133 Works

Data from: Comparative landscape genetics of pond-breeding amphibians in Mediterranean temporal wetlands: the positive role of structural heterogeneity in promoting gene flow

Jorge Gutiérrez-Rodríguez, Joao Gonçalves, Emilio Civantos & Iñigo Martínez-Solano
Comparative landscape genetics studies can provide key information to implement cost-effective conservation measures favoring a broad set of taxa. These studies are scarce, particularly in Mediterranean areas, which include diverse but threatened biological communities. Here we focus on Mediterranean wetlands in central Iberia and perform a multi-level, comparative study of two endemic pond-breeding amphibians, a salamander (Pleurodeles waltl) and a toad (Pelobates cultripes). We genotyped 411 salamanders from 20 populations and 306 toads from 16...

Data from: Patterns and biases in climate change research on amphibians and reptiles: a systematic review

Maiken Winter, Wolfgang Fiedler, Wesley M. Hochachka, Arnulf Koehncke, Shai Meiri & Ignacio De La Riva
Climate change probably has severe impacts on animal populations, but demonstrating a causal link can be difficult because of potential influences by additional factors. Assessing global impacts of climate change effects may also be hampered by narrow taxonomic and geographical research foci. We review studies on the effects of climate change on populations of amphibians and reptiles to assess climate change effects and potential biases associated with the body of work that has been conducted...

Data from: Joint effects of habitat, zooplankton, host stage structure and diversity on amphibian chytrid

Jessica L. Hite, Jaime Bosch, Saioa Fernández-Beaskoetxea, Daniel Medina & Spencer R. Hall
Why does the severity of parasite infection differ dramatically across habitats? This question remains challenging to answer because multiple correlated pathways drive disease. Here, we examined habitat–disease links through direct effects on parasites and indirect effects on parasite predators (zooplankton), host diversity and key life stages of hosts. We used a case study of amphibian hosts and the chytrid fungus, Batrachochytrium dendrobatidis, in a set of permanent and ephemeral alpine ponds. A field experiment showed...

Data from: Major histocompatability complex variation in insular populations of the Egyptian vulture: inferences about the roles of genetic drift and selection

Rosa Agudo, Miguel Alcaide, Ciro Rico, Jesus Angel Lemus, Guillermo Blanco, Fernando Hiraldo & Jose Antonio Donázar
Insular populations have attracted the attention of evolutionary biologists because of their morphological and ecological peculiarities with respect to their mainland counterparts. Founder effects and genetic drift are known to distribute neutral genetic variability in these demes. However, elucidating whether these evolutionary forces have also shaped adaptive variation is crucial to evaluate the real impact of reduced genetic variation in small populations. Genes of the Major Histocompatibility Complex (MHC) are classical examples of evolutionarily relevant...

Data from: Routine habitat switching alters the likelihood and persistence of infection with a pathogenic parasite

David R. Daversa, Andrea Manica, Jaime Bosch, Jolle W. Jolles & Trenton W. J. Garner
1.Animals switch habitats on a regular basis, and when habitats vary in suitability for parasitism, routine habitat switching alters the frequency of parasite exposure and may affect post-infection parasite proliferation. However, the effects of routine habitat switching on infection dynamics are not well understood. 2.We performed infection experiments, behavioural observations, and field surveillance to evaluate how routine habitat switching by adult alpine newts (Ichthyosaura alpestris) influences infection dynamics of the pathogenic parasite, Batrachochytrium dendrobatidis (Bd)....

Data from: Molecular phylogeny and biogeography of Malagasy frogs of the genus Gephyromantis

Nathalie Kaffenberger, Katharina C. Wollenberg, Jörn Köhler, Frank Glaw, David R. Vieites & Miguel Vences
The genus Gephyromantis is a clade within the Malagasy–Comoroan family Mantellidae composed of rainforest frogs that live and breed to varying degrees independently from water. Based on DNA sequences of five mitochondrial and five nuclear genes we inferred the phylogeny of these frogs with full taxon coverage at the species level. Our preferred consensus tree from a partitioned Bayesian analysis of 5843 base pairs of 51 nominal and candidate species supports various major clades within...

