a montane community of amphibians that are suffering declines...

Data from: Cumulative frequency-dependent selective episodes allow for rapid morph cycles and rock-paper-scissors dynamics in species with overlapping generations

Luis M. San-Jose, Miguel Peñalver-Alcázar, Borja Milá, Virginia Gonzalez-Jimena, Patrick S. Fitze, B. Mila & M. Penalver-Alcazar
Rock-paper-scissors (RPS) dynamics, which maintain genetic polymorphisms over time through negative frequency-dependent (FD) selection, can evolve in short-lived species with no generational overlap, where they produce rapid morph frequency cycles. However, most species have overlapping generations and thus, rapid RPS dynamics are thought to require stronger FD selection, the existence of which yet needs to be proved. Here, we experimentally demonstrate that two cumulative selective episodes, FD sexual selection reinforced by FD selection on offspring...

Data from: New species of Karydomys (Rodentia) from the Miocene of Chios Island (Greece) and phylogenetic relationships of this rare democricetodontine genus

Raquel López Antoñanzas, Pablo Peláez-Campomanes, Jêrome Prieto & Fabien Knoll
Karydomys is a rare and little diversified democricetodontine, of which only six species are currently recognized. This group of rodents is first recorded in the early Miocene (MN3) in China and spread quickly thereafter to Kazakhstan and Greece (MN4). Karydomys reached south‐western and central Europe by early middle Miocene times (MN5), from where it became extinct shortly thereafter (MN6). A new species of Karydomys is here described from the Miocene Keramia Formation of Chios Island...

Data from: Phylogeography, historical demography, and habitat suitability modelling of freshwater fishes inhabiting seasonally fluctuating Mediterranean river systems: a case study using the Iberian cyprinid Squalius valentinus

Silvia Perea & Ignacio Doadrio
The Mediterranean freshwater fish fauna has evolved under constraints imposed by the seasonal weather/hydrological patterns that define the Mediterranean climate. These conditions have influenced the genetic and demographic structure of aquatic communities since their origins in the Mid-Pliocene. Freshwater species in Mediterranean-type climates will likely constitute genetically well-differentiated populations, to varying extents depending on basin size, as a consequence of fragmentation resulting from drought/flood cycles. We developed an integrative framework to study the spatial patterns...

Data from: Context-dependent effects of yolk androgens on nestling growth and immune function in a multibrooded passerine

Jaime Muriel, Pablo Salmón, Angel Nunez-Buiza, Felipe De Salas, Lorenzo Pérez-Rodríguez, Marisa Puerta & Diego Gil
Female birds may adjust their offspring phenotype to the specific requirements of the environment by differential allocation of physiologically active substances into yolks, such as androgens. Yolk androgens have been shown to accelerate embryonic development, growth rate and competitive ability of nestlings, but they can also entail immunological costs. The balance between costs and benefits of androgen allocation is expected to depend on nestling environment. We tested this hypothesis in a multibrooded passerine, the spotless...

Data from: Molecular phylogenetics of Gobioidei and phylogenetic placement of European gobies

Ainhoa Agorreta, Diego San Mauro, Ulrich Schliewen, James L. Van Tassell, Marcelo Kovačić, Rafael Zardoya & Lukas Rüber
Gobioidei is one of the largest suborders of teleost fishes, with nearly 2000 extant species currently recognized. They have a worldwide distribution and show a spectacular variety in morphology, ecology, and behavior. Despite their importance, phylogenetic relationships among many groups of gobioids (including some of the major lineages) still remain poorly understood. In this study, we analyze sequence data of five molecular markers (two mitochondrial and three nuclear) averaging 6000 bp for 222 species of...

Data from: Sexual selection, feather wear, and time constraints on the pre-basic molt explain the acquisition of the pre-alternate molt in European passerines

José J. Cuervo, Judith Morales, Juan J. Soler & Juan Moreno
Avian feathers need to be replaced periodically to fulfill their functions, with natural, social, and sexual selection presumably driving the evolution of molting strategies. In temperate birds, a common pattern is to molt feathers immediately after the breeding season, the pre-basic molt. However, some species undergo another molt in winter-spring, the pre-alternate molt. Using a sample of 188 European passerine species, Bayesian phylogenetic mixed models, and correlated evolution analyses, we tested whether the occurrence of...

Global potential invasion maps of traded birds under climate and land-cover change

Babak Naimi, César Capinha, Joana Ribeiro, Carsten Rahbek, Diederik Strubbe, Luís Reino & Miguel Araujo
Biological invasions rank among the top five threatening factors affecting biodiversity, but ongoing changes in climate and land cover might exacerbate risks. We used species distribution models for 609 traded bird species on the CITES list to examine the combined effects of projected climate change and land-cover change worldwide on the potential range expansion of bird species with commercial value as pets. The maps of potential invasion (may be inferred as the invasion risk) have...

