28 Works

Data from: Large-scale fungal diversity assessment in the Andean Yungas forests reveals strong community turnover among forest types along an altitudinal gradient

József Geml, Nicolás Pastor, Lisandro Fernandez, Silvia Pacheco, Tatiana Semenova, Alejandra G. Becerra, Christian Y. Wicaksono, Eduardo R. Nouhra & Tatiana A. Semenova
The Yungas, a system of tropical and subtropical montane forests on the eastern slopes of the Andes, are extremely diverse and severely threatened by anthropogenic pressure and climate change. Previous mycological works focused on macrofungi (e.g., agarics, polypores) and mycorrhizae in Alnus acuminata forests, while fungal diversity in other parts of the Yungas has remained mostly unexplored. We carried out Ion Torrent sequencing of ITS2 rDNA from soil samples taken at 24 sites along the...

Robustness of a meta‐network to alternative habitat loss scenarios

Micaela Santos, Luciano Cagnolo, Tomas Roslin, Emmanuel F. Ruperto, María Laura Bernaschini & Diego P. Vázquez
Studying how habitat loss affects the tolerance of ecological networks to species extinction (i.e. their robustness) is key for our understanding of the influence of human activities on natural ecosystems. With networks typically occurring as local interaction networks interconnected in space (a meta-network), we may ask how the loss of specific habitat fragments affects the overall robustness of the meta-network. To address this question, for an empirical meta-network of plants, herbivores and natural enemies we...

Data from: The roles of geography and environment in divergence within and between two closely related plant species inhabiting an island-like habitat

Artur Maria Wanderley, Isabel Cristina Sobreira Machado, Erton Mendonça De Almeida, Leonardo Pessoa Felix, Leonardo Galetto, Ana Maria Benko-Iseppon, Victoria L. Sork & Artur Maia Wanderley
Aim: In island-like habitats, geographic isolation facilitates population and species divergence by constraining gene flow, while environmental isolation can enhance divergence. We tested the relative contribution of geographic and environmental isolation in genetic and phenotypic divergence within and between two species of the figwort Ameroglossum (Scrophulariaceae) inhabiting spatially isolated habitats, known as inselbergs. Location: Borborema Plateau, north-eastern Brazil. Methods: Multivariate models of redundancy (RDAs) and partial redundancy analyses (pRDAs) were used to partition the geographic...

Data from: Diversity patterns in Upper Cambrian to Lower Ordovician trilobite communities of north-western Argentina

Fernanda Serra, Diego Balseiro & Beatriz G. Waisfeld
The hierarchical structure of biodiversity from a regional scale analysis has received much attention as an alternative approach to unravelling the principal drivers of biodiversification. To better understand the processes that control the diversification of Cambro‐Ordovician trilobite communities from the Argentine Cordillera Oriental, we explore patterns of occupancy and diversity trajectories at the local and regional scales through seven intervals (Furongian, loTr1, upTr1, loTr2, upTr2, Tr3 and Fl2–3), and across an onshore‐offshore profile. Our results...

Data from: A global synthesis of fire effects on pollinators

Lucas M. Carbone, Julia Tavella, Juli Pausas & Ramiro Aguilar
Aim: Understanding fire effects on pollinators is critical in the context of fire regime changes and the global pollination crisis. Through a systematic and quantitative review of the literature we provide the first global assessment of pollinator responses to fire. We hypothesize that pollinators increase after fire and during the early postfire succession stages; however, high fire frequency has the opposite effect, decreasing pollinators. Location: Terrestrial ecosystems, excluding Antarctica. Time period: Data collected from 1973...

Not a melting pot: plant species aggregate in their non-native range

Gisela C. Stotz, James F. Cahill, Jonathan A. Bennett, Cameron N. Carlyle, Edward W. Bork, Diana Askarizadeh, Sandor Bartha, Carl Beierkuhnlein, Bazartseren Boldgiv, Leslie Brown, Marcelo Cabido, Giandiego Campetella, Stefano Chelli, Ofer Cohen, Sandra Díaz, Lucas Enrico, David Ensing, Batdelger Erdenetsetseg, Alessandra Fidelis, Heath W. Garris, Hugh A.L. Henry, Anke Jentsch, Mohammad Hassan Jouri, Kadri Koorem, Peter Manning … & Lauchlan H. Fraser
Aim: Plant species continue to be moved outside of their native range by human activities. Here, we aim at determining whether, once introduced, plants assimilate into native communities, or whether they aggregate, thus forming mosaics of native- and alien-rich communities. Alien species may aggregate in their non-native range due to shared habitat preferences, such as their tendency to establish in high-biomass, species-poor areas. Location: 22 herbaceous grasslands in 14 countries, mainly in the temperate zone....