Data from: Bayesian analysis of hybridization and introgression between the endangered european mink (Mustela lutreola) and the polecat (Mustela putorius)

Maria Teresa Cabria, Johan R Michaux, Benjamín J Gómez-Moliner, Dimitry Skumatov, Tiit Maran, Pascal Fournier, Javier López De Luzuriaga & Rafael Zardoya
Human-mediated global change will probably increase the rates of natural hybridization and genetic introgression between closely related species, and this will have major implications for conservation of the taxa involved. In this study, we analyse both mitochondrial and nuclear data to characterize ongoing hybridization and genetic introgression between two sympatric sister species of mustelids, the endangered European mink (Mustela lutreola) and the more abundant polecat (M. putorius). A total of 317 European mink, 114 polecats...

Data from: Speciation in mountain refugia: phylogeography and demographic history of the pine siskin and black-capped siskin complex

Sofía Alvarez, Jessie F. Salter, John E. McCormack & Borja Milá
Following Pleistocene glacial maxima, species that adapted to temperate climates in low-latitude refugia had to modify their ranges as climate changed, expanding either latitudinally towards the poles, or altitudinally to higher elevations in mountainous regions. Within just a few thousand years, populations taking alternative routes during interglacials became isolated from each other and subjected to different selection pressures, often leading to lineage divergence and speciation. The pine siskin Spinus pinus is a common and widespread...

Data from: Semi-permeable species boundaries in Iberian barbels (Barbus and Luciobarbus, Cyprinidae)

Hugo F. Gante, Ignacio Doadrio, Maria Judite Alves & Thomas E. Dowling
Background: The evolution of species boundaries and the relative impact of selection and gene flow on genomic divergence are best studied in populations and species pairs exhibiting various levels of divergence along the speciation continuum. We studied species boundaries in Iberian barbels, Barbus and Luciobarbus, a system of populations and species spanning a wide degree of genetic relatedness, as well as geographic distribution and range overlap. We jointly analyze multiple types of molecular markers and...

Data from: Physical and ecological isolation contribute to maintain genetic differentiation between fire salamander subspecies

Bernardo Antunes, Guillermo Velo-Antón, David Buckley, Ricardo J. Pereira & Iñigo Martínez-Solano
Landscape features shape patterns of gene flow among populations, ultimately determining where taxa lay along the continuum between panmixia to complete reproductive isolation. Gene flow can be restricted leading to population differentiation in two non-exclusive ways: “physical isolation”, in which geographic distance in combination with the landscape features restricts movement of individuals promoting genetic drift, and “ecological isolation”, in which adaptive mechanisms constrain gene flow between different environments via divergent natural selection. In central Iberia,...

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...

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)...

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...

Data from: A parapithecid stem anthropoid of African origin in the Paleogene of South America

Erik Seiffert, Marcelo Tejedor, John Fleagle, Nelson Novo, Fanny Cornejo, Mariano Bond, Dorien De Vries & Kenneth Campbell
Phylogenetic evidence suggests that platyrrhine (or New World) monkeys and caviomorph rodents of the Western Hemisphere derive from source groups from the Eocene of Afro-Arabia, a landmass that was ~1500 to 2000 kilometers east of South America during the late Paleogene. Here, we report evidence for a third mammalian lineage of African origin in the Paleogene of South America—a newly discovered genus and species of parapithecid anthropoid primate from Santa Rosa in Amazonian Perú. Bayesian...

Data from: Differential divergence in autosomes and sex chromosomes is associated with intra-island diversification at a very small spatial scale in a songbird lineage

Yann Bourgeois, Joris Bertrand, Boris Delahaie, Helene Holota, Christophe Thebaud & Borja Mila
Recently diverged taxa showing marked phenotypic and ecological diversity are optimal systems to understand the genetic processes underlying speciation. We used genome-wide markers to investigate the diversification of the Reunion grey white eye (Zosterops borbonicus) on the small volcanic island of Reunion (Mascarene archipelago), where this species complex exhibits four geographic forms that are parapatrically distributed across the island and differ strikingly in plumage colour. One form restricted to the highlands is separated by a...

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...

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,...

Data from: Oxidative stress experienced during early development influences the offspring phenotype

Ana Angela Romero Haro & Carlos Alonso-Alvarez
Oxidative stress (OS) experienced early in life can affect an individual’s phenotype. However, its consequences for the next generation remain largely unexplored. We manipulated the OS level endured by zebra finches (Taeniopygia guttata) during their development by transitorily inhibiting the synthesis of the key antioxidant glutathione (‘early-high-OS’). The offspring of these birds and control parents were cross-fostered at hatching to enlarge or reduce its brood size. Independently of parents’ early-life OS levels, the chicks raised...