A phylogenomic backbone for gastropod molluscs

Juan E. Uribe, Juan Uribe, Vanessa González, Iker Irisarri, Yasunori Kano, David Herbert, Ellen Strong & Myroslaw Harasewych
Gastropods have survived several mass extinctions during their evolutionary history resulting in extraordinary diversity in morphology, ecology, and developmental modes, which complicate the reconstruction of a robust phylogeny. Currently, gastropods are divided into six subclasses: Caenogastropoda, Heterobranchia, Neomphaliones, Neritimorpha, Patellogastropoda, and Vetigastropoda. Phylogenetic relationships among these taxa historically lack consensus, despite numerous efforts using morphological and molecular information. We generated sequence data for transcriptomes derived from twelve taxa belonging to clades with little or no...

Vastly underestimated radiation of Amazonian salamanders (Plethodontidae: Bolitoglossa) and implications about plethodontid diversification

Andres Felipe Jaramillo, Ignacio De La Riva, Juan M. Guayasamin, Juan C. Chaparro, Giussepe Gagliardi-Urrutia, Roberto Gutierrez, Isabela Brcko, Carles Vila & Santiago Castroviejo-Fisher
We present data showing that the number of salamander species in Amazonia is vastly underestimated. We used DNA sequences of up to five genes (3 mitochondrial and 2 nuclear) of 366 specimens, 189 corresponding to 89 non-Amazonian nominal species and 177 Amazonian specimens, including types or topotypes, of eight of the nine recognized species in the region. By including representatives of all known species of Amazonian Bolitoglossa, except for one, and 73 % of the...

Local versus broad scale environmental drivers of continental beta diversity patterns in subterranean spider communities across Europe

Stefano Mammola, Pedro Cardoso, Dorottya Angyal, Gergely Balázs, Theo Blick, Hervé Brustel, Julian Carter, Srećko Ćurčić, Samuel Danflous, László Dányi, Sylvain Déjean, Christo Deltshev, Mert Elverici, Jon Fernandez Perez, Fulvio Gasparo, Marjan Komnenov, Christian Komposch, Ľubomír Kováč, Kadir Kuntz, Andrej Mock, Oana Moldovan, Maria Naumova, Martina Pavlek, Carlos Prieto, Carles Ribera … & Marco Isaia
Macroecologists seek to identify drivers of community turnover (β-diversity) through broad spatial scales. Yet, the influence of local habitat features in driving broad-scale β-diversity patterns remains largely untested, due to the objective challenges of associating local-scale variables to continental-framed datasets. We examined the relative contribution of local- versus broad-scale drivers of continental β-diversity patterns, using a uniquely suited dataset of cave-dwelling spider communities across Europe (35–70° latitude). Generalized dissimilarity modeling showed that geographical distance, mean...

Experimentally impaired female condition does not affect biliverdin-based egg colour

Stefania D'Arpa, Iraida Redondo, Eduardo Gómez-Llanos, Diego Gil & Lorenzo Pérez-Rodríguez
It has been proposed that blue-green egg coloration is a condition-dependent female sexual trait that may modify paternal care in a post-mating sexual selection scenario. This pattern may arise because the pigment responsible for eggshell colouration (biliverdin) may be a costly and limited resource, whose availability is linked to female health state. Thus, it can be predicted that females whose condition is compromised should be constrained in their capacity to deposit biliverdin in the eggshell,...

Improved nutritional status may promote an \"asset protection\" reproductive strategy in male rock lizards

Gonzalo Rodriguez-Ruiz, Jesus Ortega, Pilar Lopez, Alfredo Salvador & Jose Martin
Investing in the current reproduction requires diverting energy resources from other metabolic functions, which may compromise future reproduction and lifespan. To solve this trade-off, an individual may consider its labile state to decide how much to invest in current reproduction. We tested experimentally whether the "state quality" of male rock lizards influences their reproductive strategies. To improve the nutritional status of males before the mating season, we captured and supplemented experimental males (N = 20)...

Bayesian morphological clock versus parsimony: An insight into the relationships and dispersal events of postvacuum Cricetidae (Rodentia, Mammalia)

Raquel López-Antoñanzas & Pablo Peláez-Campomanes
Establishing an evolutionary timescale is fundamental for tackling a great variety of topics in evolutionary biology, including the reconstruction of patterns of historical biogeography, coevolution and diversification. However, the tree of life is pruned by extinction and very generally molecular data cannot be gathered for extinct lineages. Methodological challenges have prevented until recently the application of tip-dating Bayesian approaches in morphology-based fossil-only datasets. Herein we present a morphological dataset for a group of cricetid rodents...

Rapid and repeated divergence of animal chemical signals in an island introduction experiment

Colin Donihue, Anthony Herrel, José Martín, Johannes Foufopoulos, Panayiotis Pafilis & Simon Baeckens
Studies of animal communication have documented myriad rapid, context-dependent changes in visual and acoustic signal design. In contrast, relatively little is known about the capacity of vertebrate chemical signals to rapidly respond, either plastically or deterministically, to changes in context. Four years following an experimental introduction of lizards to replicate experimental islets, we aimed to determine if chemical signal design of the experimental populations differed from that of the source population. In 2014, we translocated...

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