Data from: The search for Pleiades in trait constellations: functional integration and phenotypic selection in the complex flowers of Morrenia brachystephana (Apocynaceae)

Matias C. Baranzelli, Alicia N. Sérsic & Andrea A. Cocucci
Pollinator-mediated natural selection on single traits, such as corolla tube or spur length, has been well documented. However, flower phenotypes are usually complex, and selection is expected to act on several traits that functionally interact rather than on a single isolated trait. Despite the fact that selection on complex phenotypes is expectedly widespread, multivariate selection modelling on such phenotypes still remains under-explored in plants. Species of the subfamily Asclepiadoideae (Apocynaceae) provide an opportunity to study...

Data from: Land-use intensification effects on functional properties in tropical plant communities

Geovana Carreño-Rocabado, Marielos Peña-Claros, Frans Bongers, Sandra Díaz, Fabien Quétier, José Chuviña & Lourens Poorter
There is consensus that plant diversity and ecosystem processes are negatively affected by land-use intensification (LUI), but, at the same time, there is empirical evidence that a large heterogeneity can be found in the responses. This heterogeneity is especially poorly understood in tropical ecosystems. We evaluated changes in community functional properties across five common land-use types in the wet tropics with different land-use intensity: mature forest, logged forest, secondary forest, agricultural land, and pastureland, located...

Data from: Disentangling the relative importance of species occurrence, abundance and intraspecific variability in community assembly: a trait-based approach at the whole-plant level in Mediterranean forests

Enrique G. De La Riva, Ignacio M. Pérez-Ramos, Ambra Tosto, Carmen M. Navarro-Fernández, Manuel Olmo, Teodoro Marañón & Rafael Villar
Understanding which factors and rules govern the process of assembly in communities constitutes one of the main challenges of plant community ecology. The presence of certain functional strategies along broad environmental gradients can help to understand the patterns observed in community assembly and the filtering mechanisms that take place. We used a trait-based approach, quantifying variations in aboveground (leaf and stem) and belowground (root) functional traits along environmental gradients in Mediterranean forest communities (south Spain)....

Worldwide evidence of a unimodal relationship between productivity and plant species richness

Lauchlan H. Fraser, Jason Pither, Anke Jentsch, Marcelo Sternberg, Martin Zobel, Diana Askarizadeh, Sandor Bartha, Carl Beierkuhnlein, Jonathan A. Bennett, Alex Bittel, Bazartseren Boldgiv, Ilsi I. Boldrini, Edward Bork, Leslie Brown, Marcelo Cabido, James Cahill, Cameron N. Carlyle, Giandiego Campetella, Stefano Chelli, Ofer Cohen, Anna-Maria Csergo, Sandra Diaz, Lucas Enrico, David Ensing, Alessandra Fidelis … & Szilárd Szentes
The search for predictions of species diversity across environmental gradients has challenged ecologists for decades. The humped-back model (HBM) suggests that plant diversity peaks at intermediate productivity; at low productivity few species can tolerate the environmental stresses, and at high productivity a few highly competitive species dominate. Over time the HBM has become increasingly controversial, and recent studies claim to have refuted it. Here, by using data from coordinated surveys conducted throughout grasslands worldwide and...

Data from: Neopterygian phylogeny: the merger assay

Adriana López-Arbarello & Emilia Sferco
The phylogenetic relationships of the recently described genus †Ticinolepis from the Middle Triassic of Monte San Giorgio are explored through cladistic analyses of the so far largest morphological data set for fossil actinopterygians, including representatives of the crown neopterygian clades Halecomorphi, Ginglymodi, and Teleostei, and merging the lists of characters from previously published systematic studies together with newly proposed characters. †Ticinolepis is retrieved as the most basal Ginglymodi and our results support the monophyly of...

El discurso triunfalista sobre la Guerra de Malvinas en la prensa argentina (1982)

Baal Delupi

Dataset for: Short flowers for long tongues: functional specialization in a nocturnal pollination network of an asclepiad in long-tongued hawkmoths (Biotropica)

Felipe W. Amorim, Salvador Marino, Priscila Andre Sanz-Veiga, Jeff Ollerton & Paulo E. Oliveira
Since Darwin, very long and narrow floral tubes have been known to represent the main floral morphological feature for specialized long-tongued hawkmoth pollination. However, specialization may be driven by other contrivances instead of floral tube morphology. Asclepiads are plants with a complex floral morphology where primary hawkmoth pollination had never been described. We detailed here the intricate pollination mechanism of the South American asclepiad Schubertia grandiflora, where functional specialization on long-tongued hawkmoth pollinators occurs despite...