Data from: Reversal to air-driven sound production revealed by a molecular phylogeny of tongueless frogs, family Pipidae

Iker Irisarri, Miguel Vences, Diego San Mauro, Frank Glaw & Rafael Zardoya
BACKGROUND: Evolutionary novelties often appear by conferring completely new functions to pre- existing structures or by innovating the mechanism through which a particular function is performed. Sound production plays a central role in the behavior of frogs, which use their calls to delimit territories and attract mates. Therefore, frogs have evolved complex vocal structures capable of producing a wide variety of advertising sounds. It is generally acknowledged that most frogs call by moving an air...

Data from: The influence of landscape configuration and environment on population genetic structure in a sedentary passerine: insights from loci located in different genomic regions

Esperanza S. Ferrer, Vicente García-Navas, Javier Bueno-Enciso, Rafael Barrientos, Eva Serrano-Davies, Conchi Cáliz-Campal, Juan J. Sanz & Joaquín Ortego
The study of the factors structuring genetic variation can help to infer the neutral and adaptive processes shaping the demographic and evolutionary trajectories of natural populations. Here, we analyse the role of isolation-by distance (IBD), isolation-by-resistance (IBR, defined by landscape composition), and isolation by environment (IBE, estimated as habitat and elevation dissimilarity) in structuring genetic variation of 25 blue tit (Cyanistes caeruleus) populations. We typed 1385 individuals at 26 microsatellite loci classified in two groups...

Data from: Phylogeny and biogeography of the Poecilia sphenops species complex (Actinopterygii, Poeciliidae) in Central America

Fernando Alda, Ruth G. Reinar, Ignacio Doadrio, Eldredge Bermingham & Ruth G. Reina
We inferred the phylogenetic relationships among members of the Poecilia sphenops species complex to resolve the colonization process and radiation of this group in Central America. We analyzed 2550 base pairs (bp) of mitocondrial DNA (mtDNA), including ATP synthase 6 and 8, cytochrome oxidase subunit I and NADH dehydrogenase subunit 2 genes, and 906 bp of the nuclear S7 ribosomal protein of 86 ingroup individuals from 61 localities spanning most of its distribution from Mexico...

Data from: Untangling the evolutionary history of a highly polymorphic species: introgressive hybridization and high genetic structure in the desert cichlid fish Herichthys minckleyi

Isabel S. Magalhaes, Claudia Patricia Ornelas-García, Mariana Leal-Cardin, Tania Ramírez & Marta Barluenga
Understanding the origin of biodiversity requires knowledge on the evolutionary processes that drive divergence and speciation, as well as on the processes constraining it. Intraspecific polymorphisms can provide insight into the mechanisms that generate and maintain phenotypic, behavioural and life history diversification, and can help us understand not only the processes that lead to speciation but also the processes that prevent local fixation of morphs. The ‘desert cichlid’ Herichtys minckleyi is a highly polymorphic species...

Data from: The role of immigration and local adaptation on fine-scale genotypic and phenotypic population divergence in a less mobile passerine

Vicente García-Navas, Esperanza S. Ferrer, Juan José Sanz & Joaquín Ortego
Dispersal and local patterns of adaptation play a major role on the ecological and evolutionary trajectory of natural populations. In this study, we employ a combination of genetic (25 microsatellite markers) and field-based information (seven study years) to analyse the impact of immigration and local patterns of adaptation in two nearby (< 7 km) blue tit (Cyanistes caeruleus) populations. We used genetic assignment analyses to identify immigrant individuals and found that dispersal rate is female-biased...

Data from: Population divergence in chemical signals and the potential for premating isolation between islet- and mainland populations of the Skyros wall lizard, (Podarcis gaigeae)

Anna Runemark, Marianne Gabirot & Erik I Svensson
When sexually selected traits diverge due to different local selective environments premating isolation might arise as a correlated response. However, sexually selected traits might also diverge by stochastic forces. Here, we show that odour-based mate preferences and scent composition have diverged between islet- and mainland populations of Skyros wall lizard, Podarcis gaigeae. We quantified the degree of scent-mediated premating isolation between populations. Islet lizards preferred scent from islet lizards, whereas the mainland populations were less...

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