Global patterns of rainfall partitioning by invasive woody plants

Juan Ignacio Whitworth-Hulse, Patricio N. Magliano, Sebastián R. Zeballos, Sebastián Aguiar & Germán Baldi
Aim: Invasive species have the potential to alter hydrological processes by changing the local water balance. However, general patterns of how rainfall is partitioned into interception, throughfall and stemflow for invasive species worldwide have been seldom explored. We (a) describe the percentage of interception, throughfall and stemflow for the invasive woody plant species; (b) analyse the influence of morphological attributes (i.e., life-form, bark roughness, leaf type, leaf phenology and leaf area index) of invasive species...

Data from: Postcranial anatomy of the extinct terrestrial sloth Simomylodon uccasamamensis (Xenarthra: Mylodontidae) from the Pliocene of the Bolivian Altiplano and its evolutionary implications

Alberto Boscaini, Néstor Toledo, Bernardino Mamani Quispe, Rubén Andrade Flores, Marcos Fernández-Monescillo, Laurent Marivaux, Pierre-Olivier Antoine, Philippe Münch, Timothy Gaudin & François Pujos
Extinct terrestrial sloths are common elements of the late Cenozoic South American fossil record. Among them, Mylodontinae species were particularly abundant in the Americas throughout the Pleistocene epoch, and their anatomy is relatively well known. In contrast, less information is available from the Neogene record and particularly from localities at low latitudes, with an additional and considerable bias in favor of craniodental rather than postcranial remains. In this contribution, we provide comparative descriptions of several...

Data from: Female sperm storage mediates postcopulatory costs and benefits of ejaculate anticipatory plasticity in the guppy

Alessandro Devigili, Gabriela Cardozo, Pietro Antonelli & Andrea Pilastro
Males of many species evolved the capability of adjusting their ejaculate phenotype in response to social cues to match the expected mating conditions. When females store sperm for prolonged time, the expected fitness return of plastic adjustments of ejaculate phenotype may depend on the interval between mating and fertilization. While, prolonged female sperm storage (FSS) increases the opportunity for sperm competition, as a consequence of the longer temporal overlapping of ejaculates from several males, it...

Forest cover and proximity decrease herbivory and increase crop yield via enhanced natural enemies in soybean fields

Ezequiel Gonzalez, Doug Landis, Michal Knapp & Graciela Valladares
Non-crop habitats are essential for sustaining biodiversity of beneficial arthropods in agricultural landscapes, which can increase ecosystem services provision and crop yield. However, their effects on specific crop systems are less clear, such as soybean in South America, where the responses of pests and natural enemies to landscape structure have only recently been studied. Here, we analyzed how native forest fragments at local and landscape scales influenced arthropod communities, herbivory, and yield in soybean fields...

Song parameters, repertoire size and song sharing within and across age classes in the saffron finch

Maria Juliana Benitez Saldivar, Carolina Isabel Miño & Viviana Massoni
Birds sing mostly to attract partners or to defend territories or resources. In relation to the first function, song can vary with age if older experienced males signal their quality through their vocal output. Regarding the second function, song can also vary with age if singing behavior helps mediate social interactions through repertoire sharing with neighbors. Here, we investigate whether song parameters change with age, and in which direction, in saffron finches Sicalis flaveola pelzelni,...

Data from: Does functional trait diversity predict aboveground biomass and productivity of tropical forests? Testing three alternative hypotheses

Bryan Finegan, Marielos Peña-Claros, Alexandre De Oliveira, Nataly Ascarrunz, M. Syndonia Bret-Harte, Geovana Carreño-Rocabado, Fernando Casanoves, Sandra Díaz, Paul Eguiguren Velepucha, Fernando Fernandez, Juan Carlos Licona, Leda Lorenzo, Beatriz Salgado Negret, Marcel Vaz & Lourens Poorter
1. Tropical forests are globally important, but it is not clear whether biodiversity enhances carbon storage and sequestration in them. We tested this relationship focusing on components of functional trait biodiversity as predictors. 2. Data are presented for three rain forests in Bolivia, Brazil and Costa Rica. Initial above-ground biomass and biomass increments of survivors, recruits and survivors + recruits (total) were estimated for trees ≥10 cm d.b.h. in 62 and 21 1.0-ha plots, respectively....

Micro and macroclimatic constraints on the activity of a vulnerable tortoise: a mechanistic approach under a thermal niche view

Rafael A. Lara-Resendiz, Donald Miles, Philip Rosen & Barry Sinervo
1. Thermal constraints imposed by the environment limit the activity time of ectotherms and have been a central issue in ecophysiology. Assessing these restrictions is key to determining the vulnerability of species to changing thermal niches and developing conservation strategies. 2. We generate an explicit tortoise model of thermal constraints at both micro and macroclimate scales based on thermophysiology parameters and environmental operative temperatures during a biologically significant period. As a study model, we use...

Data from: Increasing synergistic effects of habitat destruction and hunting on mammals over three decades in the Gran Chaco

Alfredo Romero-Muñoz, Ana Benítez-López, Damaris Zurell, Matthias Baumann, Micaela Camino, Julieta Decarre, Hugo Del Castillo, Anthony Giordano, Bibiana Gómez-Valencia, Christian Levers, Andrew Noss, Veronica Quiroga, Jeffrey Thompson, Ricardo Torres, Marianela Velilla, Andrea Weiler & Tobias Kuemmerle
Habitat destruction and overexploitation are the main threats to biodiversity and where they co-occur, their combined impact is often larger than their individual one. Yet, detailed knowledge of the spatial footprints of these threats is lacking, including where they overlap and how they change over time. These knowledge gaps are real barriers for effective conservation planning. Here, we develop a novel approach to reconstruct the individual and combined footprints of both threats over time. We...

Predator-prey interactions in anurans of the tropical dry forests of the Colombian Caribbean: a functional approach

Argelina Blanco-Torres, Marta Dure, Maria Argenis Bonilla & Luciano Cagnolo
Anuran–prey selection might be mediated by traits, either by mismatches in predator and prey traits (preventing interactions) or by predator selection of prey traits (encouraging interactions). These effect traits could be summarized in two contrasting foraging strategies: “active” and “sit‐and‐wait” foragers. We evaluated whether anurans could be classified into groups of species sharing traits associated with their diet, and what is the relation between particular effect traits of anurans and their prey. We collected anurans...

Geometric morphometrics of endophytic oviposition traces of Odonata (Eocene, Argentina)

Eugenia Romero-Lebrón, Raquel M. Gleiser & Julián F. Petrulevicius
The insertion of the Odonata ovipositor in the plant tissue generates a scar that surrounds the eggs (trace). In insects, individual egg traces are known to vary in size, but their variation in individual shape is mostly unknown. Twenty four specimens were obtained from the Laguna del Hunco (Lower Eocene, Chubut) and Río Pichileufú (Middle Eocene, Río Negro), Argentina, which had 1346 oviposition traces (MEF Collection). For the first time, a study of the shape...

Data from: Intestinal microbiota is influenced by gender and body mass index

Carmen Haro Mariscal, Oriol A. Rangel-Zúñiga, Juan F. Alcalá-Díaz, Francisco Gómez-Delgado, Pablo Pérez-Martinez, Javier Delgado-Lista, Gracia M. Quintana-Navarro, Blanca B. Landa, Juan A. Navas-Cortés, Manuel Tena-Sempere, Jose C. Clemente, José López-Miranda, Francisco Pérez Jiménez, Antonio Camargo, Carmen Haro & Francisco Pérez-Jiménez
Intestinal microbiota changes are associated with the development of obesity. However, studies in humans have generated conflicting results due to high inter-individual heterogeneity in terms of diet, age, and hormonal factors, and the largely unexplored influence of gender. In this work, we aimed to identify differential gut microbiota signatures associated with obesity, as a function of gender and changes in body mass index (BMI). Differences in the bacterial community structure were analyzed by 16S sequencing...

Data from: The evolution of signal-reward correlations in bee and hummingbird-pollinated species of Salvia

Santiago Benitez-Vieyra, Juan Fornoni, Jessica Pérez Alquicira, Karina Boege, César Augusto Domínguez, C. A. Dominguez & J. Perez-Alquicira
Within-individual variation in floral advertising and reward traits is a feature experienced by pollinators that visit different flowers of the same plant. Pollinators can use advertising traits to gather information about the quality and amount of rewards, leading to the evolution of signal–reward correlations. As long as plants differ in the reliability of their signals and pollinators base their foraging decisions on this information, natural selection should act on within-individual correlations between signals and rewards....

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  • National University of Córdoba
  • Sao Paulo State University
  • University of Camerino
  • Islamic Azad University
  • University of Buenos Aires
  • University of Pretoria
  • Free University of Bozen-Bolzano
  • University of Alberta
  • National University of La Plata
  • Thompson Rivers University